Engine model · Turbo-prop · 680 hp · registry code 52141

Manufacturer (registry)
P & W
Model
PT6A-27
Registry code
52141
Type
Turbo-prop
Power
680 hp

The registry names only the engine series, so ADs for every model in the series are matched.

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Airworthiness directives that may apply · 11

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

1969In forceSuperseded2026
ADs by the year they took effect: 11 ADs
19691
19751
19771
19801
19901
19921
19971
20021
20112
20141
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('52141'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_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.

Information bulletins that may apply · 1

Query with SQL
duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('52141'))
  GROUP BY s.saib_number ORDER BY issue_date 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.

Registered aircraft · 28

See all 28 registered aircraft
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 ('52141')
  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.

NTSB investigations · 12

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

NTSB WPR25LA038Accident · No injuriesClass 3 · LimitedFinal reportDehavilland DHC-6-300 · Boulder City, NVA loss of directional control during the landing roll in gusting crosswind conditions.Nov 15, 2024 · N241SA · Substantial damageNTSB ERA22LA255Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-400A · Pemberton Township, NJThe pilot’s improper landing flare, which resulted in a hard, bounced landing and a subsequent loss of control.Jun 1, 2022 · N3658T · Substantial damageNTSB WPR20CA112Accident · No injuriesData collectionFinal reportDe Havilland DHC6 · Boulder City, NVThe trainee pilot's loss of directional control during landing and his subsequent unintentional control interference with the brakes and/or rudder during the trainer pilot's attempted remedial action, which resulted in a runway excursion and collision with a…Mar 6, 2020 · N72GC · Substantial damageNTSB ANC18LA027Accident · Serious injuriesLimited investigationFinal reportDehavilland DHC 6 Twin Otter · Arctic OceanThe flight crew's improper decision to deliberately operate the airplane at low altitude and along a flightpath that resulted in a collision with a pedestrian after takeoff. Contributing to the accident was the pedestrian's proximity to the runway.Mar 21, 2018 · N716JP · Substantial damageNTSB CEN17LA330Accident · No injuriesLimited investigationFinal reportAir Tractor AT 401 · Pearsall, TXThe fatigue crack of an engine cylinder, which resulted in a partial loss of engine power.Aug 24, 2017 · N4532F · Substantial damageNTSB ERA15LA343Accident · Serious injuriesLimited investigationFinal reportDehavilland DHC-6 · Louisburg, NCThe propeller’s movement to the beta position during landing for reasons that could not be determined during postaccident examination and testing, which resulted in an attempted go-around and subsequent loss of airplane control.Sep 6, 2015 · N181CS · Substantial damageNTSB CEN13LA239Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Bowling Green, MOThe failure of the engine supercharger's rear bearing, which resulted in the loss of engine power.Apr 24, 2013 · N23416 · Substantial damageNTSB ENG11IA032Incident · No injuriesIncident investigationFinal reportDehavilland DHC-6-300 · Peach Springs, AZA quality control failure in the Sungear, Inc. manufacturing and quality control process allowed sungears with surface finishes of the root fillet radius of the spline that did not conform to the drawing specifications to be released. The surface finish…May 21, 2011 · N178GC · No damageNTSB DEN00FA085Accident · No injuriesField investigationFinal reportde Havilland DHC-6-300 · Monument Valley, UTThe pilot-in-command's failure to maintain directional control. A factor was wind shear.May 5, 2000 · N241SA · Substantial damageNTSB ANC99LA064Accident · No injuriesLimited investigationFinal reportde Havilland DHC-6-300 · Anchorage, AKAn in-flight collision with a bird.May 25, 1999 · N72GC · Substantial damageNTSB FTW91DRD04Accident · Serious injuriesFinal reportAir Tractor AT 301 · Lake Providence, LAA loss of engine power for undetermined reasons resulting in a forced landing and nose over on landing.May 10, 1991 · N3658T · Substantial damageNTSB SEA79DYA27Accident · No injuriesClosedAir Tractor AT-301 · Newdale, IDAug 10, 1979 · N8791S · Substantial damage
Query with SQL
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 ('52141')
  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.

FAA incident reports · 21

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

See all 21 incident reports
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 ('52141')
  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.

Service difficulty reports · 642

See all 642 difficulty reports
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'PT6A27'
  ORDER BY difficulty_date 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.

STCs that may be installed · 26

Approved for this engine model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

See all 26 STCs
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
    WHERE engine_model_code IN ('52141')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_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.

PMA parts · 980

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

See all 980 PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('E2NE', 'E4EA')
    AND len(list_intersect(tcds_models, ['PT6A-27'])) > 0
  ORDER BY supplement_date DESC, drs_guid 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.