# AD 80-05-02: Safety Belt Assemblies - Type: Airworthiness directive - Status: Current - Products: Gulfstream Aerospace G-1159, G-1159A, G-1159B, Safety Belt Assemblies, DH.125 Series 1A, DH.125 Series 1A-522, DH.125 Series 1A/R-522, DH.125 Series 1A/S-522, DH.125 Series 3A, DH.125 Series 3A/R, DH.125 Series 3A/RA, DH.125 Series 400A and 8 more - Effective: February 27, 1980 - Superseded by: Nothing supersedes this AD - Product type: Appliance - Amendment: 39-3700 - Registered aircraft: 130 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/432C7950F353D93C86256A3800491BF4.0001 - DRS record last changed: January 21, 2026 - Page: https://openairdocs.org/ad/80-05-02 ## The airworthiness directive 80-05-02 HAMILL MANUFACTURING COMPANY: Amendment 39-3700. Applies to Model GA-4 and GA-5 safety belt assemblies marked as meeting the standards of FAA TSO-C22F. These safety belts are installed in, but not limited to, the following aircraft operated by General Motors Corporation and Firestone Tire and Rubber Company: Grumman American 1159, Rockwell International NA265, Convair 580 and Hawker Siddeley DH125. 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 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 this AD, these safety belts shall not be used in type certificated aircraft. This amendment becomes effective February 27, 1980. ## Affected data sheets (3) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A2WE](https://openairdocs.org/tcds/A2WE): Sabreliner Aviation LLC; names 8 of 8 models: NA-265-40, NA-265-80, NA-265-60, NA-265-70, NA-265-30, NA-265-65, NA-265-20, NA-265 - [TCDS A3EU](https://openairdocs.org/tcds/A3EU): Textron Aviation Inc.; names 8 of 50 models: DH.125 Series 1A/R-522, DH.125 Series 400A, DH.125 Series 3A/R, DH.125 Series 1A, DH.125 Series 1A-522, DH.125 Series 3A, DH.125 Series 1A/S-522, DH.125 Series 3A/RA - [TCDS A12EA](https://openairdocs.org/tcds/A12EA): Gulfstream Aerospace Corporation; names 3 of 7 models: G-1159A, G-1159B, G-1159 ## 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: 130 (130 by airframe model, 0 by engine model) - Makers: Gulfstream Aerospace 42, Rockwell International 34, Gulfstream American 29, North American 10, Grumman 9, Grumman American Avn. 4, Hawker Siddeley 2 Models with the most aircraft: - [Gulfstream Aerospace G-1159A](https://openairdocs.org/model/gulfstream-aerospace-g-1159a): 32 aircraft (airframe model) - [Gulfstream American G-1159A](https://openairdocs.org/model/gulfstream-american-g-1159a): 27 aircraft (airframe model) - [Rockwell International NA-265-65](https://openairdocs.org/model/rockwell-international-na-265-65): 26 aircraft (airframe model) - [Gulfstream Aerospace G1159B](https://openairdocs.org/model/gulfstream-aerospace-g1159b): 10 aircraft (airframe model) - [Grumman G-1159](https://openairdocs.org/model/grumman-g-1159): 8 aircraft (airframe model) - [North American NA-265-40](https://openairdocs.org/model/north-american-na-265-40): 6 aircraft (airframe model) - [Grumman American Avn. G-1159](https://openairdocs.org/model/grumman-american-avn-g-1159): 4 aircraft (airframe model) - [Rockwell International NA-265-60](https://openairdocs.org/model/rockwell-international-na-265-60): 4 aircraft (airframe model) - [North American NA-265-60](https://openairdocs.org/model/north-american-na-265-60): 3 aircraft (airframe model) - [Gulfstream American G-1159](https://openairdocs.org/model/gulfstream-american-g-1159): 2 aircraft (airframe model) - [Hawker Siddeley DH.125-3A/RA](https://openairdocs.org/model/hawker-siddeley-dh-125-3a-ra): 2 aircraft (airframe model) - [Rockwell International NA-265](https://openairdocs.org/model/rockwell-international-na-265): 2 aircraft (airframe model) - [Grumman G1159B](https://openairdocs.org/model/grumman-g1159b): 1 aircraft (airframe model) - [North American NA-265-80](https://openairdocs.org/model/north-american-na-265-80): 1 aircraft (airframe model) - [Rockwell International NA-265-40](https://openairdocs.org/model/rockwell-international-na-265-40): 1 aircraft (airframe model) - [Rockwell International NA-265-80](https://openairdocs.org/model/rockwell-international-na-265-80): 1 aircraft (airframe model) All 16 models: https://openairdocs.org/ad/80-05-02/models.md Every aircraft: https://openairdocs.org/ad/80-05-02/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.