NTSB investigations: Amateur-built UNKNOWN ENG, AL
22 cases on aircraft whose registry engine model is Amateur-built UNKNOWN ENG. 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
| 1978 | 1 |
|---|---|
| 1980 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1995 | 1 |
| 2000 | 1 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2009 | 2 |
| 2012 | 1 |
| 2015 | 1 |
| 2017 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 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.\"eventStateOrRegion\" = 'AL' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('99999'))
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."eventStateOrRegion" = 'AL' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('99999'))
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 ERA26LA094Accident · Minor injuriesClass 4 · LimitedFinal reportSled Thomas Helicycle · Mobile, ALThe pilot’s failure to maintain yaw control during a crosswind approach, which resulted in a loss of tail rotor effectiveness, an uncommanded spin, hard landing, and subsequent rollover.NTSB ERA25LA182Accident · Minor injuriesClass 4 · LimitedFinal reportRobb Aventura II · Elmore, ALThe pilot’s failure to configure the airplane for a water landing.NTSB ERA24LA170Accident · No injuriesClass 4 · LimitedFinal reportBeta Biz LX7 · Huntsville, ALThe failure of the nose landing gear actuator forward hydraulic fitting, which resulted in a main landing gear collapse during landing due to the loss of hydraulic fluid and pressure.NTSB ERA24LA083Accident · No injuriesClass 4 · LimitedFinal reportRabe Richard Exec 162F · Tuscumbia, ALThe pilot’s failure to maintain control of the helicopter, which resulted in the right skid contacting the ground and a subsequent rollover.NTSB ANC18LA008Accident · No injuriesLimited investigationFinal reportCloud Jeffrey Ferrell Long EZ · Eufaula, ALThe in-flight separation of a portion of the propeller, which subsequently penetrated the right rudder, as a result of the failure of the bond line between two of the propeller’s wood layers. Contributing to the failure of the propeller was the manufacturer’s…NTSB ERA17LA105Accident · No injuriesLimited investigationFinal reportS C Aerostar S A YAK 52 · St. Elmo, ALThe failure of the right main landing gear uplock actuator due to corrosion.NTSB ERA15LA172Accident · No injuriesClass 3 · LimitedFinal reportMerian Richard F RV 8 · Tuscaloosa, ALThe RV-8 pilot's failure to maintain adequate clearance from the RV-6 while maneuvering during an air show, which resulted in a midair collision.NTSB ERA12FA565Accident · 2 fatalField investigationFinal reportYakovlev YAK 52 · Brownsboro, ALThe pilot's loss of control while performing a low-level aerobatic maneuver, which resulted in collision with terrain.NTSB ERA09LA455Accident · Minor injuriesLimited investigationFinal reportSchempp-Hirth Ventus 2CM · St. Elmo, ALA partial loss of engine power for undetermined reasons. Contributing to the accident was the pilot's failure to maintain adequate airspeed during the forced landing.NTSB ERA09LA302Accident · 1 fatalLimited investigationFinal reportHazelwood Michael S RV-8 · Decatur, ALThe RV-8 pilot's failure to maintain adequate clearance from the CJ-6A while maneuvering. This report was modified on September 10, 2010.NTSB ATL05LA081Accident · 1 fatalLimited investigationFinal reportPaul E. Conner Rotor-EZ · St Elmo, ALThe pilot's mismanagement of the fuel supply, which resulted in fuel starvation and the subsequent loss of engine power. The pilot failed to maintain airspeed resulting in an inadvertent stall.NTSB ATL05LA035Accident · No injuriesLimited investigationFinal reportBell UH-1H · Rockford, ALThe pilot's failure to maintain adequate obstacle clearance, which resulted in an in-flight collision with a tree.NTSB ATL03LA037Accident · 1 fatalLimited investigationFinal reportLong 2000 · Brewton, ALThe pilot's improper use of flight controls (cyclic and collective) and failure to maintain rotor RPM while maneuvering that resulted in the separation of the tailboom assembly.NTSB MIA03LA002Accident · 2 fatalLimited investigationFinal reportGolden RV6A · Tuskegee, ALthe failure of the pilot to maintain airspeed, which resulted in an inadvertent stall/spin, and subsequent impact with the terrain.NTSB ATL02LA134Accident · Serious injuriesLimited investigationFinal reportFay Velocity Elite · Theodore, ALThe pilot's inadequate inflight planning for required fuel resulted in fuel exhaustion and the subsequent loss of engine power. A factor was unsuitable terrain.NTSB ATL02LA102Accident · No injuriesLimited investigationFinal reportBell 47G · Marion, ALThe pilot's failure to maintain visual lookout while conducting an aerial application maneuver. A factor was the transmission line.NTSB MIA00LA132Accident · Serious injuriesLimited investigationFinal reportHartline Glastar · Woodstock, ALa total engine failure for undetermined reason, resulting in a forced landing and subsequent impact with a tree.NTSB ATL95LA053Accident · No injuriesLimited investigationFinal reportSchweizer 269B · Addison, ALThe pilot's improper use of the throttle control during a descent which resulted in a hard landing.NTSB ATL91LA093Accident · Minor injuriesLimited investigationFinal reportCessna 172I · Clanton, ALFailure of the pilot to maintain control of the aircraft during a go-around. The pilot's lack of experience was a related factor.NTSB ATL90FA095Accident · 2 fatalField investigationFinal reportEmbraer EMB-120 · Gadsden, ALInadequate visual lookout by the pilots of both aircraft, which resulted in their failure to see-and-avoid oncoming traffic. A factor related to the accident was: the sun's glare, which restricted the vision of the Cessna 172 pilot.NTSB ATL81FA099Accident · No injuriesClosedSnow AT302A · Selma, ALNTSB MIA78DKJ30Accident · Minor injuriesClosedBellanca 7KCAB · Wetumpka, AL