NTSB investigations: Pratt & Whitney PT6A-34 series

8 cases on aircraft whose registry engine model is Pratt & Whitney PT6A-34 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

20052026
NTSB investigations: Pratt & Whitney PT6A-34 series per year, 2005–2026: 8 cases
20051
20153
20221
20241
20252

Latest cases

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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.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.

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