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Pratt & Whitney PT6A-34 series

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Engine model · Turbo-prop · 750 hp · registry code 52143

Manufacturer (registry)
P & W
Model
PT6A-34
Registry code
52143
Installed in
42 registered aircraft
Type
Turbo-prop
Power
750 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.

1975In forceSuperseded2026
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 ('52143'))
  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 ('52143'))
  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 · 42

N13SUDownwind LLC DBA · Salt Lake City, UTBuilt 2009 · S/N 152N141DZLiam 750 Inc · Charlevoix, MIBuilt 2008 · S/N XL 150N155VVVolatile Aero Ventures LLC · Boulder City, NVBuilt 2009 · S/N 155
See all 42 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 ('52143')
  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 · 8

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 7 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 WPR25LA250Accident · No injuriesClass 3 · LimitedPreliminary reportDe Havilland DHC-6-300 · San Celmente, CAOn August 11, 2025, at 1130 Pacific daylight time, a De Havilland DHC-6-300, N344CS, was substantially damaged when it was involved in an accident at San Clemente Island, California. The 2 pilots and 16 passengers were not injured. The airplane was operated…Aug 11, 2025 · N344CS · Substantial damageNTSB CEN25LA297Accident · Serious injuriesClass 3 · LimitedPreliminary reportAyres S2R · Akron, IAOn July 28, 2025, about 1537 central daylight time, an Ayres Corporation S2R-T34 airplane, N524SL, sustained substantial damage when it was involved in an accident near Akron, Iowa. The pilot sustained serious injuries. The airplane was operated as a Title 14…Jul 28, 2025 · N524SL · Substantial damageNTSB WPR24LA300Accident · No injuriesClass 4 · LimitedFinal reportPacific Aerospace 750XL · Mulino, ORThe skydiver’s unintentional parachute deployment and subsequent entanglement with the airplane’s horizontal stabilizer.Aug 31, 2024 · N902ST · Substantial damageNTSB CEN22LA372Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-3 · Talkeetna, AKThe pilot's failure to maintain directional control during the landing roll which resulted in a runway excursion and collision with a ditch.Jul 28, 2022 · N320KT · Substantial damageNTSB ERA16LA059Accident · No injuriesLimited investigationFinal reportPacific Aerospace 750XL · Raeford, NCThe pilot's failure to obtain the proper touchdown point and speed during a precautionary landing with the engine shut down. Contributing to the accident was an erroneous engine torque indication, which led the pilot to shut the engine down, for reasons that…Dec 3, 2015 · N216PK · Substantial damageNTSB WPR15IA244Incident · No injuriesIncident investigationFinal reportQuest Kodiac 100 · Page, AZThe pilot's inadvertent failure to engage the seat in the locked position before takeoff, which resulted in the seat sliding back during the takeoff roll and a subsequent loss of directional control. Contributing to the incident was the seat locking…Aug 17, 2015 · N771RT · Minor damageNTSB ERA15LA270Accident · No injuriesLimited investigationFinal reportAyres S2R T34 · Climax, GAA loss of thrust on takeoff for reasons that could not be determined, because postaccident examination of the engine and propeller assembly did not reveal any mechanical anomalies that would have precluded normal operation.Jul 9, 2015 · N524SL · Substantial damageNTSB ANC05LA110Accident · Serious injuriesLimited investigationFinal reportde Havilland DHC-3 · Ketchikan, AKAn electrical arc on the exterior of a fuel pressure line that initiated a fuel leak and fire during cruise flight, which resulted in serious injuries to the pilot as he performed an emergency landing on the water. A factor contributing to the accident was an…Jul 28, 2005 · N6868B · Minor 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 ('52143')
  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 · 26

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

Incident 20251004019659IPacific Aerospace 750XL · Cullman, ALA/c taxied and departed runway 20 with tow bar attached to front landing gear. Aircraft returned and landed runway 20 without incident. Propellor damage found post inspection.Oct 4, 2025 · N750VX · Minor damageAccident 20250811011519ADehavilland DHC-6-300 · San Clemente Is, CABoth left and right propellers were installed after overhaul, the low pitch blade angles were adjusted and the beta rods jam nuts were safety wired in error. The wrongly installed safety wire induced excessive beta ring run-out on the left beta ring which…Aug 11, 2025 · N344CS · Substantial damageAccident 20250728009929AAyres S2R-T34 · Akron, IADuring flight the aircraft sustained engine failure. The pilot made a forced landing in a soybean field. The aircraft came to rest in an inverted position.Jul 28, 2025 · N524SL · Substantial damage
See all 26 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 ('52143')
  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 · 465

SDR 2025F00092Rivet · looseTHERE ARE FOUR RIVETS AROUND THE MLG FRAMES (INSIDE THE FUSELAGE, ALONG THE SEAT TRACKS) THAT ARE SMOKING (TWO ON THE RIGHT SIDE OF THE FUSELAGE, TWO ON THE LEFT SIDE). ON ANOTHER KODIAK 100 OUR ORGANIZATION OPERATES IN KALIMANTAN, INDONESIA, ONE OF THESE RIVApr 13, 2025 · Quest KODIAK100 · Fuselage Main, StructureSDR 2024FA0000334Lock Fastener · looseAFT WING FITTING LOCK FASTENERS FOUND LOOSE ON LEFT AND RIGHT WING. ADDRESSED IN PIPPER SB820A BUT NOT APPLICABLE TO THIS MODEL AIRCRAFT AND SHOULD BE.Jan 11, 2024 · N423JT · Piper PA46350P · Fuselage, Wing Attach FittingsSDR 2022F00200Lamp · brokenTHE PILOT REPORTED A VISIBLE PUFF OF SMOKE FROM THE OVERHEAD PANEL AREA TO MAINTENANCE. MAINTENANCE FOUND TWO WHEAT BULBS BROKEN AND POSSIBLY SHORTED TOGETHER IN DE-ICE PANEL BACK LIGHTING. NO OTHER ELECTRICAL ISSUES WERE FOUND. ALL SYSTEMS WERE FUNCTIONAL.Apr 7, 2022 · N117WA · Emb EMB110P1 · Flight Compartment Lighting
See all 465 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 = 'PT6A34'
  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 · 18

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 SE02170ATInstallation of Pc Safety Valve KitBell Helicopter Textron Inc.STC 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.
See all 18 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 ('52143')
    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 · 1,000+

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, 20263005293CPInsert, Fuel Control Drive ShaftCore Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 20263006718LASTRIP, INSULATINGLanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
See all 1,000+ 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-34', 'PT6A-34B', 'PT6A-34AG'])) > 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.