# Honeywell T53-L-703 - Type: Engine model (FAA registry) - Registry code: 33882 - Manufacturer (registry): HONEYWELL - Model: T53-L-703 - Engine type: Turbo-shaft - Power: 1,500 hp - Installed in: 17 registered aircraft - Page: https://openairdocs.org/engine/honeywell-t53-l-703 Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2022-10-02](https://openairdocs.org/ad/2022-10-02): Engine Controls · Honeywell International T53-L-703, T53-L-13B S/SB, T53-L-13B S/SA and 14 more. Effective Jun 28, 2022 - [AD 2006-11-16](https://openairdocs.org/ad/2006-11-16): Fuel control regulator assemblies · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 8 more. Effective Jul 5, 2006 - [AD 2006-01-05](https://openairdocs.org/ad/2006-01-05): Turboshaft engine · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B S/SB and 12 more. Effective Feb 16, 2006 - [AD 2002-15-04](https://openairdocs.org/ad/2002-15-04): Compressor impellers · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 4 more. Effective Sep 10, 2002 - [AD 2002-09-09](https://openairdocs.org/ad/2002-09-09): Centrifugal Compressor Impeller · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 10 more. Effective Jun 13, 2002 - [AD 97-21-07 R1](https://openairdocs.org/ad/97-21-07-R1): Accessory Drive Carrier Assembly · Honeywell International T53-L-703, T5313B, T5317A and 1 more. Effective Jul 6, 1998 - [AD 97-07-05](https://openairdocs.org/ad/97-07-05): Accessory Drive Assembly · Honeywell International T53-L-703, T5311A, T5311B and 4 more. Effective Jun 24, 1997 - [AD 77-17-08](https://openairdocs.org/ad/77-17-08): Fuel Regulator P1 Multiplier Lever · Honeywell International T53-L-703, T5307A, T5309A and 7 more. Effective Mar 30, 1978 ## Registered aircraft (17) - [N110NW](https://openairdocs.org/aircraft/N110NW): [Cbft LLC](https://openairdocs.org/faa-owner/CBFT%20LLC), [Mobile, AL](https://openairdocs.org/faa-place/AL/Mobile), built 1966, S/N 66-16198 - [N1145Q](https://openairdocs.org/aircraft/N1145Q): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1966, S/N 66-16355 - [N11FX](https://openairdocs.org/aircraft/N11FX): [Aircraft Registration Inc Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20REGISTRATION%20INC%20TRUSTEE), Kematen, built 1967, S/N 67-15819 - [N20446](https://openairdocs.org/aircraft/N20446): [Agriforrestal Applications Inc](https://openairdocs.org/faa-owner/AGRIFORRESTAL%20APPLICATIONS%20INC), [Arcadia, FL](https://openairdocs.org/faa-place/FL/Arcadia), built 1963, S/N 63-8770 - [N2055V](https://openairdocs.org/aircraft/N2055V): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1966, S/N 66-1023 - [N284MM](https://openairdocs.org/aircraft/N284MM): [Marble Mountain Helicopters LLC](https://openairdocs.org/faa-owner/MARBLE%20MOUNTAIN%20HELICOPTERS%20LLC), [Roseburg, OR](https://openairdocs.org/faa-place/OR/Roseburg), built 1964, S/N 6413813 - [N324MW](https://openairdocs.org/aircraft/N324MW): [Mountain West Helicopters Of Montana LLC](https://openairdocs.org/faa-owner/MOUNTAIN%20WEST%20HELICOPTERS%20OF%20MONTANA%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 1965, S/N 65-09856 - [N3276K](https://openairdocs.org/aircraft/N3276K): [Mooney Seven Inc](https://openairdocs.org/faa-owner/MOONEY%20SEVEN%20INC), [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio), built 1967, S/N 67-19521 - [N421NC](https://openairdocs.org/aircraft/N421NC): [State Of North Carolina](https://openairdocs.org/faa-owner/STATE%20OF%20NORTH%20CAROLINA), [Raleigh, NC](https://openairdocs.org/faa-place/NC/Raleigh), built 1964, S/N 64-13544 - [N430BH](https://openairdocs.org/aircraft/N430BH): [Bering Air Inc](https://openairdocs.org/faa-owner/BERING%20AIR%20INC), [Nome, AK](https://openairdocs.org/faa-place/AK/Nome), built 1965, S/N 65-09702 - [N67NH](https://openairdocs.org/aircraft/N67NH): [State Of North Carolina](https://openairdocs.org/faa-owner/STATE%20OF%20NORTH%20CAROLINA), [Raleigh, NC](https://openairdocs.org/faa-place/NC/Raleigh), built 1967, S/N 6717282 - [N67SH](https://openairdocs.org/aircraft/N67SH): [Northwest Helicopters LLC](https://openairdocs.org/faa-owner/NORTHWEST%20HELICOPTERS%20LLC), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 1976, S/N 7622707 - [N7239L](https://openairdocs.org/aircraft/N7239L): [Wallasch Charles Trustee](https://openairdocs.org/faa-owner/WALLASCH%20CHARLES%20TRUSTEE), [Alpine, WY](https://openairdocs.org/faa-place/WY/Alpine), built 1976, S/N 76-22601 - [N7239T](https://openairdocs.org/aircraft/N7239T): [Olympic Jet Inc](https://openairdocs.org/faa-owner/OLYMPIC%20JET%20INC), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 1977, S/N 77-22741 - [N777GH](https://openairdocs.org/aircraft/N777GH): [Rugged Flightworks LLC](https://openairdocs.org/faa-owner/RUGGED%20FLIGHTWORKS%20LLC), [Big Piney, WY](https://openairdocs.org/faa-place/WY/Big%20Piney), built 1964, S/N 64-13560 - [N832DH](https://openairdocs.org/aircraft/N832DH): [Skyhop LLC](https://openairdocs.org/faa-owner/SKYHOP%20LLC), [Santa Rosa, CA](https://openairdocs.org/faa-place/CA/Santa%20Rosa), built 1967, S/N 67-17659 - [N959BH](https://openairdocs.org/aircraft/N959BH): [Bering Air Inc](https://openairdocs.org/faa-owner/BERING%20AIR%20INC), [Nome, AK](https://openairdocs.org/faa-place/AK/Nome), built 1964, S/N 6413808 ## NTSB investigations (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB WPR20LA130](https://openairdocs.org/ntsb/WPR20LA130), Apr 24, 2020: Bell UH 1H (N3276T), Mesa, AZ, substantial damage, 1 fatal. Probable cause: An in-flight separation of the tail rotor gearbox from the airframe due to fatigue failure of the gearbox attachment studs, resulting in a loss of directional control and subsequent ground impact.… - [NTSB LAX08LA230](https://openairdocs.org/ntsb/LAX08LA230), Jul 15, 2008: Bell UH-1H (N3276T), Rock Springs, WY, substantial damage. Probable cause: A total loss of engine power due to the failure of the No. 1 bearing for undetermined reasons. ## FAA accident and incident reports (3) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20251106017539I](https://openairdocs.org/incident/20251106017539I), Nov 6, 2025: Bell UH-1H (N959BH), Nome, AK, Minor damage. On November 6, 2025, N959BH flew from unalakleet to Nome, Alaska. The PIC idnetified damage to one of the tail rotor blades during the post flight walkaround.… - [Accident 20200424002569A](https://openairdocs.org/incident/20200424002569A), Apr 24, 2020: Bell UH-1H (N3276T), Mesa, AZ, Destroyed, 1 fatal. While enroute from blythe, CA, N3276T (a UH1) was over Mesa AZ approximately 7 miles southwest from falcon field (ffz) when it experienced a loss of the tail… - [Accident 20080715841499A](https://openairdocs.org/incident/20080715841499A), Jul 15, 2008: Bell UH1H (N3276T), Rock Springs, WY, Substantial damage. (-23) The restricted catagory helicopter engine failed while operating under part 133. A 1,700 pound external load, on a 100 foot line, was atttached to the… --- 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.