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Pratt & Whitney Canada PT6C-67C

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Engine model · Turbo-shaft · 1,679 hp · registry code 52174

Manufacturer (registry)
P&W CANADA
Model
PT6C-67C
Registry code
52174
Installed in
125 registered aircraft
Type
Turbo-shaft
Power
1,679 hp
Data sheet
TCDSE00068EN
Holder
Pratt & Whitney Canada Corp.

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

On this page

Airworthiness directives that may apply · 1

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

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 ('52174'))
  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 · 125

N107LCIntegrity Aircraft Title Holdings LLC · Portland, ORBuilt 2007 · S/N 31074N109DRBristow LLC · Lake Charles, LAS/N 31311N118JMMjm Aviation LLC · Piscataway, NJBuilt 2010 · S/N 41251
See all 125 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 ('52174')
  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 · 5

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

NTSB CEN22LA430Accident · No injuriesClass 3 · LimitedFinal reportAgusta AW139 · Houma, LAThe inflight loss of collective control of the helicopter due to thermal damage of a collective control torque tube that abraded with misrouted electrical wiring, which resulted in an electrical short and inflight fire. Contributing to the accident were the…Sep 24, 2022 · N811TA · Substantial damageNTSB ERA19FA210Accident · 7 fatalClass 2 · FieldFinal reportAgusta AW139 · Big Grand Cay, BahamasThe pilots’ decision to takeoff over water in dark night conditions with no external visual reference, which resulted in spatial disorientation and subsequent collision with the water. Also causal was the pilots’ failure to adequately monitor their…Jul 4, 2019 · N32CC · Substantial damageNTSB ANC17LA051Accident · No injuriesClass 3 · LimitedFinal reportLeonardo AW139 · Tujunga, CAA yaw excursion and uncontrolled descent due to loss of tail rotor effectiveness during aerial firefighting operations resulting in an impact with trees. A contributing factor was the pilot’s failure to maintain sufficient airspeed, coupled with a quartering…Sep 2, 2017 · N304FD · Substantial damageNTSB CEN16LA401Accident · No injuriesLimited investigationFinal reportAgustawestland Philadelphia AW139 · Galliano, LAThe fatigue failure of a tail rotor blade erosion shield extension, which resulted in in-flight damage to a main rotor blade.Apr 7, 2016 · N639NA · Substantial damageNTSB CEN13FA025Accident · Serious injuriesField investigationFinal reportAgusta AW139 · Houma, LAThe helicopter’s sudden and severe vertical vibrations during landing, which resulted in a collision with terrain. The reason for the helicopter’s sudden and severe vertical vibrations could not be determined during postaccident examinations.Oct 22, 2012 · N385RH · 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 ('52174')
  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 · 6

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

Accident 20220924011169AAgustawestland Philadelphia AW139 · Houma, LAAircraft was inbound to the Houma airport from an offshore oil platform with 4 passangers and 2 pilots. Pilots began their initial decent from 4500 feet to 500 feet. Passangers and crew noticed a plastic burning smell when they started their decent. No…Sep 24, 2022 · N811TA · Substantial damageAccident 20190704012299AAgusta AW139 · Grand Cay, BHOn July 4, 2019, about 0154 eastern daylight time, an Agusta s.p.a. AW139, N32CC, owned by challenger management LLC, impacted the atlantic ocean near big Grand Cay, abaco, Bahamas. The commercial pilot, airline transport rated co-pilot, and five passengers…Jul 4, 2019 · N32CC · Destroyed · 7 fatalAccident 20170902015879AAgusta AW-139 · Tujunga, CAWhile fire fighting (dropping water), N304FD(la city fire) descended into trees causing damage to the underside and rear of helicopter. The helicopter managed to land at a near by high school football field. No injuries.Sep 2, 2017 · N304FD · Substantial damageIncident 20150213001639IAgustawestland Philadelphia AW139 · Rock Hall, MDWhile in cruise on a maintenance validation flight, the right door window departed the aircraft. The aircraft was 2 NM northwest of Rock Hall, MD and over the chesapeake bay when the window left the aircraft.Feb 13, 2015 · N389MD · Minor damageAccident 20121022024439AAgusta AW139 · Houma, LAOn October 22, 2012, at 0100 central daylight time, an Agusta Spa AW139 helicopter, N385RH, collided with the terrain following a loss of control while the helicopter was being repositioned on the Houma-Terrebonne Airport (khum), Houma, Louisiana. Neither of…Oct 22, 2012 · N385RH · Substantial damageIncident 20111111027319IAgusta AB139 · Leeville, LAPilot preflighted aircraft for a flight to GC640. Upon landing at GC640 it was discovered that the #2 engine cowling had come loose striking the main rotor blades causing minor damage.Nov 11, 2011 · N139FW · 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 ('52174')
  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 · 131

SDR 2026FA0000904Hydraulic Line · rupturedDURING A START SEQUENCE FOR A MAINTENANCE/ AIRCRAFT GROUND RUN A COMPLETE #2 HYDRAULIC SYSTEM FAILURE OCCURRED. CREW NOTED AFTER ENGINE MODE SWITCHES WAS PLACED INTO 'FLIGHT' #2 HYDRAULIC PRESSURE DROPPED RAPIDLY, ACCOMPANIED BY CAS MESSAGES ILLUMINATING AND Oct 24, 2026 · N9YTKD · Agusta AW139 · Hydraulic System, MainSDR 2026FA0000825Hydraulic Line · rupturedDURING CRUISE AFTER DEPARTING, BTWN 5-10 MINUTES AFTER TAKE-OFF, AROUND 2000FT AND APPROX 140KTS, CREW NOTICED A CAS MSG HYD1 MIN, FOLLOWED BY 1 HYD PUMP, 1 HYD PRESS, 1 SERVO & EMERG UTIL PRESS CAUTIONS ILLUMINATED. AT THE POINT OF CAS INDICATIONS; MLG WEREOct 7, 2026 · N9YTKD · Agusta AW139 · Hydraulic System, MainSDR 2026FA0000526Windshield · crackedCREW REPORTED THAT UPON LANDING A “POP” SOUND WAS HEARD. SUBSEQUENT MULTIPLE CRACKS OBSERVED ON THE LT HEATED GLASS WINDSHIELD COMMENCING FROM AROUND THE BOTTOM RIGHT CORNER OF THE WINDSHIELD PROPAGATING VERTICALLY UPWARDS AND HORIZONTALLY LEFT ACROSS THE BOTTJun 17, 2026 · N9YENT · Agusta AW139 · Flight Compartment Windows
See all 131 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 = 'PT6C67C'
  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.

PMA parts · 110

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.

3015234AANut, Self-Locking, ShankAero Attitude, LLC · PMA PQ00001CB · Replaces 3015234, 3015233, 3015232, 3016299… · Aug 7, 2024CH92106-5Exciter-IgnitionChampion Aerospace LLC · PMA PQ1287CE · Replaces Champion… · May 12, 2023CH92106-5Exciter-IgnitionChampion Aerospace LLC · PMA PQ1287CE · Replaces Pratt & Whitney Canada … · May 12, 2023
See all 110 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 ('E00068EN')
    AND len(list_intersect(tcds_models, ['PT6C-67C'])) > 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.