Federal Aviation Administration May 9, 2017 – Federal Register Recent Federal Regulation Documents

We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc., Model CL-215-6B11 (CL-415 Variant) airplanes. This proposed AD was prompted by a report indicating that an oxygen bottle was found loose while the clamp strap was in the locked position. This proposed AD would require modification of the clamp strap and installation of additional shims, as applicable, to the flight crew's oxygen bottle retaining structures. We are proposing this AD to address the unsafe condition on these products.

These special conditions are issued for non-rechargeable lithium battery installations on the Gulfstream Aerospace LP (GALP) Model Gulfstream 200 airplane, as modified by Gulfstream Aerospace Corporation (Gulfstream). Non-rechargeable lithium batteries are a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport category airplanes. 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.

The FAA is correcting a final rule published on September 7, 2016. In that rule, the FAA amended its regulations to relocate and update the content of SFAR No. 108 to the newly created subpart N of part 91 in order to improve the safety of operating the Mitsubishi Heavy Industries (MHI) MU-2B series airplane. This document corrects two errors in the codified text of the final rule.