NTSB investigations: Pratt & Whitney PT6A series, ND

10 cases on aircraft whose registry engine model is Pratt & Whitney PT6A 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

19982026
NTSB investigations: Pratt & Whitney PT6A series, ND per year, 1998–2026: 10 cases
19981
20001
20041
20081
20111
20131
20151
20182
20231

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.\"eventStateOrRegion\" = 'ND' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034'))
  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 CEN23LA377Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-502 · Great Bend, NDThe pilot’s hard landing on a road and subsequent loss of control, resulting in the airplane impacting a ditch.Aug 15, 2023 · N9082C · Substantial damageNTSB WPR18LA234Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT 400 · Grand Forks, NDThe loss of engine power while maneuvering due to the failure of the power turbine blade assembly for reasons that could not be determined based on available evidence.Aug 21, 2018 · N7300M · Substantial damageNTSB CEN18LA249Accident · No injuriesLimited investigationFinal reportAir Tractor AT502 · Tappen, NDThe partial loss of engine power for reasons that could not be determined based on the available evidence.Jun 28, 2018 · N502S · Substantial damageNTSB CEN16LA089Accident · No injuriesLimited investigationFinal reportCessna 208B · Grand Forks, NDThe pilot's failure to properly calculate the airplane's weight and balance and center of gravity, which resulted in the tail striking the ground.Nov 11, 2015 · N617ST · Substantial damageNTSB CEN13LA353Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-802A · Minot, NDThe pilot’s failure to maintain adequate clearance from trees during an aerial application flight.Jun 16, 2013 · N8522S · Substantial damageNTSB CEN11LA593Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-400 · Monango, NDThe pilot did not maintain adequate separation from a tree during the aerial-application flight.Aug 23, 2011 · N23720 · Substantial damageNTSB CHI08CA201Accident · Minor injuriesData collectionFinal reportGrumman G-164D · Esmond, NDThe pilot's delay in advancing the throttle during the takeoff which resulted in inadequate airspeed and the subsequent stall/mush. Factors associated with the accident were the leaking hopper, the pilot continuing to operate the airplane with the known…Jul 21, 2008 · N996QC · Substantial damageNTSB CHI04LA278Accident · Serious injuriesLimited investigationFinal reportCessna 208B · Gwinner, NDThe pilot's failure to maintain altitude during the circling maneuver. Contributing factors were the pilot's improper decision to execute the approach when weather conditions were below minimums and the low light (dark night) conditions.Sep 24, 2004 · N7392B · Substantial damageNTSB CHI00LA177Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Portland, NDthe pilot intentionally operated the airplane with known damage on the left wing which resulted in the pilot's inability to maintain control of the airplane during takeoff.Jun 29, 2000 · N91891 · Substantial damageNTSB CHI98LA243Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502 · Minto, NDthe pilot's selection of unsuitable terrain for takeoff. Factors were wet and soft runway conditions, and a ditch and the end of the overrun area.Jul 9, 1998 · N9185C · Substantial damage