Lycoming T53L-703 airworthiness directives

Manufacturer (registry): LYCOMING
Model: T53L-703
Registry code: 41557
Installed in: 13 registered aircraft
Type: Turbo-shaft
Power: 1,400 hp

Model codes come from the FAA registry’s reference file.

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Airworthiness directives that may apply · 0

ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.

No ADs matched this model

Registered aircraft · 13

N197LEArmy Aviation Heritage Foundation And Museum Inc · Hampton, GABuilt 1983 · S/N 83-24197 N209AHBlr Aerospace LLC · Everett, WABuilt 1976 · S/N 76-22605 N4582DGmc Logging Inc · Riggins, IDBuilt 1963 · S/N 63-13163 N458CCElkhorn Aviation Inc · Baker City, ORBuilt 1967 · S/N 67-17678 N490ASBell Textron Inc · Fort Worth, TXBuilt 1964 · S/N 64-13686 N517SFCelebrate Freedom Foundation Inc · West Columbia, SCBuilt 1980 · S/N 80-23517 N589HFArmy Aviation Heritage Foundation And Museum · Hampton, GABuilt 1967 · S/N 67-15589 N703NPLrh Equipment LLC · Pendleton, ORBuilt 1969 · S/N 69-15602 N7115SCrosswind Leasing LLC · Prescott, AZBuilt 1969 · S/N 69-15580 N80NHMccarty David · La Grande, ORBuilt 1970 · S/N 70-16267 N839UFRice Aircraft Services Inc · Olivehurst, CABuilt 1969 · S/N 8196 N874High Performance Helicopters Corp · Crestline, CABuilt 1965 · S/N 65-12874 N918TGBell Asset Management Inc · Higley, AZS/N 65-10117

Query with SQL

duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE engine_model_code IN ('41557')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('41557')
ORDER BY n_number

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB investigations · 6

Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Defining event, 2008 on

Of 5 cases NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

In flight collision with object1 case

Of 1 case with NTSB’s older coding, defined in its coding manual.

NTSB CEN23LA295Accident · No injuriesClass 3 · LimitedFinal reportBell UH-1H · Woodlawn, ILThe separation of the tail boom from the fuselage for reasons that could not be determined.Jul 11, 2023 · N900VF · Substantial damage NTSB WPR20LA280Accident · 1 fatalClass 3 · LimitedFinal reportArrow-Falcon Exporters UH-1H · Coalinga, CAThe 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.Aug 19, 2020 · N711GH · Destroyed NTSB CEN18FA078Accident · 5 fatalField investigationFinal reportBell UH-1H · Raton, NMThe pilot's failure to maintain adequate altitude above mountainous terrain during cruise flight in dark night conditions, which resulted in controlled flight into terrain.Jan 18, 2018 · N658H · Destroyed NTSB WPR12LA279Accident · Serious injuriesLimited investigationFinal reportBell UH-1F · Concrete, WAArcing of an energized electrical power line to the external long line and the conduct of electrical energy to ground personnel.Jun 26, 2012 · N4582D · No damage NTSB WPR12LA107Accident · Minor injuriesLimited investigationFinal reportBell AH-1F · Coolidge, AZA 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 precluded normal operation.Mar 1, 2012 · N197LE · Substantial damage NTSB SEA01TA172Accident · No injuriesFinal reportBell 205 · Troy, MTThe pilot-in-command's failure to maintain seperation/clearance from trees while maneuvering.Sep 17, 2001 · N458CC · Substantial damage

Query with SQL

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey WHERE a.engine_model_code IN ('41557') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.engine_model_code IN ('41557')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('41557')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

FAA incident reports · 6

Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.

Accident 20230711010509ABell UH-1H · Woodlawn, ILThe 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 01 minutes 25 seconds west as shown on google earth. The scene of the accident is approximately 1/3…Jul 11, 2023 · N900VF · Substantial damage Accident 20200819012939ABell UH-1H · Coalinga, CAOn Wednesday, August 19, 2019, at 1015 PDT, a Bell UH-1H operated by Guardian helicopters, inc. was performing firefighting activities and working an active fire near the town of Coalinga, CA. The pilot reported he heard a noise and was going to make a…Aug 19, 2020 · N711GH · Destroyed · 1 fatal Accident 20180117006579ABell UH-1H · Raton, NMOn 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 personal flight. Visual meteorological conditions prevailed at the time, and a VFR flight plan was…Jan 17, 2018 · N658H · Substantial damage · 5 fatal Accident 20120626011639ABell UH-1F · Concrete, WAOn June 26, 2012, UH1F helicopter, N4582D, was involved in an accident injuring a ground worker while conducting external load operations in close proximity to high voltage transmission lines. N4582D was positioning a Concrete bucket over a high tension power…Jun 26, 2012 · N4582D · No damage Accident 20120301003329ABell AH-1F · Coolidge, AZPilot 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 between 45 and 60 degrees in which he intended to land following completion of the turn. Pilot stated…Mar 1, 2012 · N197LE · Destroyed Incident 20070402006439IBell TAH1P · Pontiac, MI(-23) According to the instructor pilot, [privacy data omitted] while flaring to decelerate during a standard autorotation with power recovery, the tail rotor struck the ground due to a higher than normal pitch attitude. The pilot [privacy data omitted]…Apr 2, 2007 · N2734D · Minor damage

Query with SQL

duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE engine_model_code IN ('41557')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('41557')
ORDER BY event_date DESC, report_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Service difficulty reports

No reports name this modelGeneral aviation reporting is voluntary.