Engine model · Turbo-shaft · 925 hp · registry code 51524

Manufacturer (registry)
P & W
Model
PT6T-6
Registry code
51524
Type
Turbo-shaft
Power
925 hp
Data sheet
TCDSE22EA
Holder
Pratt & Whitney Canada Corp.

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

On this page

Airworthiness directives that may apply · 3

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

1976In forceSuperseded2026
ADs by the year they took effect: 3 ADs
19761
19781
19791
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 ('51524'))
  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.

Registered aircraft · 1

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 ('51524')
  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 · 1

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 1 case 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

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 ('51524')
  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 · 1

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

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 ('51524')
  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 · 15

SDR CA180510007Wire · chafed(CAN) PART NUMBERS: D38999/26WA98SN AND 30-269-1P09N05 WIRING THROUGH EMI CONNECTOR CONTACTS AND CHAFES ON BACKSHELL 90 DEGREE BEND AND SHORTS TO GROUND GIVING ERRONEOUS CREW ALERTING SYSTEM MESSAGES. IN THIS CASE IT WAS ON THE TRANSMISSION FULL FLOW DEBRIS MMay 10, 2018 · Bell 412EP · Main Rotor System WiringSDR CA150408017Turbine Wheel · fractured(CAN) CUSTOMER REPORTED SEEING FLAMES EXITING THE ENGINE EXHAUST DUCT WHILE THE HELICOPTER WAS IN HOVER. ACFT LANDED AND EMERGENCY SHUTDOWN WAS PERFORMED. BORESCOPE INSPECTION OF THE ENGINE HOT SECTION REVEALED DISTRESSED, FRACTURED, CT BLADES THROUGHOUT THE Mar 31, 2015 · Turbine SectionSDR CA121105014Fcu · malfunctioned(CAN) AFTER LANDING, UPON ROTATING THROTTLE FROM FLY TO IDLE, THE ENGINE SHUT DOWN UNEXPECTEDLY. THE ENGINE WAS RE-STARTED AND EXHIBITED SIGNS OF COMPRESSOR STALL AND SO IT WAS SHUTDOWN IMMEDIATELY. THE OPERATOR HAS ALREADY REPLACED THE FUEL CONTROL UNIT WHICOct 19, 2012 · Agusta A119 · Fuel Control/Turbine EnginesSDR CA111214009Servo · defective(CAN) PART RECEIVED FROM CUSTOMER AS ZERO TIME FROM OVERHAUL. CUSTOMER REPORTED THAT LOWER CYLINDER LOCKS, WILL NOT EXTEND. SUSPECT IMPROPER BYPASS & SERVO LOWER CYLINDER SP & SI TIMING. SERVO FUNCTIONALLY CHECKED PRIOR TO DISASSEMBLY. THE SERVO LOWER PISTODec 14, 2011 · Bell 212 · Rotorcraft Servo SystemSDR CA070625003Door · detached(CAN) WHILE IN NORMAL CRUISE FLIGHT, THE PILOT`S DOOR DEPARTED THE ACFT. THE PROBABLE CAUSE WOULD BE IMPROPER INSTALLATION OF THE DOOR. THE PILOT LANDED AS SOON AS PRACTICAL AND INSPECTED THE ACFT FOR ANY OTHER DAMAGE. NONE FOUND. THE PILOT REMOVED THE CO-Jun 21, 2011 · Bell 212 · Passenger/Crew DoorsSDR 901CHI0208Door · departedDURING POSTFLIGHT INSPECTION, AFTER LANDING, MAINT DISCOVERED CABIN DOOR WAS MISSING. INSP OF AC FOUND NO DAMAGE OR MISSING COMPONENTS OTHER THAN DOOR. REPLACEMENT DOOR WAS INSTALLED AND OPS CHECKED WITH NO DISCREPANCIES NOTED TO AIRFRAME, DOOR MOUNTING, STRUCFeb 21, 2008 · N901CH · Skrsky S58T · Passenger/Crew DoorsSDR 901012008Door · departedDURING POSTFLIGHT INSP, AFTER LANDING, MAINT DISCOVERED CABIN DOOR WAS MISSING. INSP OF AC FOUND NO DAMAGE OR MISSING COMPONENTS OTHER THAN DOOR. REPLACEMENT DOOR WAS INSTALLED AND OPS CHECKED WITH NO DISCREPANCIES NOTED TO AIRFRAME, DOOR MOUNTING, STRUCTURE AFeb 17, 2008 · N901CH · Skrsky S58T · Passenger/Crew DoorsSDR 9010208Door · departedDURING POSTFLIGHT INSPECTION, AFTER LANDING, MAINT DISCOVERED CABIN DOOR WAS MISSING. INSPECTION OF AIRCRAFT FOUND NO DAMAGE OR MISSING COMPONENTS OTHER THAN DOOR. REPLACEMENT DOOR WAS INSTALLED AND OPS CHECKED WITH NO DISCREPANCIES NOTED TO AIRFRAME, DOOR MOUFeb 17, 2008 · N901CH · Skrsky S58T · Passenger/Crew DoorsSDR CA071205007Engine · making metal(CAN) CREW HEARD A METALLIC BANG FROM THE ENGINE AREA, FOLLOWED BY CAUTION LIGHTS. ENGINE WAS SHUTDOWN AND AIRCRAFT LANDED. SUBSEQUENT INITIAL INSPECTION REVEALED DEBRIS ON THE OIL FILTER. ENGINE IS BEING REMOVED FOR INVESTIGATION. P&WC WILL CONTINUE INVESTIGANov 30, 2007 · Bell 412 · Engine (Turbine/Turboprop)SDR CA040928010Compressor · cracked(CAN) THE COMPRESSOR TURBINE DISK WAS INSTALLED ON AGUSTA BELL AB212. A CRACK INDICATION WAS FOUND DURING OVERHAUL NDT. PWC WILL CONDUCT INVESTIGATION TO ESTABLISH ROOT CAUSE.Sep 27, 2004 · Turbine Engine Compressor SectionSDR CA971125003Blade · debonding(CAN) DEBONDING OF POCKET FROM MAIN ROTOR BLADE. A SECTION 8 INCHES BY 8 INCHES CAME OFF.Oct 21, 1997 · Skrsky S58ET · Main Rotor BladesSDR 96ZZZX4781Engine · stallsDURING HIGH POWER DEMANDS, COMPRESSOR STALLS NOTED BY PILOT. DURING ACCELERATION CHECKS ON GROUND, MECHANIC NOTED COMPRESSOR STALLS. NYH BELIEVES THE COMPRESSOR STALLS ARE DUE TO DAMAGED 1ST STAGE COMPRESSOR BLADES (FOD). POWER SECTION REMOVED IAW S58T MM AAug 7, 1996 · N129NH · Skrsky S58ET · Engine (Turbine/Turboprop)SDR CA960826104Clutch Assembly · disengaged(CAN) THE HELICOPTER WAS LIFTING A LOAD, WHEN THE FREEWHEEL CLUTCH INSIDE THE COMBINING GEARBOX DECOUPLED OR DISENGAGED ON THE #2 ENGINE SIDE. THE #2 ENGINE WENT TO FLIGHT IDLE. THE PILOT RELEASED THE LOAD AND LANDED AS SOON AS POSSIBLE. THE COMBINING GEARBJul 10, 1996 · Engine/Transmission CouplingSDR CA960826105Transmission · making metal(CAN) MAIN GEARBOX REMOVED DUE TO METAL FOUND IN OIL FILTERJul 3, 1996 · Skrsky S58ET · Main Rotor GearboxSDR 95ZZZX1334Accumulator · leakingDURING POWER PLANT OPERATION, FUEL ACCUMULATOR STARTED TO LEAK FUEL FROM THE FRONT SEAM. ACCUMULATOR WAS REPLACED AT THAT TIME.Mar 8, 1995 · N581SR · Skrsky S58JT · Engine Fuel Distribution
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 = 'PT6T6'
  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 · 2

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.

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 ('51524')
    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 · 454

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 454 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 ('E22EA')
    AND len(list_intersect(tcds_models, ['PT6T-6'])) > 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.