NTSB investigations: Boeing A75N1(PT17)
40 cases on aircraft the registry lists as Boeing A75N1(PT17), where the first occurrence was “Loss of control - on ground/water”. 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
| 1982 | 3 |
|---|---|
| 1983 | 3 |
| 1987 | 4 |
| 1988 | 2 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 5 |
| 1995 | 1 |
| 1997 | 1 |
| 1998 | 3 |
| 1999 | 2 |
| 2000 | 1 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2006 | 2 |
| 2007 | 1 |
Where
Open the mapLatest 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.\"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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 260))
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.
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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CHI07CA210Accident · No injuriesData collectionFinal reportBoeing A-75N1 · Oelwein, IAThe pilot's failure to maintain directional control of the airplane during a landing roll. Factors associated with the accident was the gusty crosswind condition and the corn crop.NTSB CHI06CA272Accident · No injuriesData collectionFinal reportBoeing A75N1 · Garrettsville, OHThe pilot's failure to maintain directional control during the takeoff roll. The bush and tree were factors to the accident.NTSB NYC06CA158Accident · No injuriesData collectionFinal reportBoeing A75N1 · South Hill, VAThe pilot's failure to maintain directional control of the airplane during the landing, which resulted in a ground loop and a subsequent nose over.NTSB FTW04CA200Accident · No injuriesData collectionFinal reportBoeing A75N1 · Bay City, TXThe pilot's failure to maintain directional control during landing. A contributing factor was the pilot's decision to land with a quartering tailwind.NTSB FTW03LA144Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Houston, TXThe pilot's failure to maintain directional control while landing.NTSB MIA03CA093Accident · No injuriesData collectionFinal reportBoeing A75N1 · Lakeland, FLThe pilot's failure to maintain control during the landing rollout which resulted in the airplane exiting the runway, impacting a runway light, and nosing over.NTSB NYC02LA111Accident · No injuriesLimited investigationFinal reportBoeing Stearman A75N1 · Toughkenamon, PAThe pilot's failure to maintain directional control while landing, a factor was the gusting wind conditions.NTSB SEA02LA038Accident · No injuriesLimited investigationFinal reportBoeing Stearman A75N1 · Creswell, ORThe pilot's failure to maintain directional control on landing resulting in the aircraft leaving the runway environment, crossing a ditch and nosing over. Contributing factors were variable winds reported by the pilot and the ditch.NTSB NYC00LA204Accident · No injuriesLimited investigationFinal reportBoeing PT17 · Easton, MDThe pilot's failure to maintain aircraft control.NTSB CHI99LA199Accident · No injuriesLimited investigationFinal reportBoeing Stearman B75N1 · Kalamazoo, MIThe pilot's failure to maintain directional control of the airplane during landing. A factor was the variable wind condition.NTSB LAX99LA126Accident · No injuriesLimited investigationFinal reportBoeing Stearman A75N1 · Mesa, AZThe pilot's inadequate compensation for the gusty and variable crosswind condition, which led to a loss of directional control and an inadvertent ground loop.NTSB LAX99LA041Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Vacaville, CAThe pilot's inadequate compensation for the existing variable wind conditions and his failure to maintain directional control.NTSB NYC98LA191Accident · No injuriesLimited investigationFinal reportBoeing PT-17 Stearman · So. Charleston, WVThe pilot's failure to maintain control of the airplane during landing.NTSB ATL98LA057Accident · Minor injuriesLimited investigationFinal reportBoeing A75N1 · Chamblee, GAthe pilot's inadequate compensation for wind conditions and excessive application of braking action, which resulted in an on-ground loss-of-control and a nose over. Related factors were: the pilot's selection of the wrong runway, and the crosswind condition.NTSB LAX97LA201Accident · No injuriesLimited investigationFinal reportBoeing Stearman A75N1 · Lemoore, CAfailure of the pilot to maintain directional control of the airplane during the landing, which resulted in a ground swerve and subsequent overload failure of the main landing gear. Related factors were a left crosswind and partial loss of the right wheel…NTSB LAX95LA350Accident · No injuriesLimited investigationFinal reportBoeing B75-A75N1 · Van Nuys, CAthe pilot's failure to maintain directional control during landing rollout. Factors which contributed to the loss of control were: the pilot's total lack of experience landing the conventional gear airplane in a crosswind condition, and the crosswind.NTSB CHI93LA349Accident · No injuriesLimited investigationFinal reportBoeing Stearman A75N1 · Delevan, WIthe excessive use of brakes and rudder by the pilot-in-command. A factor related to the accident was the pilot-in-command's lack of total experience in this type of aircraft.NTSB SEA93LA112Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Hardin, MTThe pilot in command's failure to maintain directional control.NTSB SEA93LA086Accident · No injuriesLimited investigationFinal reportBoeing D75N1 · Davenport, WAUnsuitable terrain was selected for landing. A factor to the accident was: soft terrain.NTSB SEA93LA058Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Bend, ORDirectional control not maintained and ground loop/swerve not corrected by the pilot in command.NTSB FTW93LA070Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · San Antonio, TXThe failure of the pilot to maintain directional control during the landing rollNTSB CHI92LA235Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · St. Paul, MNThe pilot's inattentiveness and improper use of the airplanes brakes. A factor which contributed to this accident was the incorrect brake system installed on the airplane.NTSB FTW91LA087Accident · No injuriesLimited investigationFinal reportBoeing A-75 · Horseshoe Bend, ARThe pilot's failure to maintain directional control of the airlane. A factor was the crosswind.NTSB NYC90LA194Accident · Minor injuriesLimited investigationFinal reportBoeing A75 · Burdett, NYThe pilot did not properly compensate for the cross wind and failed to maintain directional control during takeoff.NTSB CHI90LA156Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Aurora, ILThe pilot's inadequate compensation for wind conditions, and his not maintaining proper directional control on landing.NTSB DEN90LA040Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Ft Collins, COFailure of the pilot to maintain directional control, which resulted in an inadvertent ground swerve. A factor related to the accident was: the pilot's lack of familiarity with the aircraft.NTSB NYC89LA145Accident · No injuriesLimited investigationFinal reportBoeing Stearman A75N1 · Erwinna, PALoss control and collision with trees due to failure of the student pilot to compensate for the wind and lack of supervision by the CFI.NTSB MIA89LA141Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · New Smyrna Bch., FLThe failure of the pilot to adequately preflight the airplane. Contributing to the accident was the pilot's failure to use the brakes to maintain directional control and poor inspection of the airplane by company maintenance personnel.NTSB NYC88LA221Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Wellsville, PAA private plt on a local flight made a stopover landing on runway 28. The plt reported that during the landing flare, he was temporarily blinded by the setting sun directly in the flight path. At touchdown the airplane weathervaned into the right crosswind,…NTSB LAX88LA178Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Sacramento, CANTSB BFO88DHD02Accident · No injuriesFinal reportBoeing A75N1 · Milton, DEThe pilot's improper brake application during a 'wheel' landing, which resulted in the aircraft nosing over. The slight downslope of the airstrip, a quartering tailwind, inadequate supervision on the part of the check pilot, and the pilot's lack of…NTSB MKC88LA006Accident · No injuriesLimited investigationFinal reportBoeing A-75 · Creve Coeur, MOWhile practicing stop and go ldgs, plt lost control during rollout. Acft swerved and entered an inadvertent ground loop. The right main landing gear failed and the right lower wing contacted the ground.NTSB CHI87LA225Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Rochester, INThe tailwheel aircraft was landed into a strong left crosswind, experienced a loss of directional control, followed by a ground loop, and nose over.NTSB LAX87LA346Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Lakeport, CAThe pilot stated that the aircraft groundlooped during landing roll just as the tailwheel touched down. There were no reported mechanical problems and winds were light and variable. However, the pilot stated that he thought he felt a gustof wind.NTSB MIA83LA243Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · St. Augustine, FLOn the previous flt, the plt noted that the left brake was weaker than the right brake. Before taking off again, he added fluid to the left brake sys. After flying about 1 hr, he returned & landed. During the landing roll, the left brake failed to operate.…NTSB CHI83LA422Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Galesburg, ILAfter landing at the Galesburg arpt, the plt was turning onto the taxiway when the acft ground looped in strong wind conditions. The left wing was substantially damaged during the mishap.NTSB FTW83LA219Accident · No injuriesLimited investigationFinal reportBoeing A-75 · Iowa, LAThe acft nosed over during an off arpt landing. The plt stated that he was landing to check his aerial application load and talk to a farmer. During touchdown the main landing gear dug into the soft ground and the acft nosed over.NTSB FTW82DA185Accident · No injuriesFinal reportBoeing A75N1 · Fabens, TXFollowing a left turn on landing roll the pilot applied the brakes to correct for right drift. The braking action resulted in the aircraft nose over. Investigation revealed no mechanical malfunction or failure.NTSB LAX82FVG23Accident · 1 fatalFinal reportBoeing A75N1 · Pleasant Grove, CAThe pilot reported that he landed toward the north with the wind from the northeast at 8 to 10 knots. When the tailwheel touched down, the aircraft veered right. The pilot reported that he could not stop the turn. He opened the throttle while attempting to…NTSB LAX82DVG24Accident · Minor injuriesFinal reportBoeing A75 · Maxwell, CADuring the takeoff roll from a local farm strip, the aircraft veered to the right and went off the runway. The pilot reported that the plane went into a small ditch and flipped over. No mechanical failures were reported.