NTSB investigations: Amateur-built UNKNOWN ENG, LA
28 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
| 1965 | 2 |
|---|---|
| 1966 | 1 |
| 1968 | 1 |
| 1972 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 1993 | 2 |
| 1994 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 2000 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 2 |
| 2007 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2023 | 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\" = 'LA' 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" = 'LA' 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 CEN23LA197Accident · No injuriesClass 4 · LimitedFinal reportGulfstream-Schweizer A/C Gulfstream AM G-164B · Gueydan, LAThe failure of both pilots to see and avoid each other resulting in a collision on the airstrip. Contributing was the pilots’ failure to announce their intentions over their radios as they were taking off and landing.NTSB CEN18LA221Accident · No injuriesLimited investigationFinal reportBeech 58 · Baton Rouge, LAThe improper insulation of the anticollision light wiring, which resulted in the ignition of combustible fuel vapors in the outboard section of the right wing; the source of the fuel leak could not be determined due to fire damage.NTSB CEN17LA228Accident · Serious injuriesLimited investigationFinal reportThompson Angel Hawk II · Homer, LAA total loss of engine power due to the engine’s unresolved high operating temperatures, which resulted in failure of the distributor rotor and drive shaft, and the pilot’s failure to maintain airspeed during the subsequent forced landing, which resulted in…NTSB CEN17LA092Accident · Minor injuriesLimited investigationFinal reportZenith CH750 Stol · Jennings, LAA failure of the right fuel tank to supply fuel to the engine for reasons that could not be determined, which resulted in a total loss of engine power due to fuel starvation.NTSB DFW08LA017Accident · No injuriesLimited investigationFinal reportRobinson R-22 · New Iberia, LAThe private pilot's failure to maintain main rotor rpm, which resulted in a hard landing and subsequent rollover. Also causal was the flight instructor's delayed remedial action. A factor was the lack of suitable terrain the forced landing.NTSB DFW05LA102Accident · 2 fatalLimited investigationFinal reportSpearman Raptor · Bogalusa, LAThe pilot's failure to maintain control of the airplane. A contributing factor was the pilot's lack of experience in the make/model airplane.NTSB DFW05LA080Accident · Minor injuriesLimited investigationFinal reportAero Vodochody Aero. Works L-39C · Shreveport, LAThe pilot's misjudgment of airspeed and his failure to abort the landing resulting in an overrun. A contributing factor was the wet runway.NTSB FTW04LA196Accident · Minor injuriesLimited investigationFinal reportEverett Vidrine Dragonfly · Covington, LAthe pilot's inadequate preflight planning which failed to assure adequate takeoff performance for the airplane to clear obstacles. A contributing factor was the pilot's failure to abort the takeoff.NTSB FTW02FA062Accident · 1 fatalField investigationFinal reportBeech 95-B55 · Oak Grove, LAthe pilot's failure to maintain control of the airplane while maneuvering resulting in an inadvertent stall/spin.NTSB FTW00LA178Accident · Minor injuriesLimited investigationFinal reportGulfstream-Schweizer G-164D · Welsh, LAThe excessive wear of the reduction gearbox's 1st stage sungear, which resulted in its subsequent fatigue fracture and failure. Factors were the operator not performing the recommended overhaul of the engine, and a lack of suitable terrain for the forced…NTSB FTW98LA034Accident · No injuriesLimited investigationFinal reportWsk Pzl Mielec M-18A · Roanoke, LAloss of engine power for an undetermined reason(s). A factor relating to the accident was: the lack of suitable terrain for a forced landing.NTSB FTW96LA356Accident · No injuriesLimited investigationFinal reportBell 47 Soloy · Intracoastal, LAthe loss of aircraft control by unknown person(s).NTSB FTW96FA216Accident · 2 fatalField investigationFinal reportNanchang CJ-6A · Shreveport, LAa loss of engine power due to failure of the pressure carburetor diaphragm which led to restricted fuel flow through the carburetor and eventual fuel starvation. Factors contributing to the accident were the unsuitable terrain and tall trees which resulted in…NTSB FTW95FA047Accident · 1 fatalField investigationFinal reportGrumman-Schweizer G-164B · Wisner, LAThe pilot's failure to maintain minimum required airspeed for flight. A factor was the pilot's lack of total experience in the type of aircraft.NTSB FTW93LA263Accident · 1 fatalLimited investigationFinal reportWsk Pzl Mielec M-18A Dromader · Frogmore, LAThe pilot's failure to maintain clearance with the powerline. A factor was the dusk light condition.NTSB FTW93LA241Accident · No injuriesLimited investigationFinal reportCessna 140 · Bastrop, LAThe pilot's failure to maintain directional control and his improper compensation for existing wind conditions. Factors were the crosswind and the pilot's lack of total experience in the type of aircraft.NTSB FTW92LA132Accident · No injuriesLimited investigationFinal reportSchweizer G-164D · Welsh, LAThe engine failure at liftoff due to the failure of multiple turbine blades and the pilot's inability to maintain directional control during the aborted takeoff.NTSB FTW89LA119Accident · No injuriesLimited investigationFinal reportCessna A185F · Marksville, LAFailure of the pilot to maintain directional control during the landing roll, which resulted in an inadvertent ground loop and a subsequent nose over.NTSB FTW88LA093Accident · No injuriesLimited investigationFinal reportPezetel PZL-M-18 · Cheneyville, LAThe pilot said that after takeoff the aircrft seemed extremely tail-heavy and that he used 'both feet and one arm' to hold forward stick. He said the aircraft was almost uncontrollable in pitch and displayed a right turning tendendcy. The pilot returned to…NTSB FTW86FRD25Accident · 1 fatalFinal reportWSK PZL Mielec PZL-M18 · Mer Rouge, LAThe pilot pulled up steeply at the end of a spray run and started a turn-around. During this time he allowed the airspeed to bleed off to the point at which the aircraft stalled and entered a spin without sufficient altitude to recover before ground impact…NTSB FTW82FRD15Accident · Serious injuriesFinal reportGrumman G-164A · Egan, LAAs the plt was adjusting the powerplant & prop controls the eng accelerated, & at the same time oil covered the windshield. The acft went down into a bean field & flipped over. Disassembly of the eng revealed the rear counterweight trailing pin worn &…NTSB FTW81DRD17Accident · No injuriesClosedGrumman G-164A · Lake Charles, LANTSB FTW79DRD46Accident · No injuriesClosedSchweizer SGS126 · Robert, LANTSB FTW72FRD22Accident · Minor injuriesClosedBoeing 75 · Iowa, LANTSB FTW68D0533Accident · No injuriesClosedBoeing A75 · Lake Charles, LANTSB FTW67A0046Accident · Minor injuriesClosedDouglas DC-8 · New Orleans, LANTSB FTW66F0351Accident · No injuriesClosedBeechcraft 95-A55 · Alexandria, LANTSB FTW65F0054Accident · No injuriesClosedGrumman G-164 · Welsh, LA