NTSB investigations: Amateur-built UNKNOWN ENG
26 cases on aircraft whose registry engine model is Amateur-built UNKNOWN ENG, where the defining event was Hard landing. 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 |
|---|---|
| 2010 | 3 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 1 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 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.engine_model_code IN ('99999')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '092'))
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.engine_model_code IN ('99999')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '092'))
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 ERA26LA353Accident · No injuriesClass 4 · LimitedInvestigation openRoberts GS-2 Sportsman · Kerrtown, PANTSB ERA23LA015Accident · Minor injuriesClass 4 · LimitedFinal reportST Clair David L Tango 2 · Yulee, FLThe pilot’s improper landing flare which resulted in a hard, bounced landing that damaged the nose landing gear, resulting in an inability to maintain directional control and subsequent runway excursion.NTSB WPR22LA370Accident · No injuriesClass 4 · LimitedFinal reportAlisport Silent 2 Electro · Hood River, ORThe pilot’s improper landing flare which resulted in a hard landing. Contributing to the accident was the pilot’s failure to follow the checklist to remove the wing wheel and tail dolly before takeoff.NTSB CEN22LA184Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-24-260 · Terre Haute, INA hard landing, which resulted in the failure of the right main landing gear outer bearing and collapse of the landing gear.NTSB WPR22LA066Accident · Serious injuriesClass 4 · LimitedFinal reportCameron Balloons U S A-315 · Phoenix, AZThe pilot’s inability to maintain balloon control during a high wind landing, which resulted in a serious passenger injury.NTSB CEN22LA063Accident · No injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · St. Louis, MOThe pilot’s failure to apply power during the recovery procedure for the practice autorotation, which resulted in a hard landing.NTSB ERA21LA337Accident · Minor injuriesClass 4 · LimitedFinal reportVans RV7 · Mount Holly, NJThe pilot’s improper recovery from a bounced landing, resulting in a touchdown on the nose gear first, resulting in damage to the nose gear and a runway excursion.NTSB CEN20LA440Accident · No injuriesClass 3 · LimitedFinal reportSwearingen SA227 · San Antonio, TXThe pilot’s failure to fly a stabilized approach which resulted in a hard landing and loss of control.NTSB WPR20CA293Accident · No injuriesClass 4 · Data collectionFinal reportCessna 172 · Phoenix, AZThe pilot's improper pitch attitude and landing flare, which resulted in a hard landing. Contributing to the accident was the flight instructors delayed remedial action.NTSB GAA20CA043Accident · No injuriesData collectionFinal reportZenair Zenith 801 · Knoxville, TNThe pilot's failure to maintain a proper descent rate during the approach and his improper landing flare, which resulted in a hard landing.NTSB WPR19LA257Accident · Serious injuriesClass 3 · LimitedFinal reportKubicek BB60 · Goodsprings, NVThe pilot's failure to maintain the proper descent rate during the approach to landing, which resulted in a hard landing and serious injuries to the pilot and two passengers.NTSB GAA19CA475Accident · Serious injuriesData collectionFinal reportAvid Avid Mark IV · Thompson Falls, MTThe student pilot's failure to go-around after a hard, bounced landing and the flight instructor's delayed remedial action, which resulted in a collision with trees at the departure end of the runway.NTSB GAA17CA467Accident · Serious injuriesData collectionFinal reportJames D Riggs RV-10 · Lawrenceburg, TNThe pilot’s improper landing flare and failure to maintain yaw control during a go-around in gusting wind conditions.NTSB GAA17CA272Accident · No injuriesData collectionFinal reportJohn Murphy JSX-2 · Chesterfield, MOThe pilot’s failure to ensure that the canopy was properly secured before takeoff, which resulted in an unstable landing flare and hard landing.NTSB GAA17CA257Accident · Minor injuriesData collectionFinal reportNelson Sydney Vans Acft RV8A · Englewood, COThe pilot's improper landing flare and inadvertent selection of the mixture control, which resulted in a hard, bounced landing during gusting crosswind wind conditions.NTSB GAA15CA180Accident · No injuriesData collectionFinal reportPietenpol AIR Camper · Burlington, WIThe student pilot's failure to maintain pitch control during the landing touchdown, resulting in a hard landing.NTSB CEN15LA084Accident · Minor injuriesLimited investigationFinal reportEnstrom 280FX · Fort Lupton, COThe loss of engine power during cruise flight for reasons that could not be determined based on the available information.NTSB CEN14CA514Accident · No injuriesData collectionFinal reportStanley Arthur Freeman Zodiac 601XL · Fremont, NEThe pilot's improper landing flare which resulted in a hard landing.NTSB CEN14LA213Accident · Serious injuriesLimited investigationFinal reportCrow Mustang II · Morton, TXThe pilot's improper landing flare after encountering a gusting crosswind and his inadequate recovery from the subsequent bounced landing.NTSB CEN13LA478Accident · No injuriesLimited investigationFinal reportDouglas Brian G BA-100 · Killeen, TXThe pilot’s improper management of the fuel mixture, which resulted in an over-rich fuel mixture condition and a subsequent partial loss of engine power.NTSB ERA13LA288Accident · Serious injuriesLimited investigationFinal reportHagerty RV-7A · Altoona, PAThe pilot's improper recovery from an encounter with a wind gust during landing, which resulted in a hard landing on, and displacement of, the nose landing gear and a subsequent runway excursion and noseover.NTSB WPR13LA099Accident · No injuriesLimited investigationFinal reportGoetz Helicycle · Mesa, AZThe pilot's failure to properly install and secure the wire connecting the electronic speed controller unit to the fuel controller actuator motor, which resulted in the wire’s disconnection in flight and the resultant partial loss of engine power.NTSB CEN11CA035Accident · Minor injuriesData collectionFinal reportBorne Charles A III RV-4 · Los Lunas, NMThe pilot's improper flare, which resulted in a hard landing and loss of directional control.NTSB WPR10LA250Accident · Serious injuriesLimited investigationFinal reportWildman RV6-A · Columbia, CAThe pilot’s inadequate compensation for the gusting crosswind and improper landing flare.NTSB WPR10CA109Accident · No injuriesData collectionFinal reportYoung Dee C Kitfox II · St. Anthony, IDThe pilot's improper landing flare, which resulted in a hard landing.NTSB ERA09CA121Accident · No injuriesData collectionFinal reportLake LA-4-200 · Apopka, FLThe pilot's improper flare.