NTSB investigations: Pratt & Whitney PT6A series, IA

12 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

20022026
NTSB investigations: Pratt & Whitney PT6A series, IA per year, 2002–2026: 12 cases
20021
20031
20073
20091
20102
20162
20191
20221

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\" = 'IA' 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 CEN22LA371Accident · No injuriesClass 4 · LimitedFinal reportAyres S2R-T65 · Wyman / Washington, IAThe pilot not maintaining sufficient altitude to clear an obstruction during the aerial application flight.Jul 21, 2022 · N9899 · Substantial damageNTSB CEN19FA259Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT502 · Sumner, IAThe pilot’s impairment by medical conditions and/or medications, which resulted in the airplane’s impact with power lines and terrain.Aug 8, 2019 · N6113C · DestroyedNTSB CEN16LA292Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 402 · Sac City, IAThe pilot's failure to maintain adequate clearance from power lines. Contributing to the accident was the pilot's failure to circle over the field to identify hazards before beginning the aerial application.Jul 29, 2016 · N1016G · DestroyedNTSB GAA16CA308Accident · No injuriesData collectionFinal reportCessna 208 · Fort Dodge, IAThe flight crew's failure to install the tail stand prior to passenger boarding, which resulted in a tail strike.Jun 5, 2016 · N750Z · Substantial damageNTSB CEN10CA445Accident · Minor injuriesData collectionFinal reportAir Tractor AT-502B · Zwingle, IAThe pilot's failure to maintain clearance from wires during the agricultural flight.Jul 28, 2010 · N6030U · Substantial damageNTSB CEN10FA119Accident · 1 fatalField investigationFinal reportPiper PA-31T · Forest City, IAThe pilot's failure to maintain airplane control during final approach.Feb 12, 2010 · N250TT · Substantial damageNTSB CEN09CA533Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · Whittemore, IAThe pilot's lack of preflight planning and remedial action with resulted in the airplane's inability to climb out of ground effect.Aug 17, 2009 · N5003C · Substantial damageNTSB CHI07CA259Accident · No injuriesData collectionFinal reportAir Tractor AT-502 · Creston, IAThe loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel calculations.Aug 9, 2007 · N9195G · Substantial damageNTSB CHI07LA246Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Hampton, IAThe pilot's failure to maintain directional control during landing. Contributing to the accident was a ditch.Aug 1, 2007 · N50877 · Substantial damageNTSB CHI07LA213Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-402A · Laurel, IAThe pilot failed to maintain clearance with the upsloping terrain for undetermined reasons.Jul 16, 2007 · N203DM · Substantial damageNTSB CHI03LA289Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502B · Westside, IAThe pilot's inadequate preflight planning/preparation which led to fuel exhaustion and subsequent loss of engine power. Contributing factors were the unsuitable terrain encountered, and the terrace/embankment.Aug 22, 2003 · N5007G · Substantial damageNTSB CHI02LA259Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-402A · Cherokee, IAThe pilot failed to maintain clearance with the power lines resulting in the rudder separation and the subsequent loss of aircraft control. A factor associated with the accident was the power line that was contacted.Aug 25, 2002 · N9032K · Substantial damage