# AD 79-16-02: Safety Belt Assemblies

- Type: Airworthiness directive
- Status: Current
- Products: Indiana Mills & Manufacturing Safety Belts, AA-1B, AA-1C, AA-5, AA-5A and AA-5B
- Effective: August 2, 1979
- Superseded by: Nothing supersedes this AD
- Product type: Appliance
- Amendment: 39-3519
- Registered aircraft: 2,087 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7DDBB8F1427BD4F386256A330053DE01.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/79-16-02

## The airworthiness directive

79-16-02 INDIANA MILLS AND MANUFACTURING, INC.: Amendment 39-3519. Applies to Model IMM 111040-1, -2, -3, -4 and -8 safety belt assemblies marked as meeting the standards of FAA TSO-C22f. These safety belts are installed in, but not limited to, Gulfstream American Corp. (formerly Grumman American Aviation Corp.) AA-1B, AA-1C, AA-5, AA-5A, AA-5B model airplanes.

These safety belts can no longer be considered to meet the standards prescribed by FAA TSO-C22f and the approved special criteria for push-button release mechanisms which requires the push-button release force to be between 2.5 and 8 pounds when using the loading conditions specified in FAA TSO-C22f (Section 4.3.2.2 of NAS 802).

Within 120 days from the effective date of the AD, these safety belts shall not be used in type certificated aircraft.

NOTE - Information regarding replacement safety belts for Gulfstream American airplanes can be obtained from:

Gulfstream Light Aircraft Customer Service P.O. Box 2206 Savannah, Georgia 31410 Telephone (912) 964-3000 Telex 54-6470

This amendment becomes effective August 2, 1979.

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A16EA](https://openairdocs.org/tcds/A16EA): True Flight Holdings LLC; names 3 of 4 models: AA-5B, AA-5A, AA-5
- [TCDS A11EA](https://openairdocs.org/tcds/A11EA): True Flight Holdings LLC; names 2 of 4 models: AA-1C, AA-1B

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 2,087 (2,087 by airframe model, 0 by engine model)
- Makers: Grumman American Avn. 1,619, Gulfstream American 315, American 153

Models with the most aircraft:

- [Grumman American Avn. AA-5B](https://openairdocs.org/model/grumman-american-avn-aa-5b): 643 aircraft (airframe model)
- [Grumman American Avn. AA-5A](https://openairdocs.org/model/grumman-american-avn-aa-5a): 386 aircraft (airframe model)
- [Grumman American Avn. AA-5](https://openairdocs.org/model/grumman-american-avn-aa-5): 257 aircraft (airframe model)
- [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b): 231 aircraft (airframe model)
- [Gulfstream American AA-5B](https://openairdocs.org/model/gulfstream-american-aa-5b): 216 aircraft (airframe model)
- [American AA-5](https://openairdocs.org/model/american-aa-5): 127 aircraft (airframe model)
- [Grumman American Avn. AA-1C](https://openairdocs.org/model/grumman-american-avn-aa-1c): 102 aircraft (airframe model)
- [Gulfstream American AA-5A](https://openairdocs.org/model/gulfstream-american-aa-5a): 99 aircraft (airframe model)
- [American AA-1B](https://openairdocs.org/model/american-aa-1b): 26 aircraft (airframe model)

All 9 models: https://openairdocs.org/ad/79-16-02/models.md
Every aircraft: https://openairdocs.org/ad/79-16-02/aircraft.md

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.