Get Alteration Form

ANSWER: An aircraft alteration is usually done to improve upon a current aircraft design or performance standard. Alterations are also performed to equipment on an aircraft for special purpose operations such as photography, crop spraying, etc.

The person who performs or supervises a major repair or major alteration must prepare FAA Form 337. The form is executed at least in duplicate and is used to record major repairs and major alterations made to an aircraft, airframe, powerplant, propeller, appliance, or a component part thereof.

Minor alteration means an alteration other than a major alteration. Major repair means a repair: (1) That, if improperly done, might appreciably affect weight, balance, structural strength, performance, powerplant operation, flight characteristics, or other qualities affecting airworthiness; or.

Minor alteration means an alteration other than a major alteration. (2) That is not done ing to accepted practices or cannot be done by elementary operations. Minor repair means a repair other than a major repair. Not much help when we are considering a specific repair or alteration.

Minor Alterations means an alteration having no appreciable affect on the weight, balance, structural strength, powerplant operations, flight characteristics or other characteristics affecting the airworthiness of any aircraft.

The bottom line is that if you are changing how a system works, the basic structural integrity, or the certified operational characteristics of the aircraft, you are making a major alteration. If not, it's generally a minor alteration.

Minor alteration means an alteration other than a major alteration. Major repair means a repair: (1) That, if improperly done, might appreciably affect weight, balance, structural strength, performance, powerplant operation, flight characteristics, or other qualities affecting airworthiness; or.

Minor alteration means an alteration other than a major alteration. (2) That is not done ing to accepted practices or cannot be done by elementary operations. Minor repair means a repair other than a major repair. Not much help when we are considering a specific repair or alteration.