NTSB investigations: Piper PA-18-135
10 cases on aircraft the registry lists as Piper PA-18-135, where the sequence of events included Nose over/nose down. 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 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2021 | 1 |
| 2025 | 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 ('7101820')
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\" = '096' 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"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 ('7101820')
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" = '096' 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" 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 ANC25LA073Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-135 · Palmer, AKThe pilot’s excessive braking during the landing roll, resulting in a nose over. Contributing to the accident was the pilot’s decision to continue the landing after determining the landing area was unsuitable.NTSB ANC21LA060Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-135 · Skwentna, AKThe pilot’s use of excessive braking which resulted in a nose-over.NTSB GAA17CA275Accident · Serious injuriesData collectionFinal reportPiper PA18 · Seward, AKThe flight instructor's incorrect brake application during a high-speed taxi with a tailwind, which resulted in a nose-over.NTSB WPR16LA045Accident · No injuriesLimited investigationFinal reportPiper PA18 · Newman Lake, WAA partial loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.NTSB ANC14CA075Accident · No injuriesData collectionFinal reportPiper PA 18-135 · Homer, AKThe pilot's failure to maintain aircraft control during the landing roll.NTSB CEN12CA132Accident · No injuriesData collectionFinal reportPiper PA-18-135 · Del Norte, COThe pilot's loss of directional control during the landing roll, which resulted in a runway excursion. Contributing to the accident were the sensitivity of the brake system and the certified flight instructor pilot's delayed remedial action.NTSB ANC11CA076Accident · Minor injuriesData collectionFinal reportPiper PA-18-135 · Coldfoot, AKThe pilot's inadvertent application of the right brake pedal during the landing roll, which resulted in a nose-over.NTSB ANC09CA099Accident · No injuriesData collectionFinal reportPiper PA-18 · Chickaloon, AKThe pilot's decision to land on unsuitable terrain, which resulted in a nose-over on landing.NTSB ANC09LA035Accident · No injuriesLimited investigationFinal reportPiper PA-18-135 · Palmer, AKThe non-certificated pilot’s decision to attempt to "ski" atop a water-covered tidal area in an airplane equipped with over-sized main landing gear tires, resulting in a loss of control and a nose over.NTSB MIA08LA130Accident · No injuriesLimited investigationFinal reportPiper PA-18-135 · Hollywood, FLThe pilot's failure to achieve the proper touchdown point on landing and improper use of brakes. Contributing to the accident was the failure of the throttle cable attachment tab due to preexisting cracks.