# Lycoming T53L-703 - Type: Engine model (FAA registry) - Registry code: 41557 - Manufacturer (registry): LYCOMING - Model: T53L-703 - Engine type: Turbo-shaft - Power: 1,400 hp - Installed in: 13 registered aircraft - Page: https://openairdocs.org/engine/lycoming-t53l-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. None matched. ## Registered aircraft (13) - [N197LE](https://openairdocs.org/aircraft/N197LE): [Army Aviation Heritage Foundation And Museum Inc](https://openairdocs.org/faa-owner/ARMY%20AVIATION%20HERITAGE%20FOUNDATION%20AND%20MUSEUM%20INC), [Hampton, GA](https://openairdocs.org/faa-place/GA/Hampton), built 1983, S/N 83-24197 - [N209AH](https://openairdocs.org/aircraft/N209AH): [Blr Aerospace LLC](https://openairdocs.org/faa-owner/BLR%20AEROSPACE%20LLC), [Everett, WA](https://openairdocs.org/faa-place/WA/Everett), built 1976, S/N 76-22605 - [N4582D](https://openairdocs.org/aircraft/N4582D): [Gmc Logging Inc](https://openairdocs.org/faa-owner/GMC%20LOGGING%20INC), [Riggins, ID](https://openairdocs.org/faa-place/ID/Riggins), built 1963, S/N 63-13163 - [N458CC](https://openairdocs.org/aircraft/N458CC): [Elkhorn Aviation Inc](https://openairdocs.org/faa-owner/ELKHORN%20AVIATION%20INC), [Baker City, OR](https://openairdocs.org/faa-place/OR/Baker%20City), built 1967, S/N 67-17678 - [N490AS](https://openairdocs.org/aircraft/N490AS): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 1964, S/N 64-13686 - [N517SF](https://openairdocs.org/aircraft/N517SF): [Celebrate Freedom Foundation Inc](https://openairdocs.org/faa-owner/CELEBRATE%20FREEDOM%20FOUNDATION%20INC), [West Columbia, SC](https://openairdocs.org/faa-place/SC/West%20Columbia), built 1980, S/N 80-23517 - [N589HF](https://openairdocs.org/aircraft/N589HF): [Army Aviation Heritage Foundation And Museum](https://openairdocs.org/faa-owner/ARMY%20AVIATION%20HERITAGE%20FOUNDATION%20AND%20MUSEUM), [Hampton, GA](https://openairdocs.org/faa-place/GA/Hampton), built 1967, S/N 67-15589 - [N703NP](https://openairdocs.org/aircraft/N703NP): [Lrh Equipment LLC](https://openairdocs.org/faa-owner/LRH%20EQUIPMENT%20LLC), [Pendleton, OR](https://openairdocs.org/faa-place/OR/Pendleton), built 1969, S/N 69-15602 - [N7115S](https://openairdocs.org/aircraft/N7115S): [Crosswind Leasing LLC](https://openairdocs.org/faa-owner/CROSSWIND%20LEASING%20LLC), [Prescott, AZ](https://openairdocs.org/faa-place/AZ/Prescott), built 1969, S/N 69-15580 - [N80NH](https://openairdocs.org/aircraft/N80NH): [Mccarty David](https://openairdocs.org/faa-owner/MCCARTY%20DAVID), [La Grande, OR](https://openairdocs.org/faa-place/OR/La%20Grande), built 1970, S/N 70-16267 - [N839UF](https://openairdocs.org/aircraft/N839UF): [Rice Aircraft Services Inc](https://openairdocs.org/faa-owner/RICE%20AIRCRAFT%20SERVICES%20INC), [Olivehurst, CA](https://openairdocs.org/faa-place/CA/Olivehurst), built 1969, S/N 8196 - [N874](https://openairdocs.org/aircraft/N874): [High Performance Helicopters Corp](https://openairdocs.org/faa-owner/HIGH%20PERFORMANCE%20HELICOPTERS%20CORP), [Crestline, CA](https://openairdocs.org/faa-place/CA/Crestline), built 1965, S/N 65-12874 - [N918TG](https://openairdocs.org/aircraft/N918TG): [Bell Asset Management Inc](https://openairdocs.org/faa-owner/BELL%20ASSET%20MANAGEMENT%20INC), [Higley, AZ](https://openairdocs.org/faa-place/AZ/Higley), S/N 65-10117 ## NTSB investigations (6) 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 CEN23LA295](https://openairdocs.org/ntsb/CEN23LA295), Jul 11, 2023: Bell UH-1H (N900VF), Woodlawn, IL, substantial damage. Probable cause: The separation of the tail boom from the fuselage for reasons that could not be determined. - [NTSB WPR20LA280](https://openairdocs.org/ntsb/WPR20LA280), Aug 19, 2020: Arrow-Falcon Exporters UH-1H (N711GH), Coalinga, CA, destroyed, 1 fatal. Probable cause: The pilot’s inability to maintain control of the helicopter due to a hydraulic system failure for reasons that could not be fully determined due to the thermal destruction from the postimpact fire. - [NTSB CEN18FA078](https://openairdocs.org/ntsb/CEN18FA078), Jan 18, 2018: Bell UH-1H (N658H), Raton, NM, destroyed, 5 fatal. Probable cause: The pilot's failure to maintain adequate altitude above mountainous terrain during cruise flight in dark night conditions, which resulted in controlled flight into terrain. - [NTSB WPR12LA279](https://openairdocs.org/ntsb/WPR12LA279), Jun 26, 2012: Bell UH-1F (N4582D), Concrete, WA, no damage. Probable cause: Arcing of an energized electrical power line to the external long line and the conduct of electrical energy to ground personnel. - [NTSB WPR12LA107](https://openairdocs.org/ntsb/WPR12LA107), Mar 1, 2012: Bell AH-1F (N197LE), Coolidge, AZ, substantial damage. Probable cause: A flight control malfunction while maneuvering for reasons that could not be determined because postaccident examination revealed no evidence of a mechanical malfunction or failure that would have… - [NTSB SEA01TA172](https://openairdocs.org/ntsb/SEA01TA172), Sep 17, 2001: Bell 205 (N458CC), Troy, MT, substantial damage. Probable cause: The pilot-in-command's failure to maintain seperation/clearance from trees while maneuvering. ## FAA accident and incident reports (6) 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. - [Accident 20230711010509A](https://openairdocs.org/incident/20230711010509A), Jul 11, 2023: Bell UH-1H (N900VF), Woodlawn, IL, Substantial damage. The aircraft was located in a farm field north east of Woodlawn IL. The lat/long of the accident scene is 38 degree 19 minutes 58 seconds north by 89 degrees… - [Accident 20200819012939A](https://openairdocs.org/incident/20200819012939A), Aug 19, 2020: Bell UH-1H (N711GH), Coalinga, CA, Destroyed, 1 fatal. On Wednesday, August 19, 2019, at 1015 PDT, a Bell UH-1H operated by Guardian helicopters, inc. was performing firefighting activities and working an active… - [Accident 20180117006579A](https://openairdocs.org/incident/20180117006579A), Jan 17, 2018: Bell UH-1H (N658H), Raton, NM, Substantial damage, 5 fatal. On January 18, 2018, at 1800 MST, a Bell UH-1H, N658H, flying to a private ranch on the new Mexico - Colorado border impacted the top of a mesa while on a… - [Accident 20120626011639A](https://openairdocs.org/incident/20120626011639A), Jun 26, 2012: Bell UH-1F (N4582D), Concrete, WA, No damage. On June 26, 2012, UH1F helicopter, N4582D, was involved in an accident injuring a ground worker while conducting external load operations in close proximity to… - [Accident 20120301003329A](https://openairdocs.org/incident/20120301003329A), Mar 1, 2012: Bell AH-1F (N197LE), Coolidge, AZ, Destroyed. Pilot stated that while conducting a pass heading north on runway 35 at approximately 50' AGL, he initiated a climbing right hand turn at a bank angle of… - [Incident 20070402006439I](https://openairdocs.org/incident/20070402006439I), Apr 2, 2007: Bell TAH1P (N2734D), Pontiac, MI, Minor damage. (-23) According to the instructor pilot, [privacy data omitted] while flaring to decelerate during a standard autorotation with power recovery, the tail rotor… --- 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.