Federal Aviation Administration January 8, 2015 – Federal Register Recent Federal Regulation Documents

We are revising an earlier proposed airworthiness directive (AD) for certain Airmotive Engineering Corp. (AEC) replacement parts manufacturer approval (PMA) cylinder assemblies marketed by Engine Components International Division (ECi). These cylinder assemblies are used on all Continental Motors, Inc. (CMI) model 520 and 550 reciprocating engines, and on all other CMI engine models approved for the use of model 520 and 550 cylinder assemblies, such as the CMI model 470 when modified by supplemental type certificate (STC). The NPRM proposed to require initial and repetitive inspections, replacement of cracked cylinder assemblies, and replacement of cylinder assemblies at reduced times-in-service. The NPRM also proposed to prohibit the installation of affected cylinder assemblies into any engine. The NPRM was prompted by reports of multiple cylinder head-to-barrel separations and cracked and leaking aluminum cylinder heads. This supplemental NPRM (SNPRM) modifies the schedule for removal of the affected cylinder assemblies, adds that overhauled affected cylinder assemblies be removed within 80 hours, eliminates a reporting requirement, and removes the requirement for initial and repetitive inspections. We are proposing this SNPRM to prevent failure of the cylinder assemblies, which could lead to failure of the engine, in-flight shutdown, and loss of control of the airplane. We are reopening the comment period to allow the public the chance to comment on the proposed changes to the NPRM.

This notice contains a summary of a petition seeking relief from specified requirements of Title 14 of the Code of Federal Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.

This notice contains a summary of a petition seeking relief from specified requirements of Title 14 of the Code of Federal Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.

The FAA proposes to replace the Orders limiting scheduled operations at John F. Kennedy International Airport (JFK), limiting scheduled operations at Newark Liberty International Airport (EWR), and limiting scheduled and unscheduled operations at LaGuardia Airport (LGA). The Orders are scheduled to expire when this proposed rule becomes effective but not later than October 29, 2016. This proposal is intended to provide a longer-term and comprehensive approach to slot management at JFK, EWR, and LGA. The FAA proposes to maintain the limits on scheduled and unscheduled operations in place under the Orders, limit unscheduled operations at JFK and EWR, and require use of an allocated slot 80% of the time for the same flight or series of flights to retain historic precedence. The FAA also proposes five alternatives for a secondary market that would allow carriers to buy, sell, lease, and trade slots. The DOT proposes to review certain slot transfer transactions for significant anti-competitive effects and harms to the public interest. Finally, the FAA proposes minor miscellaneous amendments to remove inapplicable references in the High Density Rule.