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Aircraft Parts, FAA, FAA Design Approval, Legal, Manufacturing, PMA, Policy

MARPA Comments on New FAA PMA Policy

In January, we wrote in this space about two new FAA Policy Statement proposals aimed at increasing coordination between FAA offices in the cases of certain engine PMA and propeller PMA applications.  MARPA is always on the lookout for those potential regulations and policies–whether large or small–that could effect our members.  In an effort to best support the industry, MARPA solicits feedback from members and files comments addressing the concerns of the PMA community with the FAA.  MARPA also works to support the FAA in order to provide industry’s perspective and needs in order to help develop the best rules, policy, and guidance possible.

Last week we filed comments on draft policy statements PS-ANE-33.3-05 and PS-ANE-35.15-02. These two statements were substantially similar in content, and therefore raised similar concerns.  The policy statements are intended to create a uniform policy describing the engine and propeller PMA projects for which an ACO is required to use the national certification project notification (CPN) database to alert the Certification Management ACO (CMACO) and Engine and Propeller Directorate (EPD) about the project.  The purpose is to enable the CMACO and EPD to provide relevant input when the PMA application is for a project the failure of which may result in a loss of thrust or power.

MARPA noted several possible issues with the proposed Policy Statements.  First, our comments noted that the policy as proposed could run the risk of burdening PMA applicants by delaying response time, as each FAA office took the opportunity to review the project.  MARPA also noted the risk that differences of opinion between offices could be hashed out using an individual PMA application as the mechanism.  This could also result in undue burden to the applicant.  Finally, MARPA noted that inquiries by FAA offices about certain PMA projects could inadvertently alert TC holders of possible competition in a particular part market, and give that TC holder the opportunity to lock up the market before the PMA package is ever approved; a clear unfair competitive advantage.

Finally, MARPA noted that a certain provision uniquely included in PS-ANE-33.3-05 (the engine-PMA Policy Statement) was needlessly critical of PMAs and potentially harmful to the PMA industry. The sentence in question reads “[f]ailure of some of these engine PMA parts has resulted in unsafe conditions and the issuance of airworthiness directives.”  MARPA explained that this sentence was inappropriate for two reasons.  First, it incorrectly implies that PMA parts are abnormally unsafe and that TC products do not have a history of resulting in ADs.  Second, the sentence in no way advances the purpose of the Policy Statement, which is to establish uniform standards for use of the CPN database.  For these reasons, MARPA recommended the deletion of the sentence.

MARPA will continue to work for its members to advise and cooperate with the FAA in crafting fair and effective policy.  Members comments on these issues are always welcome.

You can read MARPA’s comments in their entirety on the MARPA website under the Government Affairs tab at http://www.pmaparts.org/government/.

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