# NTSB investigations: Piper PA-25-235: 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 WPR24LA197](https://openairdocs.org/ntsb/WPR24LA197.md): Piper PA-25-235 · Fernley, NV · Accident · No injuries · Class 4 · Limited · Final report · Jun 13, 2024 · N4625Y · Substantial damage
  > The pilot’s failure to maintain directional control during gusting wind conditions.
- [NTSB CEN23LA335](https://openairdocs.org/ntsb/CEN23LA335.md): Piper PA-25-235 · Tyler, MN · Accident · No injuries · Class 4 · Limited · Final report · Jul 28, 2023 · N7094Z · Substantial damage
  > The pilot’s improper flap position during takeoff, which resulted in degraded climb performance and a collision with terrain.
- [NTSB CEN23LA255](https://openairdocs.org/ntsb/CEN23LA255.md): Piper PA-25-235 · Westhope, ND · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 22, 2023 · N7419Z · Substantial damage
  > The pilot’s failure to maintain aircraft control that resulted in an impact with terrain after takeoff.
- [NTSB GAA18CA222](https://openairdocs.org/ntsb/GAA18CA222.md): Piper PA 25-235 · Saratoga Springs, NY · Accident · No injuries · Data collection · Final report · Apr 22, 2018 · N7247Z · Substantial damage
  > The glider pilot’s failure to maintain pitch during a CG aerotow, which resulted in the loss of control of the tow airplane.
- [NTSB ERA18FA006](https://openairdocs.org/ntsb/ERA18FA006.md): Piper PA 25-235 · Front Royal, VA · Accident · 1 fatal · Field investigation · Final report · Oct 7, 2017 · N90866 · Destroyed
  > The tow plane pilot's loss of airplane control for reasons that could not be determined based on the available evidence. Contributing to the accident was the glider instructor's diversion of attention away from the tow airplane which resulted in his delay in…
- [NTSB CEN17LA372](https://openairdocs.org/ntsb/CEN17LA372.md): Piper PA 25-235 · Westphalia, KS · Accident · No injuries · Limited investigation · Final report · Sep 28, 2017 · N7336Z · Substantial damage
  > A total loss of engine power due to a fatigue failure of the crankshaft that resulted from main bearing shift and lack of lubrication.
- [NTSB CEN17LA272](https://openairdocs.org/ntsb/CEN17LA272.md): Piper PA-25-235 · Pierce, NE · Accident · Serious injuries · Limited investigation · Final report · Jul 18, 2017 · N7388Z · Substantial damage
  > The pilot’s failure to maintain clearance from trees during a low-level agricultural aerial application flight.
- [NTSB CEN16LA334](https://openairdocs.org/ntsb/CEN16LA334.md): Piper PA 25-235 · Bushton, KS · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2016 · N4963Y · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN16LA255](https://openairdocs.org/ntsb/CEN16LA255.md): Piper PA 25-235 · Arlington, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 2016 · N6803Z · Substantial damage
  > The pilot’s failure to establish proper airspeed and angle-of-attack during takeoff with the airplane at its maximum gross weight in elevated density altitude and gusting tailwind conditions, which resulted in an aerodynamic stall.
- [NTSB CEN15LA297](https://openairdocs.org/ntsb/CEN15LA297.md): Piper PA 25-235 · Galveston, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 2015 · N94MC · Substantial damage
  > The loss of engine power due to a failure of a crankshaft idler gear shaft.
- [NTSB CEN15LA238](https://openairdocs.org/ntsb/CEN15LA238.md): Piper PA-25-235 · Omega, OK · Accident · No injuries · Limited investigation · Final report · May 11, 2015 · N7279Z · Substantial damage
  > Improper base metal preparation or contamination of the No. 5 cylinder wall before it was coated, which resulted in the coating peeling off of the cylinder wall and contaminating the engine oil and the subsequent partial loss of engine power.
- [NTSB WPR14LA367](https://openairdocs.org/ntsb/WPR14LA367.md): Piper PA 25-235 · Warner Springs, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 6, 2014 · N7117Z · Substantial damage
  > The glider pilot's failure to maintain directional control during the initial climb while being towed, which led to the tow plane's unstable flight and its subsequent aerodynamic stall. Contributing to the accident was the tow pilot's delayed release of the…
- [NTSB CEN14LA261](https://openairdocs.org/ntsb/CEN14LA261.md): Piper PA-25-235 · Boulder, CO · Accident · Minor injuries · Limited investigation · Final report · May 28, 2014 · N8808L · Substantial damage
  > The pilot's failure to adequately monitor the airplane's actual fuel consumption rate, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN14FA230](https://openairdocs.org/ntsb/CEN14FA230.md): Piper PA 25-235 · Northglenn, CO · Accident · No injuries · Field investigation · Final report · May 5, 2014 · N4519Y · Destroyed
  > The pilot's decision to operate the banner-tow flight below the minimum safe altitude specified by federal regulation, which likely limited his ability to recover from a potential loss of airspeed due to a gusting wind condition. Also causal was the pilot’s…
- [NTSB CEN13LA520](https://openairdocs.org/ntsb/CEN13LA520.md): Piper PA-25-235 · Boonville, MO · Accident · No injuries · Limited investigation · Final report · Jun 30, 2013 · N7064Z · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during landing on a gravel road.
- [NTSB CEN13FA259](https://openairdocs.org/ntsb/CEN13FA259.md): Piper PA-25-235 · Lamar, MO · Accident · 1 fatal · Field investigation · Final report · May 5, 2013 · N82509 · Substantial damage
  > The pilot's in-flight loss of control, which was likely due to a sudden cardiac event.
- [NTSB CEN12LA437](https://openairdocs.org/ntsb/CEN12LA437.md): Piper PA-25-235 · Mott, ND · Accident · No injuries · Limited investigation · Final report · Jul 12, 2012 · N8801L · Substantial damage
  > The rupture of a corroded oil line, which resulted in a total loss of engine power due to oil starvation.
- [NTSB ERA12FA130](https://openairdocs.org/ntsb/ERA12FA130.md): Piper PA-25-235 · Jacksonville, FL · Accident · 1 fatal · Field investigation · Final report · Dec 31, 2011 · N7408Z · Substantial damage
  > The pilot's in-flight loss of control during climb after a banner pickup. Contributing to the accident was the pilot's impairment due to marijuana.
- [NTSB CEN11LA581](https://openairdocs.org/ntsb/CEN11LA581.md): Piper PA-25-235 · Whitewood, SD · Accident · 1 fatal · Limited investigation · Final report · Aug 20, 2011 · N7051Z · Substantial damage
  > The pilot's collision with terrain for undetermined reasons.
- [NTSB CEN11CA477](https://openairdocs.org/ntsb/CEN11CA477.md): Piper PA-25-235 · Minot, ND · Accident · No injuries · Data collection · Final report · Jul 14, 2011 · N7709Z · Substantial damage
  > The pilot's inadequate inspection of the takeoff area which resulted in a collision with terrain and the subsequent loss of control during takeoff.
- [NTSB CEN11LA405](https://openairdocs.org/ntsb/CEN11LA405.md): Piper PA-25-235 · Faith, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2011 · N7018Z · Substantial damage
  > The pilot's improper turn while maneuvering during an agricultural application flight, which resulted in an inadvertent aerodynamic stall at low altitude.
- [NTSB WPR10FA068](https://openairdocs.org/ntsb/WPR10FA068.md): Schleicher ASW-27 · Middletown, CA · Accident · 2 fatal · Field investigation · Final report · Nov 28, 2009 · N127AL · 2 aircraft · Substantial damage
  > The failure of both pilots to see and avoid the other airplane. Contributing to the accident was the pilot's failure to yield right of way to the glider.
- [NTSB ERA09LA490](https://openairdocs.org/ntsb/ERA09LA490.md): Piper PA-25-235 · Bainbridge, GA · Accident · No injuries · Limited investigation · Final report · Aug 27, 2009 · N7339Z · Substantial damage
  > A total loss of engine power due to the loss of camshaft timing as a result of the displacement of the idler gear assembly.
- [NTSB ERA09LA380](https://openairdocs.org/ntsb/ERA09LA380.md): Piper PA-25-235 · Westerly, RI · Accident · No injuries · Limited investigation · Final report · Jul 4, 2009 · N4898Y · Substantial damage
  > The pilot's failure to use carburetor heat resulting in a complete loss of engine power due to carburetor icing.
- [NTSB ERA09LA131](https://openairdocs.org/ntsb/ERA09LA131.md): Piper PA-25-235 · Pensacola, FL · Accident · 1 fatal · Limited investigation · Final report · Jan 6, 2009 · N7160Z · Substantial damage
  > The pilot’s failure to maintain airspeed following a total loss of engine power during a low-level approach, which resulted in an aerodynamic stall. Contributing to the accident was fuel exhaustion due to the pilot’s inadequate preflight planning.
- [NTSB CHI08CA243](https://openairdocs.org/ntsb/CHI08CA243.md): Piper PA-25-235 · Cosmos, MN · Accident · Minor injuries · Data collection · Final report · Aug 11, 2008 · N7297Z · Substantial damage
  > The pilot's failure to maintain clearance from the guide wire while maneuvering on an aerial application flight. Contributing to the accident was the presence of the guide wire.
- [NTSB DEN08CA084](https://openairdocs.org/ntsb/DEN08CA084.md): Piper PA-25-235 · Mountain Grove, MO · Accident · Minor injuries · Data collection · Final report · May 5, 2008 · N6944Z · Substantial damage
  > the pilot's failure to maintain clearance with the power line.

## 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 ('7102504')
    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=7102504

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.