Airworthiness Directives; Gulfstream Model GIV-X and GV-SP Series Airplanes, 9436-9439 [06-1595]
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9436
Federal Register / Vol. 71, No. 37 / Friday, February 24, 2006 / Rules and Regulations
Note 1: For the purposes of this AD, a
general visual inspection is: ‘‘A visual
examination of an interior or exterior area,
installation, or assembly to detect obvious
damage, failure, or irregularity. This level of
inspection is made from within touching
distance unless otherwise specified. A mirror
may be necessary to ensure visual access to
all surfaces in the inspection area. This level
of inspection is made under normally
available lighting conditions such as
daylight, hangar lighting, flashlight, or
droplight and may require removal or
opening of access panels or doors. Stands,
ladders, or platforms may be required to gain
proximity to the area being checked.’’
Service Bulletin Exceptions
(h) Although EMBRAER Service Bulletin
145–30–0042, dated April 18, 2005, and
EMBRAER Service Bulletin 145LEG–30–
0012, dated April 18, 2005, specify
contacting the manufacturer if damage to
components for the relay support is found
and also specify returning any relay that fails
an inspection to the airplane manufacturer,
this AD does not include those requirements.
Terminating Modification
(i) Within 6,000 flight hours or 30 months
after the effective date of this AD, whichever
is first: Do the applicable actions specified in
paragraphs (i)(1), (i)(2), and (i)(3) of this AD.
Accomplishing all the applicable actions
specified in this paragraph terminates the
inspections required by paragraph (g) of this
AD.
(1) For all airplanes, replace the directvision windowsill drain hoses having part
number (P/N) 123–15435–401 and –403 with
new, improved hoses having P/N 145–
13044–001 and P/N 145–13047–001, as
applicable, and replace the tiedown straps
with new tiedown straps, in accordance with
Figure 1 of the service bulletin.
(2) For all airplanes, rework the drain hose
having P/N 123–15435–405, in accordance
with Figure 1 of the service bulletin.
(3) For Model EMB–135BJ airplanes,
reroute the drain hoses of the left and right
cockpit horizontal linings, in accordance
with Figure 2 of the service bulletin.
Alternative Methods of Compliance
(AMOCs)
(j)(1) The Manager, International Branch,
ANM–116, Transport Airplane Directorate,
FAA, has the authority to approve AMOCs
for this AD, if requested in accordance with
the procedures found in 14 CFR 39.19.
(2) Before using any AMOC approved in
accordance with § 39.19 on any airplane to
which the AMOC applies, notify the
appropriate principal inspector in the FAA
Flight Standards Certificate Holding District
Office.
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Related Information
(k) Brazilian airworthiness directive 2005–
08–04, effective September 5, 2005, also
addresses the subject of this AD.
Material Incorporated by Reference
(l) You must use the service documents
identified in Table 2 of this AD to perform
the actions that are required by this AD,
unless the AD specifies otherwise. The
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Director of the Federal Register approved the
incorporation by reference of these
documents in accordance with 5 U.S.C.
552(a) and 1 CFR part 51. Contact Empresa
Brasileira de Aeronautica S.A. (EMBRAER),
P.O. Box 343—CEP 12.225, Sao Jose dos
Campos—SP, Brazil, for a copy of this service
information. You may review copies at the
Docket Management Facility, U.S.
Department of Transportation, 400 Seventh
Street SW., room PL–401, Nassif Building,
Washington, DC; on the Internet at https://
dms.dot.gov; or at the National Archives and
Records Administration (NARA). For
information on the availability of this
material at the NARA, call (202) 741–6030,
or go to https://www.archives.gov/
federal_register/code_of_federal_regulations/
ibr_locations.html.
TABLE 2.—MATERIAL INCORPORATED
BY REFERENCE
Embraer Service Bulletin
145–30–0041 ........................
145–30–0042 ........................
145LEG–30–0011 .................
145LEG–30–0012 .................
Date
April
April
April
April
20,
18,
20,
18,
2005.
2005.
2005.
2005.
Issued in Renton, Washington, on February
3, 2006.
Kalene C. Yanamura,
Acting Manager, Transport Airplane
Directorate, Aircraft Certification Service.
[FR Doc. 06–1409 Filed 2–23–06; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2006–23966; Directorate
Identifier 2006–NM–024–AD; Amendment
39–14495; AD 2006–04–13]
RIN 2120–AA64
Airworthiness Directives; Gulfstream
Model GIV–X and GV–SP Series
Airplanes
Federal Aviation
Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule; request for
comments.
AGENCY:
SUMMARY: The FAA is adopting a new
airworthiness directive (AD) for certain
Gulfstream Model GIV–X and GV–SP
series airplanes. This AD requires
revising the Limitations section of the
airplane flight manual by incorporating
new procedures to follow in the event
that the cockpit displays go blank or
malfunction. This AD results from a
report that all four of the cockpit flight
panel display units simultaneously
went blank during flight. We are issuing
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this AD to ensure that the flightcrew is
advised of the appropriate procedures to
follow in the event that the cockpit
displays go blank or malfunction, which
could result in a reduction of the
flightcrew’s situational awareness and
possible loss of control of the airplane.
DATES: This AD becomes effective
March 13, 2006.
The Director of the Federal Register
approved the incorporation by reference
of certain publications listed in the AD
as of March 13, 2006.
We must receive comments on this
AD by April 25, 2006.
ADDRESSES: Use one of the following
addresses to submit comments on this
AD.
• DOT Docket Web site: Go to
https://dms.dot.gov and follow the
instructions for sending your comments
electronically.
• Government-wide rulemaking Web
site: Go to https://www.regulations.gov
and follow the instructions for sending
your comments electronically.
• Mail: Docket Management Facility;
U.S. Department of Transportation, 400
Seventh Street, SW., Nassif Building,
Room PL–401, Washington, DC 20590.
• Fax: (202) 493–2251.
• Hand Delivery: Room PL–401 on
the plaza level of the Nassif Building,
400 Seventh Street, SW., Washington,
DC, between 9 a.m. and 5 p.m., Monday
through Friday, except Federal holidays.
Contact Gulfstream Aerospace
Corporation, Technical Publications
Dept., P.O. Box 2206, Savannah, Georgia
31402–2206, for service information
identified in this AD.
FOR FURTHER INFORMATION CONTACT:
Robert Chupka, Aerospace Engineer,
Systems and Equipment Branch, ACE–
119A, Atlanta Aircraft Certification
Office, FAA, One Crown Center, 1895
Phoenix Boulevard, Suite 450, Atlanta,
Georgia 30349; telephone (770) 703–
6070; fax (770) 703–6097.
SUPPLEMENTARY INFORMATION:
Discussion
We have received a report indicating
that all four of the cockpit flight panel
display units simultaneously went
blank during flight on a Gulfstream
Model GV–SP airplane. The displays
did not recover until the flightcrew
pulled circuit breakers associated with
the displays; subsequently, three of the
four displays returned to normal. Initial
investigation revealed discrepancies
with the reversion logic of the advanced
graphic modules. Similar display
failures occurred during ground test
operations. Such conditions, if not
corrected, could result in a reduction of
the flightcrew’s situational awareness
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Federal Register / Vol. 71, No. 37 / Friday, February 24, 2006 / Rules and Regulations
and possible loss of control of the
airplane.
Relevant Service Information
Gulfstream has issued revisions to the
Limitations section of Gulfstream G350,
G450, G500, and G550 airplane flight
manuals (AFMs), as listed in the table
below:
GULFSTREAM AFM REVISIONS
Affected airplane models
Model
Model
Model
Model
GIV–X ..................................
GIV–X ..................................
GV–SP ................................
GV–SP ................................
Gulfstream
Gulfstream
Gulfstream
Gulfstream
The revisions describe new procedures
to follow in the event that all four
cockpit flight panel display units
simultaneously go blank or malfunction.
The procedures include identifying the
malfunctioning components and taking
appropriate corrective action to return
certain displays to a functional
condition. The procedures also include
weather minimums designed to mitigate
the effects of display blanking events
during takeoff or landing.
FAA’s Determination and Requirements
of This AD
The unsafe condition described
previously is likely to exist or develop
on other airplanes of the same type
design. For this reason, we are issuing
this AD to ensure that the flightcrew is
advised of appropriate procedures to
follow in the event that the cockpit
displays go blank or malfunction, which
could result in a reduction of the
flightcrew’s situational awareness and
possible loss of control of the airplane.
This AD requires revising the AFM to
include the revisions described
previously.
Interim Action
We consider this AD interim action.
The manufacturer is currently
developing a software modification that
will address the unsafe condition
identified in this AD. Once this
modification is developed, approved,
and available, we may consider
additional rulemaking.
FAA’s Determination of the Effective
Date
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Since an unsafe condition exists that
requires the immediate adoption of this
AD, we have found that notice and
opportunity for public comment before
issuing this AD are impracticable, and
that good cause exists to make this AD
effective in less than 30 days.
Comments Invited
This AD is a final rule that involves
requirements that affect flight safety and
was not preceded by notice and an
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Revision
level
AFM
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G350,
G450,
G500,
G550,
GAC–AC–G350–OPS–0001
GAC–AC–G450–OPS–0001
GAC–AC–G500–OPS–0001
GAC–AC–G550–OPS–0001
.....................................
.....................................
.....................................
.....................................
opportunity for public comment;
however, we invite you to submit any
relevant written data, views, or
arguments regarding this AD. Send your
comments to an address listed in the
ADDRESSES section. Include ‘‘Docket No.
FAA–2006–23966; Directorate Identifier
2006–NM–024–AD’’ at the beginning of
your comments. We specifically invite
comments on the overall regulatory,
economic, environmental, and energy
aspects of the AD that might suggest a
need to modify it.
We will post all comments we
receive, without change, to https://
dms.dot.gov, including any personal
information you provide. We will also
post a report summarizing each
substantive verbal contact with FAA
personnel concerning this AD. Using the
search function of that Web site, anyone
can find and read the comments in any
of our dockets, including the name of
the individual who sent the comment
(or signed the comment on behalf of an
association, business, labor union, etc.).
You may review the DOT’s complete
Privacy Act Statement in the Federal
Register published on April 11, 2000
(65 FR 19477–78), or you may visit
https://dms.dot.gov.
Examining the Dockets
You may examine the AD docket on
the Internet at https://dms.dot.gov, or in
person at the Docket Management
Facility office between 9 a.m. and 5
p.m., Monday through Friday, except
Federal holidays. The Docket
Management Facility office (telephone
(800) 647–5227) is located on the plaza
level of the Nassif Building at the DOT
street address stated in the ADDRESSES
section. Comments will be available in
the AD docket shortly after the Docket
Management System receives them.
Authority for This Rulemaking
Title 49 of the United States Code
specifies the FAA’s authority to issue
rules on aviation safety. Subtitle I,
section 106, describes the authority of
the FAA Administrator. Subtitle VII,
Aviation Programs, describes in more
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6
7
13
15
Revision date
January
January
January
January
24,
24,
24,
24,
2006.
2006.
2006.
2006.
detail the scope of the Agency’s
authority.
We are issuing this rulemaking under
the authority described in subtitle VII,
part A, subpart III, section 44701,
‘‘General requirements.’’ Under that
section, Congress charges the FAA with
promoting safe flight of civil aircraft in
air commerce by prescribing regulations
for practices, methods, and procedures
the Administrator finds necessary for
safety in air commerce. This regulation
is within the scope of that authority
because it addresses an unsafe condition
that is likely to exist or develop on
products identified in this rulemaking
action.
Regulatory Findings
We have determined that this AD will
not have federalism implications under
Executive Order 13132. This AD will
not have a substantial direct effect on
the States, on the relationship between
the national government and the States,
or on the distribution of power and
responsibilities among the various
levels of government.
For the reasons discussed above, I
certify that the regulation:
1. Is not a ‘‘significant regulatory
action’’ under Executive Order 12866;
2. Is not a ‘‘significant rule’’ under the
DOT Regulatory Policies and Procedures
(44 FR 11034, February 26, 1979); and
3. Will not have a significant
economic impact, positive or negative,
on a substantial number of small entities
under the criteria of the Regulatory
Flexibility Act.
We prepared a regulatory evaluation
of the estimated costs to comply with
this AD and placed it in the AD docket.
See the ADDRESSES section for a location
to examine the regulatory evaluation.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation
safety, Incorporation by reference,
Safety.
Adoption of the Amendment
Accordingly, under the authority
delegated to me by the Administrator,
I
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Federal Register / Vol. 71, No. 37 / Friday, February 24, 2006 / Rules and Regulations
Effective Date
(a) This AD becomes effective March 13,
2006.
Affected ADs
(b) None.
the FAA amends 14 CFR part 39 as
follows:
PART 39—AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:
I
Compliance
Applicability
(c) This AD applies to Gulfstream Model
GIV–X series airplanes, certificated in any
category; serial numbers 4001 and
subsequent; and Gulfstream Model GV–SP
series airplanes, certificated in any category;
serial numbers 5001 and subsequent; on
which Gulfstream Modification ASC–904 or
production equivalent has been incorporated.
Authority: 49 U.S.C. 106(g), 40113, 44701.
§ 39.13
cockpit displays go blank or malfunction,
which could result in a reduction of the
flightcrew’s situational awareness and
possible loss of control of the airplane.
[Amended]
2. The Federal Aviation
Administration (FAA) amends § 39.13
by adding the following new
airworthiness directive (AD):
I
Unsafe Condition
(d) This AD results from a report that all
four of the cockpit flight panel display units
simultaneously went blank during flight. We
are issuing this AD to ensure that the
flightcrew is advised of the appropriate
procedures to follow in the event that the
2006–04–13 Gulfstream Aerospace
Corporation: Amendment 39–14495.
Docket No. FAA–2006–23966;
Directorate Identifier 2006–NM–024–AD.
(e) You are responsible for having the
actions required by this AD performed within
the compliance times specified, unless the
actions have already been done.
Airplane Flight Manual (AFM) Revision
(f) Within 10 days after the effective date
of this AD, revise the Limitations section of
the Gulfstream G350, G450, G500, and G550
AFMs to include the information in the
applicable revision listed in Table 1 of this
AD. Thereafter, operate the airplane
according to the limitations and procedures
in the applicable revision. Any further
revisions to the AFM must contain the
identical procedures in the Limitations
section of the AFM revisions as required by
this AD.
TABLE 1.—GULFSTREAM AFM REVISIONS
Affected airplane models
Model
Model
Model
Model
Applicable Gulfstream AFM
GIV–X ......................................................
GIV–X ......................................................
GV–SP .....................................................
GV–SP .....................................................
GAC–AC–G350–OPS–0001 as specified in Revision 6, dated January 24, 2006.
GAC–AC–G450–OPS–0001, as specified in Revision 7, dated January 24, 2006.
GAC–AC–G500–OPS–0001, as specified in Revision 13, dated January 24, 2006.
GAC–AC–G550–OPS–0001, as specified in Revision 15, dated January 24, 2006.
Note 1: This may be accomplished by
inserting a copy of the applicable Gulfstream
Revisions listed in Table 1 of this AD into the
applicable AFM.
which the AMOC applies, notify the
appropriate principal inspector in the FAA
Flight Standards Certificate Holding District
Office.
Alternative Methods of Compliance
(AMOCs)
Material Incorporated by Reference
(h) You must use the documents listed in
Table 2 of this AD, as applicable, to perform
the actions that are required by this AD,
unless the AD specifies otherwise. The
Director of the Federal Register approved the
incorporation by reference of these
documents in accordance with 5 U.S.C.
552(a) and 1 CFR part 51. Contact Gulfstream
Aerospace Corporation, Technical
(g)(1) The Manager, Atlanta Aircraft
Certification Office, FAA, has the authority to
approve AMOCs for this AD, if requested in
accordance with the procedures found in 14
CFR 39.19.
(2) Before using any AMOC approved in
accordance with § 39.19 on any airplane to
Publications Dept., P.O. Box 2206, Savannah,
Georgia 31402–2206, for a copy of this
service information. You may review copies
at the Docket Management Facility, U.S.
Department of Transportation, 400 Seventh
Street SW., Room PL–401, Nassif Building,
Washington, DC; on the Internet at https://
dms.dot.gov; or at the National Archives and
Records Administration (NARA). For
information on the availability of this
material at the NARA, call (202) 741–6030,
or go to https://www.archives.gov/
federal_register/code_of_federal_regulations/
ibr_locations.html.
TABLE 2.—MATERIAL INCORPORATED BY REFERENCE
Gulfstream service information
List of effective pages
Gulfstream G350 Airplane Flight Manual, GAC–AC–G350–OPS–0001
Gulfstream G450 Airplane Flight Manual, GAC–AC–G450–OPS–0001
Gulfstream G500 Airplane Flight Manual, GAC–AC–G500–OPS–0001
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Gulfstream G550 Airplane Flight Manual, GAC–AC–G550–OPS–0001
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24FER1
Date
January 24, 2006.
September 23, 2005.
January 6, 2006.
January 24, 2006.
January 6, 2006.
September 21, 2005.
January 24, 2006.
January 6, 2006.
September 23, 2005.
January 24, 2006.
September 9, 2005.
January 6, 2006.
Federal Register / Vol. 71, No. 37 / Friday, February 24, 2006 / Rules and Regulations
Issued in Renton, Washington, on February
14, 2006.
Michael Zielinski,
Acting Manager, Transport Airplane
Directorate, Aircraft Certification Service.
[FR Doc. 06–1595 Filed 2–23–06; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 93
[Docket No. FAA–2001–8690]
RIN 2120–AI71
Delayed Implementation of the
Airspace Modification Final Rule for
the Grand Canyon National Park
Special Flight Rule Area and Flight
Free Zones
Federal Aviation
Administration (FAA), DOT.
ACTION: Final rule.
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AGENCY:
SUMMARY: This action stays the effective
date for the implementation of the
Airspace Modification final rule for the
east end of the Grand Canyon National
Park (GCNP) until February 20, 2011. In
a case decided in August 2002, the U.S.
Court of Appeals for the District of
Columbia Circuit returned the GCNP
rules to the FAA for further
consideration of ways to ensure the
substantial restoration of natural quiet.
After several attempts in resolving the
routes issue in the east end, in February
2003, the FAA stayed the east end
routes and airspace changes until
February 20, 2006. Because of an
ongoing mediation action, which
involves consideration of the routes in
the east end of the GCNP, the FAA finds
it necessary to extend the date for the
effectiveness of the Airspace
Modification rule for the east end until
February 20, 2011.
DATES: The effective date of sections (a)
and (b) of 14 CFR 93.305, stayed until
February 20, 2006 (68 FR 9496,
February 27, 2003), is further stayed
until February 20, 2011. This rule was
originally published at 61 FR 69330 on
December 31, 1996, and amended April
4, 2000.
ADDRESSES: You can get an electronic
copy using the Internet by:
(1) Searching the Department of
Transportation’s electronic Docket
Management System (DMS) Web page
(https://dms.dot.gov/search);
(2) Visiting the FAA’s Regulations and
Policies Web page at https://
www.faa.gov/regulations_policies; or
VerDate Aug<31>2005
18:05 Feb 23, 2006
Jkt 208001
(3) Accessing the Government
Printing Office’s Web page at https://
www.gpoaccess.gov/fr/.
You can also get a copy by sending a
request to the Federal Aviation
Administration, Office of Rulemaking,
ARM–1, 800 Independence Avenue
SW., Washington, DC 20591, or by
calling (202) 267–9680. Make sure to
identify the amendment number or
docket number of this rulemaking.
Anyone is able to search the
electronic form of all comments
received into any of our dockets by the
name of the individual submitting the
comment (or signing the comment, if
submitted on behalf of an association,
business, labor union, etc.). You may
review DOT’s complete Privacy Act
statement in the Federal Register
published on April 11, 2000 (Volume
65, Number 70; Pages 19477–78) or you
may visit https://dms.dot.gov.
FOR FURTHER INFORMATION CONTACT:
Gene Kirkendall, Flight Standards
Service (AFS–200), Federal Aviation
Administration, 800 Independence
Ave., SW., Washington, DC 20591;
Telephone: (202) 267–7701.
SUPPLEMENTARY INFORMATION:
Small Business Regulatory Enforcement
Fairness Act
The Small Business Regulatory
Enforcement Fairness Act (SBREFA) of
1996 requires the FAA to comply with
small entity requests for information or
advice about compliance with statutes
and regulations within its jurisdiction. If
you are a small entity and you have a
question regarding this document, you
may contact your local FAA official, or
the person listed under FOR FURTHER
INFORMATION CONTACT. You can find out
more about SBREFA on the Internet at
https://www.faa.gov/avr/arm/sbrefa.cfm.
Background
On April 4, 2000, the FAA published
two final rules, the Modification of the
Dimensions of the Grand Canyon
National Park Special Flight Rules Area
and Flight Free Zones (Airspace
Modification), and the Commercial Air
Tour Limitation in the Grand Canyon
National Park Special Flight Rules Area
(Commercial Air Tour Limitation). See
65 FR 17736 and 65 FR 17708; April 4,
2000. The FAA also published
concurrently a notice of availability of
Commercial Routes for the Grand
Canyon National Park (Routes Notice).
See 65 FR 17698, April 4, 2000. The
Commercial Air Tour Limitations final
rule was implemented, effective May 4,
2000. The Airspace Modification final
rule and the routes set forth in the
Notice of Availability were scheduled to
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9439
become effective December 1, 2000. The
Final Supplemental Environmental
Assessment for Special Flight Rules in
the Vicinity of Grand Canyon National
Park (SEA) was completed on February
22, 2000, and the Finding of No
Significant Impact was issued on
February 25, 2000.
Following the publication of the final
rules, the United States Air Tour
Association (USATA) and seven air tour
operators petitioned the United States
Court of Appeals for the District of
Columbia Circuit to review the rules.
See USATA v. FAA (Docket No. 00–
1201, May 8, 2000). During the course
of this litigation, the USATA raised new
safety concerns regarding the new
routes in the east end of the GCNP
SFRA. To propose a route that would
meet the goal of noise reduction while
providing a safe air tour route, the FAA
first delayed implementation of the
routes until December 28, 2000
(November 20, 2000; 65 FR 69848).
Subsequently, the FAA delayed the
implementation of the routes until April
1, 2001. (66 FR 2001, January 4, 2001).
Finally, the FAA decided to
implement the modifications to the
route structure of the GCNP SFRA in
two phases. First, on April 19, 2001, the
FAA implemented the routes and
airspace in the west-end (defined as all
areas of the SFRA west of the Dragon
corridor) of the GCNP SFRA. Also, on
April 19, 2001, the SFRA boundary in
the eastern part of the GCNP SFRA over
the Navajo Nation lands was extended
5 miles to the east. Second, the route
structure on the east-end (Dragon
Corridor and all airspace east of that
Corridor) in the GCNP SFRA was stayed
until December 1, 2001, to enable the
FAA and NPS to determine what
changes should be made in the east end
of GCNP. In December 2001, the east
end route structure was again stayed
until February 20, 2003 (66 FR 63293,
December 5, 2001), and in February
2003 the route structure was again
stayed until February 20, 2006. Thus,
the routes now flown remain almost
exactly as that shown under Special
Federal Aviation Regulation (SFAR) 50–
2, with only slight modification to
certain entry and exit points.
On August 20, 2002, the U.S. Court of
Appeals for the District of Columbia
Circuit concluded that the FAA’s use of
an ‘‘average annual day’’ in lieu of ‘‘any
given day,’’ in measuring substantial
restoration of natural quiet at GCNP
‘‘appears inconsistent with both the
[National] Park Service’s definition of
the term and the premise on which that
definition was based.’’ See USATA v.
FAA, 298 F.3d 997, August 16, 2002 (DC
Circuit, 2002). The court also
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]]>Agencies
[Federal Register Volume 71, Number 37 (Friday, February 24, 2006)]
[Rules and Regulations]
[Pages 9436-9439]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 06-1595]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2006-23966; Directorate Identifier 2006-NM-024-AD;
Amendment 39-14495; AD 2006-04-13]
RIN 2120-AA64
Airworthiness Directives; Gulfstream Model GIV-X and GV-SP Series
Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule; request for comments.
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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for
certain Gulfstream Model GIV-X and GV-SP series airplanes. This AD
requires revising the Limitations section of the airplane flight manual
by incorporating new procedures to follow in the event that the cockpit
displays go blank or malfunction. This AD results from a report that
all four of the cockpit flight panel display units simultaneously went
blank during flight. We are issuing this AD to ensure that the
flightcrew is advised of the appropriate procedures to follow in the
event that the cockpit displays go blank or malfunction, which could
result in a reduction of the flightcrew's situational awareness and
possible loss of control of the airplane.
DATES: This AD becomes effective March 13, 2006.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in the AD as of March 13,
2006.
We must receive comments on this AD by April 25, 2006.
ADDRESSES: Use one of the following addresses to submit comments on
this AD.
DOT Docket Web site: Go to https://dms.dot.gov and follow
the instructions for sending your comments electronically.
Government-wide rulemaking Web site: Go to https://
www.regulations.gov and follow the instructions for sending your
comments electronically.
Mail: Docket Management Facility; U.S. Department of
Transportation, 400 Seventh Street, SW., Nassif Building, Room PL-401,
Washington, DC 20590.
Fax: (202) 493-2251.
Hand Delivery: Room PL-401 on the plaza level of the
Nassif Building, 400 Seventh Street, SW., Washington, DC, between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
Contact Gulfstream Aerospace Corporation, Technical Publications
Dept., P.O. Box 2206, Savannah, Georgia 31402-2206, for service
information identified in this AD.
FOR FURTHER INFORMATION CONTACT: Robert Chupka, Aerospace Engineer,
Systems and Equipment Branch, ACE-119A, Atlanta Aircraft Certification
Office, FAA, One Crown Center, 1895 Phoenix Boulevard, Suite 450,
Atlanta, Georgia 30349; telephone (770) 703-6070; fax (770) 703-6097.
SUPPLEMENTARY INFORMATION:
Discussion
We have received a report indicating that all four of the cockpit
flight panel display units simultaneously went blank during flight on a
Gulfstream Model GV-SP airplane. The displays did not recover until the
flightcrew pulled circuit breakers associated with the displays;
subsequently, three of the four displays returned to normal. Initial
investigation revealed discrepancies with the reversion logic of the
advanced graphic modules. Similar display failures occurred during
ground test operations. Such conditions, if not corrected, could result
in a reduction of the flightcrew's situational awareness
[[Page 9437]]
and possible loss of control of the airplane.
Relevant Service Information
Gulfstream has issued revisions to the Limitations section of
Gulfstream G350, G450, G500, and G550 airplane flight manuals (AFMs),
as listed in the table below:
Gulfstream AFM Revisions
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Revision
Affected airplane models AFM level Revision date
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Model GIV-X......................... Gulfstream G350, GAC-AC-G350- 6 January 24, 2006.
OPS-0001.
Model GIV-X......................... Gulfstream G450, GAC-AC-G450- 7 January 24, 2006.
OPS-0001.
Model GV-SP......................... Gulfstream G500, GAC-AC-G500- 13 January 24, 2006.
OPS-0001.
Model GV-SP......................... Gulfstream G550, GAC-AC-G550- 15 January 24, 2006.
OPS-0001.
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The revisions describe new procedures to follow in the event that all
four cockpit flight panel display units simultaneously go blank or
malfunction. The procedures include identifying the malfunctioning
components and taking appropriate corrective action to return certain
displays to a functional condition. The procedures also include weather
minimums designed to mitigate the effects of display blanking events
during takeoff or landing.
FAA's Determination and Requirements of This AD
The unsafe condition described previously is likely to exist or
develop on other airplanes of the same type design. For this reason, we
are issuing this AD to ensure that the flightcrew is advised of
appropriate procedures to follow in the event that the cockpit displays
go blank or malfunction, which could result in a reduction of the
flightcrew's situational awareness and possible loss of control of the
airplane. This AD requires revising the AFM to include the revisions
described previously.
Interim Action
We consider this AD interim action. The manufacturer is currently
developing a software modification that will address the unsafe
condition identified in this AD. Once this modification is developed,
approved, and available, we may consider additional rulemaking.
FAA's Determination of the Effective Date
Since an unsafe condition exists that requires the immediate
adoption of this AD, we have found that notice and opportunity for
public comment before issuing this AD are impracticable, and that good
cause exists to make this AD effective in less than 30 days.
Comments Invited
This AD is a final rule that involves requirements that affect
flight safety and was not preceded by notice and an opportunity for
public comment; however, we invite you to submit any relevant written
data, views, or arguments regarding this AD. Send your comments to an
address listed in the ADDRESSES section. Include ``Docket No. FAA-2006-
23966; Directorate Identifier 2006-NM-024-AD'' at the beginning of your
comments. We specifically invite comments on the overall regulatory,
economic, environmental, and energy aspects of the AD that might
suggest a need to modify it.
We will post all comments we receive, without change, to https://
dms.dot.gov, including any personal information you provide. We will
also post a report summarizing each substantive verbal contact with FAA
personnel concerning this AD. Using the search function of that Web
site, anyone can find and read the comments in any of our dockets,
including the name of the individual who sent the comment (or signed
the comment on behalf of an association, business, labor union, etc.).
You may review the DOT's complete Privacy Act Statement in the Federal
Register published on April 11, 2000 (65 FR 19477-78), or you may visit
https://dms.dot.gov.
Examining the Dockets
You may examine the AD docket on the Internet at https://
dms.dot.gov, or in person at the Docket Management Facility office
between 9 a.m. and 5 p.m., Monday through Friday, except Federal
holidays. The Docket Management Facility office (telephone (800) 647-
5227) is located on the plaza level of the Nassif Building at the DOT
street address stated in the ADDRESSES section. Comments will be
available in the AD docket shortly after the Docket Management System
receives them.
Authority for This Rulemaking
Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. Subtitle VII, Aviation Programs,
describes in more detail the scope of the Agency's authority.
We are issuing this rulemaking under the authority described in
subtitle VII, part A, subpart III, section 44701, ``General
requirements.'' Under that section, Congress charges the FAA with
promoting safe flight of civil aircraft in air commerce by prescribing
regulations for practices, methods, and procedures the Administrator
finds necessary for safety in air commerce. This regulation is within
the scope of that authority because it addresses an unsafe condition
that is likely to exist or develop on products identified in this
rulemaking action.
Regulatory Findings
We have determined that this AD will not have federalism
implications under Executive Order 13132. This AD will not have a
substantial direct effect on the States, on the relationship between
the national government and the States, or on the distribution of power
and responsibilities among the various levels of government.
For the reasons discussed above, I certify that the regulation:
1. Is not a ``significant regulatory action'' under Executive Order
12866;
2. Is not a ``significant rule'' under the DOT Regulatory Policies
and Procedures (44 FR 11034, February 26, 1979); and
3. Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.
We prepared a regulatory evaluation of the estimated costs to
comply with this AD and placed it in the AD docket. See the ADDRESSES
section for a location to examine the regulatory evaluation.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
Adoption of the Amendment
0
Accordingly, under the authority delegated to me by the Administrator,
[[Page 9438]]
the FAA amends 14 CFR part 39 as follows:
PART 39--AIRWORTHINESS DIRECTIVES
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The Federal Aviation Administration (FAA) amends Sec. 39.13 by
adding the following new airworthiness directive (AD):
2006-04-13 Gulfstream Aerospace Corporation: Amendment 39-14495.
Docket No. FAA-2006-23966; Directorate Identifier 2006-NM-024-AD.
Effective Date
(a) This AD becomes effective March 13, 2006.
Affected ADs
(b) None.
Applicability
(c) This AD applies to Gulfstream Model GIV-X series airplanes,
certificated in any category; serial numbers 4001 and subsequent;
and Gulfstream Model GV-SP series airplanes, certificated in any
category; serial numbers 5001 and subsequent; on which Gulfstream
Modification ASC-904 or production equivalent has been incorporated.
Unsafe Condition
(d) This AD results from a report that all four of the cockpit
flight panel display units simultaneously went blank during flight.
We are issuing this AD to ensure that the flightcrew is advised of
the appropriate procedures to follow in the event that the cockpit
displays go blank or malfunction, which could result in a reduction
of the flightcrew's situational awareness and possible loss of
control of the airplane.
Compliance
(e) You are responsible for having the actions required by this
AD performed within the compliance times specified, unless the
actions have already been done.
Airplane Flight Manual (AFM) Revision
(f) Within 10 days after the effective date of this AD, revise
the Limitations section of the Gulfstream G350, G450, G500, and G550
AFMs to include the information in the applicable revision listed in
Table 1 of this AD. Thereafter, operate the airplane according to
the limitations and procedures in the applicable revision. Any
further revisions to the AFM must contain the identical procedures
in the Limitations section of the AFM revisions as required by this
AD.
Table 1.--Gulfstream AFM Revisions
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Affected airplane models Applicable Gulfstream AFM
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Model GIV-X.................. GAC-AC-G350-OPS-0001 as specified in
Revision 6, dated January 24, 2006.
Model GIV-X.................. GAC-AC-G450-OPS-0001, as specified in
Revision 7, dated January 24, 2006.
Model GV-SP.................. GAC-AC-G500-OPS-0001, as specified in
Revision 13, dated January 24, 2006.
Model GV-SP.................. GAC-AC-G550-OPS-0001, as specified in
Revision 15, dated January 24, 2006.
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Note 1: This may be accomplished by inserting a copy of the
applicable Gulfstream Revisions listed in Table 1 of this AD into
the applicable AFM.
Alternative Methods of Compliance (AMOCs)
(g)(1) The Manager, Atlanta Aircraft Certification Office, FAA,
has the authority to approve AMOCs for this AD, if requested in
accordance with the procedures found in 14 CFR 39.19.
(2) Before using any AMOC approved in accordance with Sec.
39.19 on any airplane to which the AMOC applies, notify the
appropriate principal inspector in the FAA Flight Standards
Certificate Holding District Office.
Material Incorporated by Reference
(h) You must use the documents listed in Table 2 of this AD, as
applicable, to perform the actions that are required by this AD,
unless the AD specifies otherwise. The Director of the Federal
Register approved the incorporation by reference of these documents
in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Contact
Gulfstream Aerospace Corporation, Technical Publications Dept., P.O.
Box 2206, Savannah, Georgia 31402-2206, for a copy of this service
information. You may review copies at the Docket Management
Facility, U.S. Department of Transportation, 400 Seventh Street SW.,
Room PL-401, Nassif Building, Washington, DC; on the Internet at
https://dms.dot.gov; or at the National Archives and Records
Administration (NARA). For information on the availability of this
material at the NARA, call (202) 741-6030, or go to https://
www.archives.gov/federal_register/code_of_federal_regulations/
ibr_locations.html.
Table 2.--Material Incorporated by Reference
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List of effective
Gulfstream service information pages Revision level Date
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Gulfstream G350 Airplane Flight Pages A-C........... Revision 6.......... January 24, 2006.
Manual, GAC-AC-G350-OPS-0001. Pages E, G-J........ Revision 3.......... September 23, 2005.
Pages D, F.......... Revision 5.......... January 6, 2006.
Gulfstream G450 Airplane Flight Pages A-C........... Revision 7.......... January 24, 2006.
Manual, GAC-AC-G450-OPS-0001. Pages D, F.......... Revision 6.......... January 6, 2006.
Pages E, G-J........ Revision 4.......... September 21, 2005.
Gulfstream G500 Airplane Flight Pages A-C........... Revision 13......... January 24, 2006.
Manual, GAC-AC-G500-OPS-0001. Pages D, F.......... Revision 11......... January 6, 2006.
Pages E, G, H....... Revision 9.......... September 23, 2005.
Gulfstream G550 Airplane Flight Pages A-C........... Revision 15......... January 24, 2006.
Manual, GAC-AC-G550-OPS-0001. Pages E, G-J........ Revision 11......... September 9, 2005.
Pages D, F.......... Revision 13......... January 6, 2006.
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[[Page 9439]]
Issued in Renton, Washington, on February 14, 2006.
Michael Zielinski,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 06-1595 Filed 2-23-06; 8:45 am]
BILLING CODE 4910-13-P
