“Getting an FAA acreage approval is a lot like accepting an albatross pregnant. 1. It’s harder assignment than anyone would imagine, 2. It’s able by a lot of agreeable and yelling, 3. Both parties are not abiding of what the added is doing, and 4. It takes 19 months afore you see any results.”
What is a acreage approval?
A acreage approval is the granting, by an FAA airworthiness inspector, of FAA “approval” for a above adjustment or above alteration. The approval is accustomed alone afterwards administering a concrete analysis and/or afterwards reviewing data.
There are three altered kinds of acreage approvals for which the bounded FAA ambassador can assurance off:
Examination of abstracts only: This is the best accepted anatomy of acreage approval. The artisan or repairman submits “acceptable” abstracts to the bounded FAA appointment for approval. The “approved data” can be acclimated to achieve a above adjustment or above alteration.
Once the abstracts has been accustomed beneath this procedure, it can be acclimated alone for that one aircraft (describe in Block 1 of FAA Anatomy 337).
However, if you appetite to do the exact aforementioned adjustment or about-face to addition like achieve or archetypal aircraft you can use the aboriginal Anatomy 337 as the base for accepting a new acreage approval for the additional aircraft.
Physical inspection, affirmation or testing of the adjustment or alteration: This is rarely done except in cases area technicians acquisition crooked agent or apparatus installed on aircraft, which allegedly accept been installed for some time. Since the aircraft has aureate auspiciously for abounding hours, an FAA ambassador can, if annoyed with the installation, accept the installation. He does so by signing a new Anatomy 337.
Examination of abstracts alone for duplication on identical achieve and archetypal aircraft by the aboriginal modifier: This is a action that saves the aliment artisan and the FAA a lot of time. For example, one artisan wants to install alike avionics bales on as abounding Cessna 501s as possible; or maybe he wants to install alike installations of arctic tires on Beech 18s.
The artisan can abide the abstracts to be accustomed forth with a appeal that the abstracts accustomed be continued to added identical aircraft. The FAA inspector, if satisfied, signs Block 3 that grants duplication of the abstracts from the aboriginal Anatomy 337.
When the artisan finishes a alike about-face on added aircraft, he sends the FAA a accustomed FAA Anatomy 337 appropriately abounding out advertisement the “approved data” on the aback and authoritative advertence to the acreage approval. To abstain problems, attach a alike archetype of the aboriginal Acreage Approval Anatomy 337.
A acreage approval is not a regulation; it’s a policy.
Because it is a action and not a rule, a artisan is not automatically advantaged to a acreage approval – alike if he submits a “perfect” FAA Anatomy 337 to the FAA.
Why? Because the ascendancy to admission a acreage approval and the abundant accountability of albatross that goes with signing Block 3 of the Anatomy 337 has been delegated alone to the bounded FAA commune appointment airworthiness inspector.
The albatross for abstracts approval is so awe-inspiring that no one, not alike the FAA Administrator, may force the ambassador to accept a above about-face or above adjustment adjoin his or her bigger judgment.
Since it’s the ambassador who makes the final accommodation and is captivated answerable by the FAA for that decision, best inspectors are ever alert back it comes to signing off a acreage approval.
Four regulations, FAR 65.95, FAR 121.378, FAR 135.437 and FAR 145.51 all crave “approved” abstracts for above aliment and above alterations.
Approved abstracts can be blazon certificates abstracts bedding (TCDS), airworthiness directives (AD), Designated Engineering Representative (DER) data, Designated About-face Station (DAS) data, FAA-Approved Manufacturer’s Abstracts Supplemental Blazon Certificates (STC) and apparatus manufacturers’ manuals.
If you can’t acquisition accustomed abstracts of this type, your alone adventitious for accepting abstracts accustomed is to administer to the FAA for an STC, or to ask a bounded FAA ambassador for a acreage approval.
Some aliment and alterations are so circuitous they’re absolutely architecture changes and crave an STC. The afterward alterations are examples of alterations that can’t be acreage approved.
• Aboriginal do not cut metal, braid wire or install accessories until you accept the approval. The alone affair worse than not accepting a acreage approval is cogent your chump the adorned accessories you installed in his aircraft has to be removed.
• Determine if the adjustment or about-face is above as authentic by FAR 1. If it’s major, go to the aing step.
• Don’t set absurd goals. Allow a reasonable time, at atomic 30 canicule for the acreage approval.
• Analysis all sources for “approved data” to achieve the adjustment or alteration. If you acquisition accustomed abstracts in the blazon affidavit beneath alternative accessories or beneath notes, assurance off the adjustment or about-face in the logbook. No Anatomy 337 is appropriate because the adjustment or about-face has already been accustomed beneath the blazon architecture and is advised minor. For all added accustomed data, a Anatomy 337 is required. If there’s no accustomed data, go to the aing step.
• Call or appointment the FAA ambassador and call your adjustment or alteration. Acquisition out what affectionate of abstracts the ambassador wants to see. Then accumulate it in a reasonable and barefaced format. The abstracts charge be current, authentic and charge abutment as able-bodied as call the about-face or repair. Abstracts can be in the anatomy of drawings, sketches or photographs. References to AC 43.13-IA and 2A, manufacturer’s aliment manuals, kits, bulletins and account belletrist may be helpful.
• A awning letter for the Anatomy 337 anecdotic in detail how you’re activity to achieve the adjustment or about-face is additionally helpful. Vague or abortive abstruse references are amateurish and should be abhorred because it destroys your credibility.
• With your analysis done accelerate the FAA ambassador alike copies of the Anatomy 337 forth with the abstracts you appetite approved.
If you did your appointment anxiously and followed these accessible hints, you’ll accept a 75 percent adventitious of accepting your adjustment or about-face accustomed on the aboriginal attempt. If you don’t, acquisition out what’s amiss and try again.
This commodity aboriginal appeared in the January/February 1992 affair of Aircraft Technician.
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