Chapter 12. Publications, Forms, & Records

Radio Station License

A radio station license is required if the aircraft is equipped with radios, and the aircraft is planned to be flown outside the boundaries of the United States. A radio station license is not required for aircraft that are operated domestically. (A major change occurred on February 8, 1996, when the telecommunications Act of 1996 was signed into law.)

The Federal Communications Commission (FCC) formerly required that any communication transmitter installed in aircraft be licensed. These FCC licenses were valid for 5 years. Note that this is not an FAA requirement. FAA inspectors who conducted ramp inspections and detected an expired radio station license were not required to notify the FCC, nor could they issue a violation to the owner/operator. Simply informing the operator of the expired radio station license was their only responsibility.

FSGA 96-06, a Flight Standards Information Bulletin (FSIB) for General Aviation (FSGA) titled “Elimination of Aircraft Radio Station Licenses" became effective on July 8, 1996. Although that FSIB had an effectivity of only 1 year, the elimination of the requirement for aircraft used only in domestic operations continues.

FAA Form 337 — Major Repair and Alteration

(Refer to current issue of AC 43.9-1, Instructions for Completion of FAA Form 337 (OMB No. 2120-0020), Major Repair and Alteration (Airframe, Powerplant, Propeller, or Appliance).) [Figure 12-19]

As the name clearly states, this form is to be used whenever major repairs or alterations are accomplished on an aircraft. (The only exception would be that 14 CFR part 43, appendix B, allows for a certificated repair station to return to service (RTS) an aircraft after a major repair by using a signed and dated work order and a signed maintenance release.)

Information in item 1 should be taken directly from the aircraft dataplate, except for the tail number which should be compared to the aircraft registration form.

Information in item 2 must reflect the name and address listed on AC Form 8050-3, Certificate of Registration.

Item 3 is used only when there is no existing approved data for the intended repair or alteration. In that case, the technician can request that the local FSDO Principal Maintenance Inspector (PMI) review the data and then grant a field approval which is shown by completing and signing this area. In many cases, this block will be blank because the technician has found, used, and made reference to data already approved by the FAA.

Item 4 should have “X" marked in either the Repair or the Alteration column.

Item 5 — If the repair or alteration is being done to the aircraft airframe, no entry is required since the data will be identical to that in item 1. However, if the repair or alteration is being done to an engine, a propeller, or other appliance, entries must include the appropriate make, model and serial number information.

Item 6 — Enter appropriate data as specified, and check the proper box in B. The technician is encouraged to carefully read the preprinted statement in subparagraph D prior to signing this section.

Item 7 must be completed by the IA or authorized individual from the repair station.

Item 8 (on the reverse side) is for the description of the work accomplished. It must include a reference to the approved data used to conduct the required maintenance.

The form must be completed at least in duplicate, with the original provided to the owner/operator and a copy sent to the FAA within 48 hours of completing the maintenance and return to service. If the FAA Form 337 is used to document additional fuel tanks in the cabin or cargo, then an additional copy must be signed and in the aircraft at all times. Professional business sense would be to also make and retain a copy at the maintenance facility.

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