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Pratt & Whitney Canada PT6A-20

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Engine model · Turbo-prop · 550 hp · registry code 52239

Manufacturer (registry)
P&W CANADA
Model
PT6A-20
Registry code
52239
Installed in
21 registered aircraft
Type
Turbo-prop
Power
550 hp
Data sheet
TCDSE4EA
Holder
Pratt & Whitney Canada Corp.

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

On this page

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.

1968In forceSuperseded2026
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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 ('52239'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

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Information bulletins that may apply · 1

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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 ('52239'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 21

N18MYWorld Aircraft Leasing Inc · Wilmington, DES/N LJ562N24GRJackson Joel P · Bellevue, WABuilt 2007 · S/N 302SRN406CPCalcasieu Parish Police Jury · Lake Charles, LABuilt 1967 · S/N LM-9
See all 21 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 ('52239')
  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 · 4

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 2 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

Of 2 cases with NTSB’s older coding, defined in its coding manual.

NTSB CEN22FA216Accident · 1 fatalClass 3 · FieldFinal reportExpress 2000RG · Cheyenne, WYThe pilot's inability to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack while managing a loss of engine power and inflight fire, which resulted in an aerodynamic stall. Contributing factors to the accident were the loss…May 30, 2022 · N44508 · DestroyedNTSB WPR15LA179Accident · No injuriesLimited investigationFinal reportBurr Express 2000 RG · Glendale, AZA collapse of the left main landing gear for reasons that could not be determined based on the available information.May 29, 2015 · N44508 · Substantial damageNTSB FTW97LA169Accident · No injuriesLimited investigationFinal reportAir Tractor AT-400 · Fluvanna, TXThe loss of engine power due to the failure of the reduction gear box. A factor was the lack of suitable terrain for the forced landing.Apr 19, 1997 · N73127 · Substantial damageNTSB FTW88DQG02Accident · Serious injuriesFinal reportAir Tractor AT-301 · Lockney, TXAfter completing a swath run, the plt began a procedure turn to the right for another run. During the maneuver, the acft stalled & turned counterclockwise for about 180 deg before impacting the ground in a nose down, left wing low attitude.Oct 19, 1987 · N73127 · Substantial damage
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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 ('52239')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

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FAA incident reports · 8

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

Accident 20220530021699ABurr J G/Burr C Express 2000 RG · Cheyenne, WYLoss of engine power after take-off. Tried to return to runway, lost controlMay 30, 2022 · N44508 · Destroyed · 1 fatalAccident 20150529011979ABurr J G/Burr C Express 2000 RG · Glendale, AZOn 5-29-2015 the aircraft (N44508-express 2000RG-experimetal) landed normally and dring the rollout the left gear collasped, followed by the right gear collasping. The aircraft veered off the runway and slid in the dirt. The nose gear did not collaspe thus…May 29, 2015 · N44508 · Substantial damageIncident 20040406010809IBeech A60 · Las Cruces, NM(-23) On April 6, 2004, at approximately 1415 MDT, N62V, a Beechcraft duke, BE-60-A60, departed Las Cruces International Airport, Las Cruces, new Mexico (lru) enroute to deming, new Mexico (dmn). The pilot-in-command reports that on approach to dmn that he…Apr 6, 2004 · N62V · Minor damageAccident 19970419007399AAirtrc AT301 · Fluvanna, TXRough engine power loss on a swath run. Tore off gear bent wing landing. Remote gear box failed. Broke shaft blades (-23) see attached sheet; no narrative attached.Apr 19, 1997 · N73127 · Substantial damageIncident 19900525034199ICessna U206F · Las Vegas, NVPilot lost directional control of aircraft. Veered off runway and came to rest in a ditch.May 25, 1990 · N7351QIncident 19890707037699IAirtrc AT301 · Floydada, TXHit electrical power cable on spray run. Landed in corn field. Thought aircraft was above poles.Jul 7, 1989 · N73127 · Minor damageAccident 19871019060219AAirtrc AT301 · Lockney, TXCrashed during an aerial application maneuver. Cause was a stall spin maneuver at a low altitude in a turn around.Oct 19, 1987 · N73127 · Substantial damageIncident 19800726062699ICessna U206F · Canton, OKAircraft struck business band antenna during low pass.Jul 26, 1980 · N7351Q · 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 ('52239')
  ORDER BY event_date DESC, report_number DESC"

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Service difficulty reports · 197

SDR EBTR20170523015Engine · shutdownON DESCENT FROM UGN TO ARB HEARD POP, AIRCRAFT YAWED, NOTICED RIGHT ENGINE FUEL FLOW AND ITT DIMINISHING TO 0. VISUAL OF ENGINE COWL NO DEFECTS NOTED. FOLLOWED FLIGHT MANUAL PROCEDURES FOR ENGINE RESTART USING ISOLATION SWITCH NO FUEL FLOW OR ITT REGISTERED ANMay 20, 2017 · N4447W · Beech C90 · Engine (Turbine/Turboprop)SDR CTY2016F00001Engine · overheatedENGINE OVERHEATED AT 6000 FT ON CLIMBOUT. FEATHERED PROP AND RETURNED TO DEPARTURE. WILL BE DOING A TEARDOWN REPORT. WE ARE SENDING THE FUEL CONTROL UNIT OUT FOR TESTING. UNTIL THAT TIME, WE ARE NOT DRAWING ANY CONCLUSIONS.Aug 22, 2016 · N46CV · Beech C90 · Engine (Turbine/Turboprop)SDR AXSA2016080800001Governor · bypassingON FLIGHT, CALLED FLIGHT CONTROL VIA UNICOM AT 1140Z TO TELL US HE WAS TAXING BACK TO RAMP. WHILE INCREASING POWER FOR TAKEOFF, PROP WENT INTO FEATHER.Aug 5, 2016 · N195WA · Beech A99 · Propeller Governor
See all 197 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 = 'PT6A20'
  ORDER BY difficulty_date DESC"

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STCs that may be installed · 13

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.

STC SE00003ENInstructions for Continued Airworthiness for the PT6A-6/C20, -20, -20A and, -20B engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company IncSTC SE00014ENInstallation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models.Pratt & Whitney Engine Services Inc.STC SE00020ENInstallation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1Pratt & Whitney Engine Services Inc.STC SE2960SOInstallation of an oil filler cap safety adapter.Jet Avion CorporationSTC SE615GLIncorporation of a fuel flow transducer.Shadin AvionicsSTC SE09257SCConvert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration.Covington Aircraft Engines, Inc.STC SE659NEInstallation of oil tank filler neck check valve, P/N TSA-76A.Aviation Components SupportSTC SE1269EAStripping and recoating of compressor turbine blades, P/N 3023401, with Walbar Metals, Inc.Airwork CorporationSTC SE5601SWReplacement splined end and oil mist lubrication on accessory drive gearshaft.Aviall of Texas, IncSTC SE1165EAAssembly and installation of AW10262 wet spline starter gear seal.Airwork CorporationSTC SE4607SWRevise the starter-generator drive spline to provide lubrication with engine oil.Aviall of Texas, IncSTC SE4570SWRevise accessory drive spline, P/N 3008181.Aviall of Texas, IncSTC SE12CEInstallation of Gits Brothers Manufacturing Company dipstick filler cap assembly P/N 02297-2000.Gits Brothers Mfg Co
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 ('52239')
    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"

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PMA parts · 385

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.

3005293CPInsert, Fuel Control Drive ShaftCore Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 20263019136CPRing, PlasticCore Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 20263012928CPSpacer, SteppedCore Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
See all 385 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 ('E4EA')
    AND len(list_intersect(tcds_models, ['PT6A-20'])) > 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.