Engine model · Turbo-prop · 750 hp · registry code 52260

Manufacturer (registry)
P&W CANADA
Model
PT6A-135A
Registry code
52260
Type
Turbo-prop
Power
750 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 · 4

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

1997In forceSuperseded2026
ADs by the year they took effect: 4 ADs
19971
20021
20121
20141
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 ('52260'))
  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

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 ('52260'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 160

See all 160 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 ('52260')
  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 · 10

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

NTSB CEN26LA116Accident · No injuriesClass 4 · LimitedFinal reportBeech C90 · Guymon, OKThe collision with a white-tailed deer during the takeoff in night visual conditions.Feb 14, 2026 · N247MD · Substantial damageNTSB CEN21FA238Accident · 2 fatalClass 3 · FieldFinal reportLancair Evolution · McDermott, OHThe pilot’s failure to recognize and avoid airframe icing conditions, which resulted in a loss of airplane performance and a subsequent loss of control and in-flight break-up.May 28, 2021 · N515DL · DestroyedNTSB WPR21LA142Accident · No injuriesClass 3 · LimitedFinal reportDavis Dan B Lancair Evolution · Phoenix, AZA malfunction of the main cabin door latching mechanism for reasons that could not be determined based on the available information.Mar 18, 2021 · N469KS · Substantial damageNTSB GAA19WA478Accident · No injuriesForeign investigationBeech C90 · Bucaramanga, ColombiaJul 11, 2019 · N989AE · Substantial damageNTSB WPR17FA155Accident · 2 fatalField investigationFinal reportEvolution 19 Lancair Evolution · Mesa, AZThe pilot's failure to maintain adequate airspeed while maneuvering for landing, which resulted in an exceedance of the airplane's critical angle of attack and a subsequent stall/spin. Contributing to the accident was the pilot's distraction due to a failure…Jul 17, 2017 · N571JM · Substantial damageNTSB WPR17LA104Accident · Minor injuriesClass 3 · LimitedFinal reportEvolution Air Lancair Evolution · Firebaugh, CAA failure in the windshield, frame, or windshield-to-frame bond, which resulted in a rapid decompression during cruise flight.May 15, 2017 · N846PM · Substantial damageNTSB WPR15LA242Accident · 1 fatalLimited investigationFinal reportBartels Lancair · Pacific Ocean (Pacific Ocean)The pilot's incapacitation for reasons that could not be determined because the airplane was not recovered from the ocean.Aug 14, 2015 · N427LE · DestroyedNTSB WPR15IA105Incident · No injuriesIncident investigationFinal reportEvo13 Lancair Evolution · San Carlos, CAThe collapse of the nose landing gear (NLG) due to the separation of the right trunnion pin from the NLG strut as a result of reverse-bending fatigue.Feb 15, 2015 · N3WB · Minor damageNTSB WPR13LA416Accident · Serious injuriesLimited investigationFinal reportBeech C90 - A · Idaho Falls, IDThe pilot's inadequate preflight fuel planning, which resulted in departure with insufficient fuel to complete the flight, and consequent inflight power loss due to fuel exhaustion.Sep 19, 2013 · N191TP · Substantial damageNTSB ATL84FA222Accident · No injuriesField investigationFinal reportPiper PA-32R-300 · Rock Hill, SCThe acft was destroyed in a post flt fire after a forced landing at night in a private yard. The engine had surged and lost power during the descent through 4500 ft prior to landing. The acft had been written up for sluggishness and lack of response to…Jul 18, 1984 · N400WS · Destroyed
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 ('52260')
  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 · 23

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

See all 23 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 ('52260')
  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 · 52

See all 52 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 = 'PT6A135A'
  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 · 8

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 ('52260')
    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 · 503

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 503 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-135A'])) > 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.