Special Conditions: Diamond Aircraft Industries of Canada Model DA-62 Airplanes; Electronic Engine Control System Installation, 49648-49650 [2019-20325]
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49648
Federal Register / Vol. 84, No. 184 / Monday, September 23, 2019 / Rules and Regulations
agencies shall integrate the NEPA
process ‘‘at the earliest possible time to
ensure that planning and decisions
reflect environmental values, to avoid
delays later in the process, and to head
off potential conflicts.’’
RUS Response: The Agency believes
that the proposed timing of the
environmental process is still early
enough in the planning stage to ensure
decisions will reflect environmental
values. Furthermore, the Agency believe
that this process will result in fewer
project delays, and will in fact, expedite
the review process.
Issue 7: Three individuals and fifteen
organizations commented that allowing
rescission of funds if the results of an
environmental review do not ultimately
support to the Agency’s decision to
obligate, does not undo the harm, error,
or fatal bias that has already been
introduced and tainted the process.
Allowing agencies to reconsider and
rescind a decision to obligate funds after
review in no way corrects otherwise
clearly unlawful application of NEPA.
They argue that this approach would
also leave the responsible agency
official in the position of either taking
away funding from an outside entity or
pressuring the environmental review
staff to expedite the process. The most
likely, they argue, is shortchanging the
environmental review process. The
public commenting on such reviews
will understand the initial decision has
already been made, that bias has
irrevocably attached, and that they are
essentially asking the agency to ‘‘redecide’’ the decision to obligate funds.
Making a commitment prematurely may
also cause harm to the applicant
because the commitment may not be
met, pending the outcome of the NEPA
process.
RUS Response: The Agency believes
that it will continue to make unbiased
decisions on its environmental reviews,
and that since 93 percent of reviews are
finished before 10 days, the agency’s
decision-making process will not be
influenced.
Issue 8: Fifteen organizations
commented that the arbitrary time limit
for completion of the environmental
review prior to the end of following
fiscal year after obligation, conflicts
with CEQ regulations that state that
prescribed universal time limit for
entire NEPA process is too inflexible
and should be appropriate to individual
actions. Therefore, they argue, the
proposed time limits would result in
rushed reviews to avoid rescinding
funds.
RUS Response: The Agency does not
believe that the completion deadline for
the environmental review is arbitrary.
VerDate Sep<11>2014
17:37 Sep 20, 2019
Jkt 247001
As mentioned earlier, it was selected as
a time that would give applicants
confidence in going forward with
projects. In addition, the agency would
not rush reviews to avoid rescinding, as
its current rate of processing is already
extremely efficient. Those projects that
would require more time, are already
the result of reviews outside of the
Agency.
List of Subjects in 7 CFR Part 1970
Administrative practice and
procedure, Buildings and facilities,
Environmental impact statements,
Environmental Protection, Grant
programs, Housing, Loan programs,
Natural resources, Utilities.
Accordingly, for reasons set forth in
the preamble, part 1970, title 7, Code of
Federal Regulations is amended as
follows:
PART 1970—ENVIRONMENTAL
POLICIES AND PROCEDURES
1. The authority citation for part 1970
continues to read as follows:
■
Authority: 7 U.S.C. 6941 et seq., 42 U.S.C.
4241 et seq.; 40 CFR parts 1500–1508; 5
U.S.C. 301; 7 U.S.C. 1989; and 42 U.S.C.
1480.
2. In § 1970.11, revise paragraph (b) to
read as follow:
■
§ 1970.11 Timing of the environmental
review process.
*
*
*
*
*
(b) The environmental review process
must be concluded before the obligation
of funds; except for infrastructure
projects where the assurance that funds
will be available for community health,
safety, or economic development has
been determined as necessary by the
Agency Administrator. At the discretion
of the Agency Administrator, funds may
be obligated contingent upon the
conclusion of the environmental review
process prior to any action that would
have an adverse effect on the
environment or limit the choices of any
reasonable alternatives. Funds so
obligated shall be rescinded if the
Agency cannot conclude the
environmental review process before the
end of the fiscal year after the year in
which the funds were obligated, or if the
Agency determines that it cannot
proceed with approval based on
findings in the environmental review
process. For the purposes of this
section, infrastructure projects shall
include projects such as broadband,
telecommunications, electric, energy
efficiency, smart grid, water, sewer,
transportation, and energy capital
investments in physical plant and
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Frm 00014
Fmt 4700
Sfmt 4700
equipment, but not investments
authorized in the Housing Act of 1949.
*
*
*
*
*
Dated: September 16, 2019.
Misty Giles,
Chief of Staff, Rural Development.
Bill Northey,
Under Secretary, Farm Production and
Conservation.
[FR Doc. 2019–20342 Filed 9–20–19; 8:45 am]
BILLING CODE P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 23
[Docket No. FAA–2019–0745; Special
Conditions No. 23–297–SC]
Special Conditions: Diamond Aircraft
Industries of Canada Model DA–62
Airplanes; Electronic Engine Control
System Installation
Federal Aviation
Administration (FAA), DOT.
ACTION: Final special conditions; request
for comments.
AGENCY:
These special conditions are
issued for the Diamond Aircraft
Industries of Canada (DAI Canada)
Model DA–62 airplane. This airplane
will have a novel or unusual design
feature associated with installation of an
engine that includes an electronic
engine control system. The applicable
airworthiness regulations do not contain
adequate or appropriate safety standards
for this design feature. These special
conditions contain the additional safety
standards that the Administrator
considers necessary to establish a level
of safety equivalent to that established
by the existing airworthiness standards.
DATES: The effective date of these
special conditions is September 23,
2019. The FAA must receive your
comments by October 23, 2019.
ADDRESSES: Send comments identified
by docket number FAA–2019–0745
using any of the following methods:
D Federal eRegulations Portal: Go to
https://www.regulations.gov and follow
the online instructions for sending your
comments electronically.
D Mail: Send comments to Docket
Operations, M–30, U.S. Department of
Transportation (DOT), 1200 New Jersey
Avenue SE, Room W12–140, West
Building, Ground Floor, Washington,
DC 20590–0001.
D Hand Delivery of Courier: Take
comments to Docket Operations in
Room W12–140 of the West Building,
SUMMARY:
E:\FR\FM\23SER1.SGM
23SER1
Federal Register / Vol. 84, No. 184 / Monday, September 23, 2019 / Rules and Regulations
Ground Floor at 1200 New Jersey
Avenue SE, Washington, DC, between 9
a.m., and 5 p.m., Monday through
Friday, except Federal holidays.
D Fax: Fax comments to Docket
Operations at 202–493–2251.
Privacy: The FAA will post all
comments it receives, without change,
to https://regulations.gov, including any
personal information the commenter
provides. Using the search function of
the docket website, anyone can find and
read the electronic form of all comments
received into any FAA docket,
including the name of the individual
sending the comment (or signing the
comment for an association, business,
labor union, etc.). DOT’s complete
Privacy Act Statement can be found in
the Federal Register published on April
11, 2000 (65 FR 19477–19478).
Docket: Background documents or
comments received may be read at
https://www.regulations.gov at any time.
Follow the online instructions for
accessing the docket or go to the Docket
Operations in Room W12–140 of the
West Building Ground Floor at 1200
New Jersey Avenue SE, Washington,
DC, between 9 a.m., and 5 p.m., Monday
through Friday, except Federal holidays.
FOR FURTHER INFORMATION CONTACT: Jeff
Pretz, AIR–691, Small Airplane
Standards Branch, Policy & Innovation
Division, Aircraft Certification Service,
Federal Aviation Administration, 901
Locust, Room 301, Kansas City, MO
64106; telephone (816) 329–3239;
facsimile (816) 329–4090.
SUPPLEMENTARY INFORMATION:
jbell on DSK3GLQ082PROD with RULES
Reason for No Prior Notice and
Comment Before Adoption
The FAA has determined, in
accordance with 5 U.S. Code
553(b)(3)(B) and 553(d)(3), that notice
and opportunity for prior public
comment hereon are unnecessary
because substantially identical special
conditions have been subject to the
public comment process in several prior
instances such that the FAA is satisfied
that new comments are unlikely. For the
same reason, the FAA finds that good
cause exists for making these special
conditions effective upon issuance. The
FAA is requesting comments to allow
interested persons to submit views that
may not have been submitted in
response to the prior opportunities for
comment.
Special
conditions
No.
23–253–SC 1
23–267–SC 2
VerDate Sep<11>2014
Company/airplane model
Diamond Aircraft Industries/
Model DA–40NG.
Cirrus Design Corporation/
Model SF50.
16:27 Sep 20, 2019
Jkt 247001
Special
conditions
No.
23–282–SC 3
23–292–SC 4
Company/airplane model
Pilatus Aircraft Ltd./Model
PC–24.
Costruzioni Aeronautiche
Tecnam S.P.A./Model
P2012.
Comments Invited
The FAA invites interested people to
take part in this rulemaking by sending
written comments, data, or views. The
most helpful comments reference a
specific portion of the special
conditions, explain the reason for any
recommended change, and include
supporting data.
The FAA will consider all comments
received on or before the closing date
for comments. The FAA will consider
comments filed late if it is possible to
do so without incurring expense or
delay. The FAA may change these
special conditions based on the
comments received.
Background
On November 16, 2018, DAI Canada
applied for FAA validation for a type
certificate for its new Model DA–62,
which includes installation of an
electronic engine control (EEC)
system—commonly referred to as a full
authority digital engine control
(FADEC). The Model DA–62 is a normal
category, composite, cantilevered lowwing monoplane that seats six
passengers and one pilot. Two Austro
Engine GmbH Model E4P diesel engines
each drive an MT 3 bladed propeller.
The airplane has retractable tricycle
landing gear, a Garmin G1000NXi
avionics suite, and a maximum takeoff
weight of 4,407 pounds.
The FAA type certificated Austro
Engine GmbH Model E4P aircraft diesel
engines (TC No. E00081EN) installed on
the Model DA–62 use an EEC system
instead of a traditional mechanical
control system. Although the EEC is
certificated with the engine, the
installation of an EEC requires
evaluation due to critical environmental
effects and possible effects on or by
other airplane systems such as indirect
effects of lightning, radio interference
with other airplane electronic systems,
1 https://rgl.faa.gov/Regulatory_and_Guidance_
Library/rgSC.nsf/0/1A102658468C62
D386257950004D7183?OpenDocument.
2 https://www.govinfo.gov/app/details/FR-201509-23/2015-24156/summary.
3 https://www.govinfo.gov/app/details/FR-201707-17/2017-14936.
4 https://www.federalregister.gov/documents/
2019/04/26/2019-08476/special-conditionscostruzioni-aeronautiche-tecnam-spa-model-p2012airplane-electronic-engine.
PO 00000
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Fmt 4700
Sfmt 4700
49649
and shared engine, airplane data, and
power sources.
Sections 23.1306, 23.1308, and
23.1309 contain requirements for
evaluating the installation of complex
systems, including electronic systems
and critical environmental effects.
However, the use of EECs for engines
was not envisioned when § 23.1309 was
published. The integral nature of these
systems makes it necessary to ensure
proper evaluation of the airplane
functions, which may be included in the
EEC, and that the installation does not
degrade the EEC reliability approved
under part 33 during engine type
certification. Sections 23.1306(a) and
23.1308(a) apply to the EEC to ensure it
remains equivalent to a mechanical only
system, which is not generally
susceptible to the High Intensity
Radiated Fields (HIRF) and lightning
environments.
In some cases, the airplane in which
the engine is installed determines a
higher classification than the engine
controls are certificated for, requiring
the EEC systems be analyzed at a higher
classification. Since November 2005,
EEC special conditions have mandated
the § 23.1309 classification for loss of
EEC control as catastrophic for any
airplane. This is not to imply an engine
failure is classified as catastrophic, but
that the EEC must provide an equivalent
reliability to mechanical engine
controls. In addition, §§ 23.1141(e) and
25.901(b)(2) provide the fault tolerant
design requirements of turbine engine
mechanical controls to the EEC and
ensure adequate inspection and
maintenance intervals for the EEC.
Part 23 did not envision the use of full
authority EECs and lacks the specific
regulatory requirements necessary to
provide an adequate level of safety.
Therefore, special conditions are
necessary.
Type Certification Basis
Under the provisions of 14 CFR 21.17,
DAI Canada must show that the Model
DA–62 meets the applicable provisions
of 14 CFR part 23, as amended by
amendments 23–1 through 23–62
thereto.
If the Administrator finds that the
applicable airworthiness regulations in
part 23 do not contain adequate or
appropriate safety standards for the
Model DA–62 airplane because of a
novel or unusual design feature, special
conditions are prescribed under the
provisions of § 21.16.
The FAA issues special conditions, as
defined in § 11.19, under § 11.38 and
they become part of the type
certification basis under § 21.17(a)(2).
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Federal Register / Vol. 84, No. 184 / Monday, September 23, 2019 / Rules and Regulations
Special conditions are initially
applicable to the model for which they
are issued. Should the type certificate
for that model be amended later to
include any other model that
incorporates the same novel or unusual
design feature, or should any other
model already included on the same
type certificate be modified to
incorporate the same novel or unusual
design feature, the FAA would apply
these special conditions to the other
model.
In addition to the applicable
airworthiness regulations and special
conditions, the Model DA–62 must
comply with the fuel vent and exhaust
emission requirements of 14 CFR part
34 and the noise certification
requirements of 14 CFR part 36; and the
FAA must issue a finding of regulatory
adequacy under section 611 of Public
Law 92–574, the ‘‘Noise Control Act of
1972.’’
Novel or Unusual Design Features
The Model DA–62 airplane will
incorporate the following novel or
unusual design features: The
installation of an EEC system, which is
the generic family of electrical/
electronic engine control systems to
include full authority digital engine
controls, supervisory controls, and
derivatives of these controls.
Discussion
This airplane makes use of an
electronic engine control system instead
of a traditional mechanical control
system, which is a novel design for this
type of airplane. The applicable
airworthiness regulations do not contain
adequate or appropriate safety standards
for this design feature. Mandating a
structured assessment to determine
potential installation issues mitigate
concerns that the addition of an
electronic engine control does not
produce a failure condition not
previously considered.
jbell on DSK3GLQ082PROD with RULES
Applicability
As discussed above, these special
conditions are applicable to the Model
DA–62 airplane. Should DAI Canada
apply at a later date for a change to the
type certificate to include another
model incorporating the same novel or
unusual design feature, the FAA would
apply these special conditions to that
model as well.
Conclusion
This action affects only a certain
novel or unusual design feature on the
Model DA–62 airplane. It is not a rule
of general applicability and affects only
the applicant who applied to the FAA
VerDate Sep<11>2014
16:27 Sep 20, 2019
Jkt 247001
for approval of these features on the
airplane.
List of Subjects in 14 CFR Part 23
Aircraft, Aviation safety, Signs and
symbols.
Citation
The authority citation for these
special conditions is as follows:
Authority: 49 U.S.C. 106(f), 106(g), 40113,
44701–44702; Pub. L. 113–53, 127 Stat 584
(49 U.S.C. 44704) note.
The Special Conditions
■ Accordingly, pursuant to the
authority delegated to me by the
Administrator, the following special
conditions are issued as part of the type
certification basis for DAI Canada Model
DA–62 airplanes.
Installation of Electronic Engine
Control System
(a) For electronic engine control (EEC)
system installations, it must be
established that no single failure or
malfunction or probable combinations
of failures of EEC system components
will have an effect on the system, as
installed in the airplane, that causes the
Loss of Power Control (LOPC)
probability of the system to exceed
those allowed in part 33 certification.
(b) Electronic engine control system
installations must be evaluated for
environmental and atmospheric
conditions, including lightning and
High Intensity Radiated Fields (HIRF).
The EEC system lightning and HIRF
effects that result in LOPC should be
considered catastrophic.
(c) The components of the installation
must be constructed, arranged, and
installed to ensure their continued safe
operation between normal inspections
or overhauls.
(d) Functions incorporated into any
electronic engine control that make it
part of any equipment, systems or
installation whose functions are beyond
that of basic engine control, and which
may also introduce system failures and
malfunctions, are not exempt from
§ 23.1309 and must be shown to meet
part 23 levels of safety as derived from
§ 23.1309. Part 33 certification data, if
applicable, may be used to show
compliance with any part 23
requirements. If part 33 data is used to
substantiate compliance with part 23
requirements, then the part 23 applicant
must be able to provide this data for its
showing of compliance.
Note: The term ‘‘probable’’ in the context
of ‘‘probable combination of failures’’ does
not have the same meaning as used for a
safety assessment process. The term
‘‘probable’’ in ‘‘probable combination of
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Frm 00016
Fmt 4700
Sfmt 4700
failures’’ means ‘‘foreseeable,’’ or those
failure conditions anticipated to occur one or
more times during the operational life of each
airplane.
Issued in Kansas City, Missouri on
September 11, 2019.
James Foltz,
Acting Manager, Small Airplane Standards
Branch, Policy and Innovation Division,
Aircraft Certification Service.
[FR Doc. 2019–20325 Filed 9–20–19; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF HOMELAND
SECURITY
U.S. Customs and Border Protection
DEPARTMENT OF THE TREASURY
19 CFR Part 24
[USCBP–2019–0032; CBP Dec. No. 19–10]
RIN 1515–AE47
Amendment to Statement Processing
and Automated Clearinghouse (ACH);
Correction
U.S. Customs and Border
Protection, Department of Homeland
Security; Department of the Treasury.
ACTION: Interim final rule; correction.
AGENCY:
This document corrects an
interim final rule published on
September 5, 2019, in the Federal
Register, which amended the U.S.
Customs and Border Protection (CBP)
regulations regarding statement
processing and Automated
Clearinghouse (ACH) and made certain
technical corrections to the CBP
regulations. In the September 5, 2019,
document, an amendatory instruction
cited an incorrect sentence in a
paragraph to be amended. This
document corrects that error.
DATES: This correction is effective
September 23, 2019.
FOR FURTHER INFORMATION CONTACT: Kara
Welty, Debt Management Branch,
Revenue Division, Office of Finance,
866–530–4172,
collectionscapabilityowners@
cbp.dhs.gov.
SUMMARY:
SUPPLEMENTARY INFORMATION:
Background
On September 5, 2019, CBP and the
Department of the Treasury published
the ‘‘Amendment to Statement
Processing and Automated
Clearinghouse (ACH)’’ interim final rule
in the Federal Register (84 FR 46678),
which became effective on September 7,
2019. The interim final rule amended
E:\FR\FM\23SER1.SGM
23SER1
Agencies
[Federal Register Volume 84, Number 184 (Monday, September 23, 2019)]
[Rules and Regulations]
[Pages 49648-49650]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2019-20325]
=======================================================================
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 23
[Docket No. FAA-2019-0745; Special Conditions No. 23-297-SC]
Special Conditions: Diamond Aircraft Industries of Canada Model
DA-62 Airplanes; Electronic Engine Control System Installation
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final special conditions; request for comments.
-----------------------------------------------------------------------
SUMMARY: These special conditions are issued for the Diamond Aircraft
Industries of Canada (DAI Canada) Model DA-62 airplane. This airplane
will have a novel or unusual design feature associated with
installation of an engine that includes an electronic engine control
system. The applicable airworthiness regulations do not contain
adequate or appropriate safety standards for this design feature. These
special conditions contain the additional safety standards that the
Administrator considers necessary to establish a level of safety
equivalent to that established by the existing airworthiness standards.
DATES: The effective date of these special conditions is September 23,
2019. The FAA must receive your comments by October 23, 2019.
ADDRESSES: Send comments identified by docket number FAA-2019-0745
using any of the following methods:
[ssquf] Federal eRegulations Portal: Go to https://www.regulations.gov and follow the online instructions for sending your
comments electronically.
[ssquf] Mail: Send comments to Docket Operations, M-30, U.S.
Department of Transportation (DOT), 1200 New Jersey Avenue SE, Room
W12-140, West Building, Ground Floor, Washington, DC 20590-0001.
[ssquf] Hand Delivery of Courier: Take comments to Docket
Operations in Room W12-140 of the West Building,
[[Page 49649]]
Ground Floor at 1200 New Jersey Avenue SE, Washington, DC, between 9
a.m., and 5 p.m., Monday through Friday, except Federal holidays.
[ssquf] Fax: Fax comments to Docket Operations at 202-493-2251.
Privacy: The FAA will post all comments it receives, without
change, to https://regulations.gov, including any personal information
the commenter provides. Using the search function of the docket
website, anyone can find and read the electronic form of all comments
received into any FAA docket, including the name of the individual
sending the comment (or signing the comment for an association,
business, labor union, etc.). DOT's complete Privacy Act Statement can
be found in the Federal Register published on April 11, 2000 (65 FR
19477-19478).
Docket: Background documents or comments received may be read at
https://www.regulations.gov at any time. Follow the online instructions
for accessing the docket or go to the Docket Operations in Room W12-140
of the West Building Ground Floor at 1200 New Jersey Avenue SE,
Washington, DC, between 9 a.m., and 5 p.m., Monday through Friday,
except Federal holidays.
FOR FURTHER INFORMATION CONTACT: Jeff Pretz, AIR-691, Small Airplane
Standards Branch, Policy & Innovation Division, Aircraft Certification
Service, Federal Aviation Administration, 901 Locust, Room 301, Kansas
City, MO 64106; telephone (816) 329-3239; facsimile (816) 329-4090.
SUPPLEMENTARY INFORMATION:
Reason for No Prior Notice and Comment Before Adoption
The FAA has determined, in accordance with 5 U.S. Code 553(b)(3)(B)
and 553(d)(3), that notice and opportunity for prior public comment
hereon are unnecessary because substantially identical special
conditions have been subject to the public comment process in several
prior instances such that the FAA is satisfied that new comments are
unlikely. For the same reason, the FAA finds that good cause exists for
making these special conditions effective upon issuance. The FAA is
requesting comments to allow interested persons to submit views that
may not have been submitted in response to the prior opportunities for
comment.
------------------------------------------------------------------------
Special conditions No. Company/airplane model
------------------------------------------------------------------------
23-253-SC \1\....................... Diamond Aircraft Industries/Model
DA-40NG.
23-267-SC \2\....................... Cirrus Design Corporation/Model
SF50.
23-282-SC \3\....................... Pilatus Aircraft Ltd./Model PC-24.
23-292-SC \4\....................... Costruzioni Aeronautiche Tecnam
S.P.A./Model P2012.
------------------------------------------------------------------------
Comments Invited
---------------------------------------------------------------------------
\1\ https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgSC.nsf/0/1A102658468C62D386257950004D7183?OpenDocument.
\2\ https://www.govinfo.gov/app/details/FR-2015-09-23/2015-24156/summary.
\3\ https://www.govinfo.gov/app/details/FR-2017-07-17/2017-14936.
\4\ https://www.federalregister.gov/documents/2019/04/26/2019-08476/special-conditions-costruzioni-aeronautiche-tecnam-spa-model-p2012-airplane-electronic-engine.
---------------------------------------------------------------------------
The FAA invites interested people to take part in this rulemaking
by sending written comments, data, or views. The most helpful comments
reference a specific portion of the special conditions, explain the
reason for any recommended change, and include supporting data.
The FAA will consider all comments received on or before the
closing date for comments. The FAA will consider comments filed late if
it is possible to do so without incurring expense or delay. The FAA may
change these special conditions based on the comments received.
Background
On November 16, 2018, DAI Canada applied for FAA validation for a
type certificate for its new Model DA-62, which includes installation
of an electronic engine control (EEC) system--commonly referred to as a
full authority digital engine control (FADEC). The Model DA-62 is a
normal category, composite, cantilevered low-wing monoplane that seats
six passengers and one pilot. Two Austro Engine GmbH Model E4P diesel
engines each drive an MT 3 bladed propeller. The airplane has
retractable tricycle landing gear, a Garmin G1000NXi avionics suite,
and a maximum takeoff weight of 4,407 pounds.
The FAA type certificated Austro Engine GmbH Model E4P aircraft
diesel engines (TC No. E00081EN) installed on the Model DA-62 use an
EEC system instead of a traditional mechanical control system. Although
the EEC is certificated with the engine, the installation of an EEC
requires evaluation due to critical environmental effects and possible
effects on or by other airplane systems such as indirect effects of
lightning, radio interference with other airplane electronic systems,
and shared engine, airplane data, and power sources.
Sections 23.1306, 23.1308, and 23.1309 contain requirements for
evaluating the installation of complex systems, including electronic
systems and critical environmental effects. However, the use of EECs
for engines was not envisioned when Sec. 23.1309 was published. The
integral nature of these systems makes it necessary to ensure proper
evaluation of the airplane functions, which may be included in the EEC,
and that the installation does not degrade the EEC reliability approved
under part 33 during engine type certification. Sections 23.1306(a) and
23.1308(a) apply to the EEC to ensure it remains equivalent to a
mechanical only system, which is not generally susceptible to the High
Intensity Radiated Fields (HIRF) and lightning environments.
In some cases, the airplane in which the engine is installed
determines a higher classification than the engine controls are
certificated for, requiring the EEC systems be analyzed at a higher
classification. Since November 2005, EEC special conditions have
mandated the Sec. 23.1309 classification for loss of EEC control as
catastrophic for any airplane. This is not to imply an engine failure
is classified as catastrophic, but that the EEC must provide an
equivalent reliability to mechanical engine controls. In addition,
Sec. Sec. 23.1141(e) and 25.901(b)(2) provide the fault tolerant
design requirements of turbine engine mechanical controls to the EEC
and ensure adequate inspection and maintenance intervals for the EEC.
Part 23 did not envision the use of full authority EECs and lacks
the specific regulatory requirements necessary to provide an adequate
level of safety. Therefore, special conditions are necessary.
Type Certification Basis
Under the provisions of 14 CFR 21.17, DAI Canada must show that the
Model DA-62 meets the applicable provisions of 14 CFR part 23, as
amended by amendments 23-1 through 23-62 thereto.
If the Administrator finds that the applicable airworthiness
regulations in part 23 do not contain adequate or appropriate safety
standards for the Model DA-62 airplane because of a novel or unusual
design feature, special conditions are prescribed under the provisions
of Sec. 21.16.
The FAA issues special conditions, as defined in Sec. 11.19, under
Sec. 11.38 and they become part of the type certification basis under
Sec. 21.17(a)(2).
[[Page 49650]]
Special conditions are initially applicable to the model for which
they are issued. Should the type certificate for that model be amended
later to include any other model that incorporates the same novel or
unusual design feature, or should any other model already included on
the same type certificate be modified to incorporate the same novel or
unusual design feature, the FAA would apply these special conditions to
the other model.
In addition to the applicable airworthiness regulations and special
conditions, the Model DA-62 must comply with the fuel vent and exhaust
emission requirements of 14 CFR part 34 and the noise certification
requirements of 14 CFR part 36; and the FAA must issue a finding of
regulatory adequacy under section 611 of Public Law 92-574, the ``Noise
Control Act of 1972.''
Novel or Unusual Design Features
The Model DA-62 airplane will incorporate the following novel or
unusual design features: The installation of an EEC system, which is
the generic family of electrical/electronic engine control systems to
include full authority digital engine controls, supervisory controls,
and derivatives of these controls.
Discussion
This airplane makes use of an electronic engine control system
instead of a traditional mechanical control system, which is a novel
design for this type of airplane. The applicable airworthiness
regulations do not contain adequate or appropriate safety standards for
this design feature. Mandating a structured assessment to determine
potential installation issues mitigate concerns that the addition of an
electronic engine control does not produce a failure condition not
previously considered.
Applicability
As discussed above, these special conditions are applicable to the
Model DA-62 airplane. Should DAI Canada apply at a later date for a
change to the type certificate to include another model incorporating
the same novel or unusual design feature, the FAA would apply these
special conditions to that model as well.
Conclusion
This action affects only a certain novel or unusual design feature
on the Model DA-62 airplane. It is not a rule of general applicability
and affects only the applicant who applied to the FAA for approval of
these features on the airplane.
List of Subjects in 14 CFR Part 23
Aircraft, Aviation safety, Signs and symbols.
Citation
The authority citation for these special conditions is as follows:
Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702; Pub.
L. 113-53, 127 Stat 584 (49 U.S.C. 44704) note.
The Special Conditions
[squf] Accordingly, pursuant to the authority delegated to me by
the Administrator, the following special conditions are issued as part
of the type certification basis for DAI Canada Model DA-62 airplanes.
Installation of Electronic Engine Control System
(a) For electronic engine control (EEC) system installations, it
must be established that no single failure or malfunction or probable
combinations of failures of EEC system components will have an effect
on the system, as installed in the airplane, that causes the Loss of
Power Control (LOPC) probability of the system to exceed those allowed
in part 33 certification.
(b) Electronic engine control system installations must be
evaluated for environmental and atmospheric conditions, including
lightning and High Intensity Radiated Fields (HIRF). The EEC system
lightning and HIRF effects that result in LOPC should be considered
catastrophic.
(c) The components of the installation must be constructed,
arranged, and installed to ensure their continued safe operation
between normal inspections or overhauls.
(d) Functions incorporated into any electronic engine control that
make it part of any equipment, systems or installation whose functions
are beyond that of basic engine control, and which may also introduce
system failures and malfunctions, are not exempt from Sec. 23.1309 and
must be shown to meet part 23 levels of safety as derived from Sec.
23.1309. Part 33 certification data, if applicable, may be used to show
compliance with any part 23 requirements. If part 33 data is used to
substantiate compliance with part 23 requirements, then the part 23
applicant must be able to provide this data for its showing of
compliance.
Note: The term ``probable'' in the context of ``probable
combination of failures'' does not have the same meaning as used for
a safety assessment process. The term ``probable'' in ``probable
combination of failures'' means ``foreseeable,'' or those failure
conditions anticipated to occur one or more times during the
operational life of each airplane.
Issued in Kansas City, Missouri on September 11, 2019.
James Foltz,
Acting Manager, Small Airplane Standards Branch, Policy and Innovation
Division, Aircraft Certification Service.
[FR Doc. 2019-20325 Filed 9-20-19; 8:45 am]
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