# NTSB investigations: Piper PA-25-235: In flight collision with terrain/water 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 CHI07LA254](https://openairdocs.org/ntsb/CHI07LA254.md): Piper PA-25-235 · Overly, ND · Accident · No injuries · Limited investigation · Final report · Aug 2, 2007 · N7263Z · Substantial damage > The pilot's failure to maintain terrain clearance during the agricultural application flight. Contributing to the accident was the wheat crop. - [NTSB CHI06CA257](https://openairdocs.org/ntsb/CHI06CA257.md): Piper PA-25-235 · Anamoose, ND · Accident · No injuries · Data collection · Final report · Sep 6, 2006 · N8501L · Substantial damage > The pilot not maintaining altitude/clearance from terrain during the aerial application pass. - [NTSB CHI02CA248](https://openairdocs.org/ntsb/CHI02CA248.md): Piper PA-25-235 · Ray, ND · Accident · No injuries · Data collection · Final report · Aug 14, 2002 · N7634Z · Substantial damage > The pilot inadvertently stalled the airplane during takeoff. A factor was the tailwind. - [NTSB CHI01LA281](https://openairdocs.org/ntsb/CHI01LA281.md): Piper PA-25-235 · Kenmare, ND · Accident · No injuries · Limited investigation · Final report · Aug 16, 2001 · N6794Z · Substantial damage > The pilot failed to maintain clearance with the terrain during the aerial application flight. Factors associated with the accident were the high vegetation and the pilot's diverted attention during the flight. - [NTSB MIA01LA104](https://openairdocs.org/ntsb/MIA01LA104.md): Piper PA-25-235 · Bainbridge, GA · Accident · Serious injuries · Limited investigation · Final report · Mar 22, 2001 · N6674Z · Substantial damage > The pilot's failure to maintain a visual lookout while maneuvering during a agricultural run, and inadvertent descent with a known sun glare resulting in an in-flight collision with terrain. - [NTSB CHI99LA230](https://openairdocs.org/ntsb/CHI99LA230.md): Piper PA-25-235 · Fargo, ND · Accident · No injuries · Limited investigation · Final report · Jul 12, 1999 · N4652Y · Substantial damage > the altitude/clearance not maintained by the pilot. - [NTSB CHI99LA229](https://openairdocs.org/ntsb/CHI99LA229.md): Piper PA-25-235 · Lefor, ND · Accident · No injuries · Limited investigation · Final report · Jul 12, 1999 · N7329Z · Substantial damage > the altitude/clearance not maintained by the pilot. - [NTSB MIA98LA222](https://openairdocs.org/ntsb/MIA98LA222.md): Piper PA-25-235 · Bainbridge, GA · Accident · 1 fatal · Limited investigation · Final report · Aug 12, 1998 · N8654L · Substantial damage > The pilot's failure to maintain airspeed resulting in a stall. - [NTSB FTW95LA304](https://openairdocs.org/ntsb/FTW95LA304.md): Piper PA-25-235 · Stratton, CO · Accident · No injuries · Limited investigation · Final report · Jul 15, 1995 · N9801P · Destroyed > The pilot's excessive rate of descent as he initiated the swath run and operation of the aircraft over the maximum allowable gross weight. - [NTSB CHI94LA233](https://openairdocs.org/ntsb/CHI94LA233.md): Piper PA-25-235 · Tribune, KS · Accident · No injuries · Limited investigation · Final report · Jul 19, 1994 · N6580Z · Substantial damage > the pilot's failure to maintain clearance above the corn crop during the swath run. - [NTSB ATL93LA121](https://openairdocs.org/ntsb/ATL93LA121.md): Piper PA-25-235 · Bainbridge, GA · Accident · 1 fatal · Limited investigation · Final report · Jul 2, 1993 · N8659L · Substantial damage > The pilot's failure to maintain adequate clearance from the ground. - [NTSB FTW90DQG04](https://openairdocs.org/ntsb/FTW90DQG04.md): Piper PA-25-235 · Lubbock, TX · Accident · 1 fatal · Final report · Aug 25, 1990 · N9852P · Destroyed > Failure of the pilot to maintain adequate airspeed and altitude during a turn-around maneuver, which resulted in the aircraft stalling into the ground. - [NTSB DEN89LA167](https://openairdocs.org/ntsb/DEN89LA167.md): Piper PA-25 · Wh Sulphur Spgs, MT · Accident · No injuries · Limited investigation · Final report · Jul 11, 1989 · N6663Z · Substantial damage > The pilot failed to maintain adequate airspeed during an aerial application maneuver and inadvertently allowed the aircraft to mush into the ground. Unfavorable wind and turbulence were considered to be contributing factors. - [NTSB MKC89LA137](https://openairdocs.org/ntsb/MKC89LA137.md): Piper PA-25-235 · Clayton, KS · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 1989 · N8846L · Substantial damage > The failure of the pilot to compensate for the unfavorable wind conditions. - [NTSB MKC88DCD03](https://openairdocs.org/ntsb/MKC88DCD03.md): Piper PA-25-235 · Eldora, IA · Accident · 1 fatal · Final report · Aug 8, 1988 · N9612P · Substantial damage > Pilot was spraying a bean field when a witness saw his aircraft strike the ground. The aircraft then climbed to approximately 200 feet and leveled off. It then began a gentle climb, then entered a spin and desended into the ground. Examination of the aircraft… - [NTSB LAX87DVG02](https://openairdocs.org/ntsb/LAX87DVG02.md): Piper PA-25-235 · Williams, CA · Accident · No injuries · Final report · Feb 15, 1987 · N7162Z · Substantial damage > During an aerial application flt, the plt was paralleling a canal when the right wing became entangled in weeds and contacted the canal. The acft began a right turn when the acft slowed and the left main landing gear contacted the terrain. The acft nosed… - [NTSB DEN86FTK04](https://openairdocs.org/ntsb/DEN86FTK04.md): Piper PA-25-235 · Clear Lake, SD · Accident · Serious injuries · Final report · Aug 7, 1986 · N7121Z · Destroyed > There was a power line across the approach to the field being treated. The plt reports that he got too low during the flare out for entry to the swath run. The wheels contacted the sunflower crop and the acft impacted the ground. A fire developed during… - [NTSB LAX85FA216](https://openairdocs.org/ntsb/LAX85FA216.md): Piper PA25-235 · Walnut Grove, CA · Accident · 1 fatal · Field investigation · Final report · Apr 19, 1985 · N9636P · Destroyed > The acft flew into the ground on a procedure turnaround while spraying wheat with a toxic chemical. The acft did not stall and the engine sound did not change. A separated aileron crossover cable showed no fatigue. The cholinesterase level in the pilot's… - [NTSB DEN84LA280](https://openairdocs.org/ntsb/DEN84LA280.md): Piper PA-25-235 · Canton, SD · Accident · No injuries · Limited investigation · Final report · Sep 15, 1984 · N7236Z · Substantial damage > During a descending apch to an unfamiliar cornfield for a swath run, the plt stated he had 'a flashing vision of wires.' The plt pushed the control stick forward to avoid hitting the wires at which time the acft contacted a corn crop in a slight nose down… - [NTSB SEA84LA093](https://openairdocs.org/ntsb/SEA84LA093.md): Piper PA-25-235D · Heppner, OR · Accident · No injuries · Limited investigation · Final report · Apr 22, 1984 · N9866P · Destroyed > The plt reported that he was making a turn below the lee side of a ridge line at an alt of about 30 ft AGL. The acft reportedly encountered a downdraft & settled into the ground. During this occurrence, the landing gear collapsed, but no other major damage… - [NTSB DEN83FTE12](https://openairdocs.org/ntsb/DEN83FTE12.md): Piper PA-25-260 · Lamar, CO · Accident · Serious injuries · Final report · Aug 31, 1983 · N7606Z · Substantial damage > The acft collided with the ground during an aerial application maneuver. The pilot stated that he finished the second spray run and while in a turn the acft hit the ground on flat terrain. The pilot stated that he did not remember anymoreabout the flt. A fuel… - [NTSB FTW83FA261](https://openairdocs.org/ntsb/FTW83FA261.md): Piper PA-25-235 · Omega, OK · Accident · 1 fatal · Field investigation · Final report · Jun 4, 1983 · N6551Z · Destroyed > The plt had just completed spraying a field & was in a right turn when the right wing tip hit gently rising terrain. The owner thought that the plt might have diverted his attention while looking at a farmer's map to locate the next field. (Several similar… - [NTSB ATL82DA171](https://openairdocs.org/ntsb/ATL82DA171.md): Piper PA-25-235 · Ripley, IN · Accident · Minor injuries · Final report · Jun 18, 1982 · N8544L · Destroyed > When the pilot arrived to spray the field for the first time, he saw powerlines along a road and saw poles on both sides of a creek. He assumed that all of the lines followed the road. He was unaware that a powerline crossed the narrow field that he was about… - [NTSB DEN82FTA10](https://openairdocs.org/ntsb/DEN82FTA10.md): Piper PA-25-235 · Glendive, MT · Accident · Serious injuries · Final report · Jun 1, 1982 · N4589Y · Destroyed > The pilot reported that he had just loaded the sprayer and had made one pass downhill. At the end of the field, he started a left turn to make an uphill pass. The pilot stated that he got into bad air or down slope air and started to dump the chemical but it… ## 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=7102504&occurrence=230 --- 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.