# NTSB investigations: Boeing A75N1(PT17): Collision with terr/obj (non-CFIT)

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR25LA059](https://openairdocs.org/ntsb/WPR25LA059.md): Boeing A75N1(PT17) · El Cajon, CA · Accident · No injuries · Class 4 · Limited · Final report · Dec 8, 2024 · N9199R · Substantial damage
  > The pilot’s inability to maintain directional control during landing with a flat tire.
- [NTSB ERA25LA047](https://openairdocs.org/ntsb/ERA25LA047.md): Boeing A75N1(PT17) · Huntington, WV · Accident · No injuries · Class 3 · Limited · Final report · Nov 18, 2024 · N55464 · Substantial damage
  > The pilot’s failure to utilize carburetor heat while operating the engine at low power and in conditions conducive to the formation of carburetor ice, which resulted in a total loss of engine power due to carburetor icing.
- [NTSB WPR23LA343](https://openairdocs.org/ntsb/WPR23LA343.md): Boeing A75N1(PT17) · Monticello, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 13, 2023 · N10KP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined.
- [NTSB CEN22LA395](https://openairdocs.org/ntsb/CEN22LA395.md): Boeing A75N1(PT17) · Prue, OK · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 27, 2022 · N132JD · Substantial damage
  > The pilot’s failure to maintain clearance from power lines during intentional low-level maneuvering.
- [NTSB WPR21LA208](https://openairdocs.org/ntsb/WPR21LA208.md): Boeing A75N1(PT17) · Hollister, CA · Accident · Minor injuries · Class 3 · Limited · Final report · May 26, 2021 · N75016 · Substantial damage
  > The improper installation of a relief valve spring that was shorter than the standard spring length, which slowed the response of the propeller governor to change the pitch of the blades during climbout, resulting in a partial loss of power.
- [NTSB WPR19LA125](https://openairdocs.org/ntsb/WPR19LA125.md): Stearman A75N1(PT17) · Sequim, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 28, 2019 · N68825 · Substantial damage
  > The total loss of engine power due to the fatigue failure of the crankshaft.
- [NTSB GAA19CA009](https://openairdocs.org/ntsb/GAA19CA009.md): Stearman A75N1(PT17) · New Orleans, LA · Accident · No injuries · Data collection · Final report · Oct 6, 2018 · N56949 · Substantial damage
  > The pilot’s failure to maintain directional control during a crosswind landing.
- [NTSB WPR17LA197](https://openairdocs.org/ntsb/WPR17LA197.md): Boeing A75N1(PT17) · Santa Paula, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 4, 2017 · N75753 · Substantial damage
  > A partial loss of engine power during initial climb for reasons that could not be determined based on the available information.
- [NTSB GAA17CA053](https://openairdocs.org/ntsb/GAA17CA053.md): Boeing A75N1(PT17) · Valley Center, KS · Accident · No injuries · Data collection · Final report · Oct 22, 2016 · N68117 · 2 aircraft · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll and to see and avoid the airplane stopped on the edge of the runway.
- [NTSB GAA16CA467](https://openairdocs.org/ntsb/GAA16CA467.md): Boeing A75N1(PT17) · Atlanta, TX · Accident · No injuries · Data collection · Final report · Sep 5, 2016 · N52236 · Substantial damage
  > The pilot's failure to attain the proper touchdown point on a grass airstrip and the airplane's subsequent collision with trees during an attempted aborted landing.
- [NTSB WPR16FA169](https://openairdocs.org/ntsb/WPR16FA169.md): Boeing A75N1(PT17) · Madras, OR · Accident · 1 fatal · Field investigation · Final report · Aug 27, 2016 · N999PP · Destroyed
  > The pilot's failure to maintain clearance from the runway during a low-level aerobatic maneuver. Contributing to the accident was a high density altitude and the pilot's failure to plan/adequately compensate for high density altitude conditions.
- [NTSB CEN15LA294](https://openairdocs.org/ntsb/CEN15LA294.md): Boeing A75N1 (PT17) · Louisburg, KS · Accident · No injuries · Limited investigation · Final report · Jul 2, 2015 · N44SN · Substantial damage
  > A partial loss of engine power for reasons that could not be determined during postaccident examinations.
- [NTSB ERA15CA162](https://openairdocs.org/ntsb/ERA15CA162.md): Boeing A75N1(PT17) · St Marys, PA · Accident · No injuries · Data collection · Final report · Mar 12, 2015 · N7772J · Substantial damage
  > The pilot's failure to maintain directional control while landing in a gusty crosswind, which resulted in a runway excursion and a nose over.
- [NTSB CEN12CA405](https://openairdocs.org/ntsb/CEN12CA405.md): Boeing A75N1(PT17) · Glencoe, MN · Accident · No injuries · Data collection · Final report · Jun 18, 2012 · N59334 · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during the landing roll.
- [NTSB ERA12CA334](https://openairdocs.org/ntsb/ERA12CA334.md): Boeing A75N1(PT17) · Weirsdale, FL · Accident · No injuries · Data collection · Final report · May 11, 2012 · N71327 · Substantial damage
  > The pilot's failure to maintain directional control while landing in a gusty variable crosswind.
- [NTSB CEN11LA578](https://openairdocs.org/ntsb/CEN11LA578.md): Boeing A75N1(PT17) · Fabens, TX · Accident · Serious injuries · Limited investigation · Final report · Aug 14, 2011 · N53473 · Substantial damage
  > The pilot’s decision to continue the high density altitude takeoff with reduced engine power and his decision to initiate a turn back to the runway with insufficient airspeed, which resulted in an aerodynamic stall.
- [NTSB CEN11LA375](https://openairdocs.org/ntsb/CEN11LA375.md): Boeing A75N1(PT17) · Junction City, KS · Accident · No injuries · Limited investigation · Final report · Jun 4, 2011 · N50052 · Substantial damage
  > The degraded engine performance due to low compression on the cylinder and delayed ignition timing.
- [NTSB CEN11LA365](https://openairdocs.org/ntsb/CEN11LA365.md): Boeing A75N1 (PT17) · Freemont, MI · Accident · Minor injuries · Limited investigation · Final report · May 27, 2011 · N60147 · Substantial damage
  > The pilot’s failure to attain a positive climb rate following takeoff for reasons that could not be determined because the propeller was not provided for further examination. Contributing to the accident was the pilot's impairment from alcohol.
- [NTSB ERA11CA035](https://openairdocs.org/ntsb/ERA11CA035.md): Boeing PT17 · Fayetteville, WV · Accident · No injuries · Data collection · Final report · Oct 17, 2010 · N55464 · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff roll.
- [NTSB WPR11CA014](https://openairdocs.org/ntsb/WPR11CA014.md): Boeing A75N1(PT17) · Palm Springs, CA · Accident · No injuries · Data collection · Final report · Oct 12, 2010 · N66940 · Substantial damage
  > The pilot's failure to maintain directional control during landing, resulting in a ground loop.
- [NTSB ERA10CA500](https://openairdocs.org/ntsb/ERA10CA500.md): Boeing A75N1 · Bealeton, VA · Accident · No injuries · Data collection · Final report · Sep 24, 2010 · N65648 · Substantial damage
  > The pilot under instruction’s improper recovery from a bounced landing and the flight instructor’s delayed remedial action, which resulted in a ground loop and collision with trees.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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.aircraft_model_code IN ('1380134')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/470/sequence?model=1380134

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