NTSB investigations: Piper PA-20
20 cases on aircraft the registry lists as Piper PA-20, where NTSB found Directional control. 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
| 2008 | 1 |
|---|---|
| 2009 | 3 |
| 2010 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2025 | 2 |
| 2026 | 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 ('7102002')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.case_mkey = x.case_mkey AND f.aircrafts_position = x.position AND starts_with(f.\"findingCode\", '01062020')))
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 ('7102002')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.case_mkey = x.case_mkey AND f.aircrafts_position = x.position AND starts_with(f."findingCode", '01062020')))
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 WPR26LA105Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-20 · Three Forks, MTThe pilot’s failure to maintain directional during the landing roll with a variable wind.NTSB ANC25LA093Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-20 · Anchorage, AKThe pilot receiving instruction’s failure to maintain directional control during the landing roll. Contributing to the accident was the flight instructor’s delayed remedial action.NTSB CEN25LA259Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-20 · Oshkosh, WIThe pilot’s aggressive brake application which resulted in a loss of directional control and a ground loop.NTSB WPR21LA281Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-20 · Cascade, IDThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and collision with terrain.NTSB ANC21LA021Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-20 · Anchorage, AKThe pilot’s failure to maintain directional control during takeoff in gusty tailwind conditions, which resulted in a runway excursion and nose down.NTSB ANC20CA082Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA 20 · Talkeetna, AKThe pilot’s failure to maintain directional control during the landing roll, which resulted in a ground-loop.NTSB CEN20CA161Accident · No injuriesData collectionFinal reportPiper PA 20 · Colorado Springs, COThe flight instructor's improper landing flare, which resulted in a bounced landing, and his subsequent loss of directional control.NTSB GAA19CA408Accident · Minor injuriesData collectionFinal reportPiper PA 20 · Hamilton, MTThe pilot's loss of directional control due to his unintentional use of brakes instead of the rudder during the landing roll, which resulted in a nose-over.NTSB GAA19CA293Accident · No injuriesData collectionFinal reportPiper PA 20 · Canandaigua, NYThe pilot's failure to maintain directional control during landing, which resulted in a ground loop.NTSB GAA18CA426Accident · No injuriesData collectionFinal reportPiper PA 20 · Dayton, OHThe pilot's inadequate compensation for variable crosswind conditions during landing, which resulted in a runway excursion.NTSB GAA18CA441Accident · No injuriesData collectionFinal reportPiper PA · East Sound, WAThe pilot's improper landing flare, which resulted in a bounced landing and his subsequent failure to maintain directional control in a gusting, left quartering headwind.NTSB GAA15CA273Accident · No injuriesData collectionFinal reportPiper PA 20 · Marshfield, MAThe pilot's loss of directional control during the landing roll, which resulted in a ground loop and impact with terrain.NTSB ANC14CA013Accident · No injuriesData collectionFinal reportPiper PA 20 · Platinum, AKThe pilot's failure to maintain directional control during a crosswind landing.NTSB WPR13CA372Accident · No injuriesData collectionFinal reportPiper PA-20 · Aurora, ORThe pilot's failure to maintain directional control while landing in gusting wind conditions, which resulted in a ground-loop.NTSB ERA12CA475Accident · No injuriesData collectionFinal reportPiper PA-20 · Cooperstown, NYThe pilot's inadequate compensation for crosswind conditions during takeoff, which resulted in a loss of directional control.NTSB WPR10LA268Accident · Serious injuriesLimited investigationFinal reportPiper PA-20 · Nelson, CAThe pilot's loss of aircraft control during an undetermined phase of flight, which resulted in an aerodynamic stall/spin and subsequent collision with terrain.NTSB ANC09CA107Accident · No injuriesData collectionFinal reportPiper PA-20 · Fairbanks, AKThe student pilot's decision to attempt an off-airport landing and his failure to maintain directional control during the landing roll.NTSB WPR09CA435Accident · No injuriesData collectionFinal reportPiper PA-20 · Bozeman, MTThe failure of the pilot receiving instruction to maintain directional control during the takeoff roll and the flight instructor's delayed corrective action.NTSB WPR09CA257Accident · No injuriesData collectionFinal reportPiper PA-20 · Glendale, AZThe pilot's inadequate compensation for the crosswind conditions and failure to maintain directional control on the landing roll out.NTSB LAX08CA255Accident · No injuriesData collectionFinal reportPiper PA-20 · Grass Valley, CAThe pilot's failure to maintain directional control due to his foot slipping off one rudder pedal while braking.