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Pratt & Whitney Canada PT6A-114

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Engine model · Turbo-prop · 600 hp · registry code 52256

Manufacturer (registry)
P&W CANADA
Model
PT6A-114
Registry code
52256
Installed in
10 registered aircraft
Type
Turbo-prop
Power
600 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 · 5

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

1997In forceSuperseded2026
Superseded and historical ADs · 1
AD 2014-17-08Compressor turbine (CT) bladesHistoricalEffective Oct 8, 2014 · Replaced by AD 2014-17-08 R1
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 ('52256'))
  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 · 2

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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 ('52256'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 10

N208GERedemption Incorporated · Kodiak, AKBuilt 1986 · S/N 20800062N208JANv5 Geospatial Inc · Sheboygan Falls, WIBuilt 1997 · S/N 20800269N208JWFayard Enteprrises LLC · Wake Forest, NCBuilt 1986 · S/N 20800166N240GSCessna 208b-0994 Inc Trustee · Wilmington, DES/N 208B0994N40EAEagle Air Transport Inc · Ottawa, ILBuilt 1992 · S/N 20800084N675JZMercer Fraser Co · Brookings, ORBuilt 2015 · S/N 20800570N719HPWoolpert Inc · Dayton, OHBuilt 2006 · S/N 208B1191N9481FIsr Aviation LLC · Wilmington, DEBuilt 1985 · S/N 20800070N9536PPa1 208-00090 LLC · Fort Lauderdale, FLBuilt 1986 · S/N 20800090N9738BSensor Aircraft LLC · Plano, TXBuilt 1988 · S/N 208B0097
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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 ('52256')
  ORDER BY n_number"

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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 3 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 1 case with NTSB’s older coding, defined in its coding manual.

NTSB ANC11FA091Accident · 1 fatalField investigationFinal reportCessna 208B · Nightmute, AKThe failure of the pilot of the other airplane to maintain adequate clearance while performing an unexpected and unannounced abrupt maneuver, resulting in a midair collision between the two airplanes.Sep 2, 2011 · N207DR · 2 aircraft · DestroyedNTSB ANC10LA019Accident · No injuriesLimited investigationFinal reportCessna 208B · Kwigillingok, AKThe pilot's decision to take off with ice-contaminated wings in freezing rain and mist, which resulted in an aerodynamic stall.Feb 17, 2010 · N207DR · Substantial damageNTSB ERA09LA269Accident · No injuriesLimited investigationFinal reportCessna 208 · Frederick, MDA loss of engine power due to the failure of one or more compressor turbine blades for an undetermined reason.Apr 21, 2009 · N208JW · Substantial damageNTSB ANC97LA109Accident · No injuriesLimited investigationFinal reportCessna 208 · Naknek, AKThe pilots decision to continue the landing into adverse weather conditions and failure to maintain runway alignmet. A factor was the rain shower which resulted in reduced forward visibility.Jul 22, 1997 · N9481F · 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 ('52256')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

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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 20110902019482ACessna 208B · Nightmute, AKThe pilot in commands (PIC) of CE-207 N73789, and CE-208 N207DR, mutually agreed to operate as a flight of two from the vicinity of toksook bay, Alaska, to bethel, Alaska. In level cruise flight, the PIC of the 208, which was positioned to the left of the…Sep 2, 2011 · N207DR · Destroyed · 1 fatalAccident 20100217027739ACessna 208B · Kwigillingok, AKThe aircraft was departing with freezing rain. At approximately 200FT., the aircraft settleed as the right wing contacted the ground and the aircraft bounced back into the air.Feb 17, 2010 · N207DR · Substantial damageAccident 20090421004449ACessna 208 · Frederick, MD(-23) On roll out at fdk after a short flight from okv, the pilot heard a pop and observed the engine starting to spool down. He then turned off the runway and stopped when he saw smoke coming from the engine area and thought it was residual fuel. He then…Apr 21, 2009 · N208JW · Substantial damageAccident 19970721023309ACessna 208 · Naknek, AK(.19) On July 21, 1997, at 1730 Alaska daylight time, a Cessna 208 airplane, N9481F, sustained substantial damage when it departed the runway at the Tibbetts Airport, Naknek, Alaska, and impacted trees. The airline transport certificated pilot and two…Jul 21, 1997 · N9481F · Substantial damageIncident 19901121061309ICessna 208 · Millinocket, MEEngine quit in level flight. Forced landing on highway.Nov 21, 1990 · N9481FIncident 19901114065859ICessna 208 · Rochester, NHOil started spraying upon windshield in flight. Precautionary landing. Found oil dipstick had been left off.Nov 14, 1990 · N9481F
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 ('52256')
  ORDER BY event_date DESC, report_number DESC"

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Service difficulty reports · 164

SDR 141A2026062900001Engine · faultedDURING CLIMB TO CRUISE, PASSING THROUGH 6000 TO 8000 FT THE ENGINE ITT WAS AT 740, WITH THE POWER BEING SET AT ONLY 1200LBS OF TORQUE. WE WERE ONLY ABLE TO MAINTAIN CLIMB RATE OF 200-300 FPM WITH AIRSPEED AT 95-100 INDICATED KNOTS. AT CRUISE ALTITUDE OF 8000FTJun 29, 2026 · N9481F · Cessna 208 · Engine (Reciprocating)SDR ENHA202208150001Engine · unknownAFTER BEING CLEARED FOR TAKEOFF, PILOT LINED UP ON RUNWAY 20R IN KENAI AND ADVANCED POWER AND THEN PILOT NOTICED AN UNUSUAL SOUND COMING FROM THE ENGINE COMPARTMENT. PILOT THEN REDUCED POWER AND ABORTED THE TAKEOFF AND PROCEEDED TO TAXI BACK TO THE HANGER. MAug 13, 2022 · N9536P · Cessna 208 · Engine (Turbine/Turboprop)SDR ENHA202202110001Engine · flamed outDURING CRUISE FLIGHT, ENGINE SURGED, FLAMED OUT AND RESTARTED ON ITS OWN. TORQUE WENT FROM 1600 FT/LBS DOWN TO APPROXIMATELY 800 FT/LBS, AND JUMPED BACK UP TO 1600 FT/LBS. PILOT RETURNED TO BASE. NO TROUBLESHOOTING WAS BEEN PERFORMED AT TIME OF SUBMISSION.Feb 10, 2022 · N9536P · Cessna 208 · Engine (Turbine/Turboprop)
See all 164 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 = 'PT6A114'
  ORDER BY difficulty_date DESC"

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STCs that may be installed · 7

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 SE00002ENInstructions for Continued Airworthiness for the PT6A-34, -34AG, -34B, -36, -114, -114A, -116, -135, and -135A 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 SE09286SCInstallation of an alternate gas generator case.Airforce Turbine ServiceSTC 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 Support
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 ('52256')
    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 · 515

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 515 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-114'])) > 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.