NTSB investigations: Amateur-built UNKNOWN ENG
120 cases on aircraft whose registry engine model is Amateur-built UNKNOWN ENG, where the first occurrence was “Loss of engine power”. 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
| 1982 | 3 |
|---|---|
| 1983 | 1 |
| 1984 | 2 |
| 1986 | 3 |
| 1987 | 6 |
| 1988 | 5 |
| 1989 | 2 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 4 |
| 1995 | 4 |
| 1996 | 3 |
| 1997 | 2 |
| 1998 | 4 |
| 1999 | 3 |
| 2000 | 8 |
| 2001 | 6 |
| 2002 | 15 |
| 2003 | 8 |
| 2004 | 4 |
| 2005 | 12 |
| 2006 | 7 |
| 2007 | 10 |
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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 350))
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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
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 MIA08LA007Accident · No injuriesLimited investigationFinal reportCatchot Angus Kitfox IV · Crescent City, FLThe loss of engine power for undetermine reasons.NTSB MIA07LA158Accident · No injuriesLimited investigationFinal reportFly BY Sea Comp AIR 1 · Rockledge, FLLoss of engine power for undetermined reasons.NTSB DFW07CA161Accident · No injuriesData collectionFinal reportRodgers Zodiac 601XL · Levelland, TXThe loss of engine power for undermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI07CA196Accident · Minor injuriesData collectionFinal reportAnderson Glasair FT II · Cedar Rapids, IAThe loss of engine power for undetermined reasons during the downwind leg, which resulted in a forced landing. A factor in the accident was the unsuitable terrain encountered.NTSB SEA07LA173Accident · Minor injuriesLimited investigationFinal reportHalsted Flightstar Pioneer · Nampa, IDThe failure (fracture) of the crankshaft of the non-certificated two-cycle engine during cruise flight. Factors include a ditch running through the field in which the pilot executed his engine-out forced landing.NTSB NYC07LA140Accident · Serious injuriesLimited investigationFinal reportStinson 108-2 · Washington, NCA loss of engine power for undetermined reasons. Contributing to the accident was the proximity of trees.NTSB LAX07LA184Accident · No injuriesLimited investigationFinal reportBrook Lancair IV-P · Parowan, UTA loss of engine power due to engine inlet icing. Contributing to the accident was the lack of engine inlet anti-icing capability.NTSB DFW07LA103Accident · 2 fatalLimited investigationFinal reportLivpt Lancair IV-P · McAllen, TXA loss of power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI07LA091Accident · Serious injuriesLimited investigationFinal reportHaddan Sonerai IIL · Fort Atkinson, WIThe pilot's failure to maintain airspeed following a loss of engine power for undetermined reasons. A low altitude and an inadvertent stall were factors.NTSB CHI07LA070Accident · Minor injuriesLimited investigationFinal reportReisinger Sonerai II L · Alma, MIThe loss of engine power during takeoff-initial climb for an undetermined reason. A factor in the accident was the lack of suitable terrain for a forced landing.NTSB ANC06LA130Accident · Minor injuriesLimited investigationFinal reportMcNabb Bushmaster · Delta Junction, AKAn electrical short that disabled the electronic ignition system of the airplane's engine during the final approach phase for landing, which resulted in a forced landing and collision with high vegetation. A factor contributing to the accident was the failure…NTSB CHI06LA164Accident · 1 fatalLimited investigationFinal reportMiller Zenair Cricket MC-12 · Lee's Summit, MOThe pilot's failure to maintain airspeed while operating in the traffic pattern after the loss of power in one engine, resulting in an inadvertent stall/spin. An additional cause was the loss of engine power in one of the two engines for undetermined reasons.NTSB DEN06CA085Accident · No injuriesData collectionFinal reportBrent W. Brown Murphy Moose · St. Francis, KSthe pilot's failure to open the fuel selector valve, resulting in fuel starvation. Contributing factors were the pilot's failure to use a checklist, his attention being diverted, and the fence.NTSB LAX06LA185Accident · No injuriesLimited investigationFinal reportDiamond Aircraft Industries HK 36 TTC · Payson, AZpartial loss of engine power for undetermined reasons.NTSB NYC06LA092Accident · Minor injuriesLimited investigationFinal reportMichaud KR2S · North Andover, MAA partial loss of engine power for undetermined reasons, during the initial climb, which resulted in a forced landing into trees.NTSB DEN06LA058Accident · No injuriesLimited investigationFinal reportEldredge NXT · Glenwood, NMthe loss of engine power due to the partial failure of the crankcase nose seal for undetermined reasons. A contributing factor was the pilot's diminished visibility during the forced landing due to oil on the windscreen, resulting in a runway excursion and…NTSB CHI06LA069Accident · No injuriesLimited investigationFinal reportZilz Zenith CH801 · Moscow Mills, MOA loss of engine power due to inadequate design of the engine compartment which resulted in inadequate engine cooling and fuel starvation due to vapor lock. Factors associated with the accident were the utility pole and trees which were contacted during the…NTSB MIA06LA028Accident · No injuriesLimited investigationFinal reportMestas Felix R Velocity LWFG-E · Punta Gorda, FLA loss of engine power for undetermined reasons.NTSB SEA06CA008Accident · No injuriesData collectionFinal reportWilliams Challenger II · Spokane, WAThe loss of all engine power while on downwind for undetermined reasons.NTSB LAX05CA310Accident · Minor injuriesData collectionFinal reportClark Vans RV8 · Sonoma, CAa loss of engine power due to the failure of the master electrical power switch, which removed power to the electronic ignition.NTSB CHI05CA263Accident · Minor injuriesData collectionFinal reportKeith Avid Amphibian · Buchanan, MIThe loss of engine power for undetermined reasons and the unsuitable terrain for landing encountered by the pilot. A factor was the power lines.NTSB NYC05LA133Accident · Serious injuriesLimited investigationFinal reportPalen Nieuport 11 · Rhinebeck, NYA loss of engine power for undetermined reasons.NTSB DFW05CA210Accident · No injuriesData collectionFinal reportMcCain RV-8 · Stephenville, TXThe loss of fuel pressure and subsequent loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB NYC05LA119Accident · No injuriesLimited investigationFinal reportPratt Ultravia Pelican-PL · Middlebury, VTA partial loss of engine power for undetermined reasons.NTSB SEA05LA118Accident · Minor injuriesLimited investigationFinal reportRash Vans RV-6A · Palouse, WALoss of engine power for undetermined reasons. Rising terrain was a factor.NTSB NYC05LA088Accident · 1 fatalLimited investigationFinal reportKlasing Bradley BA100 · Xenia, OHA loss of engine power for undetermined reasons, and the pilot's failure to maintain aircraft control, which resulted in an inadvertent stall and uncontrolled descent into terrain.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 CHI05CA100Accident · Minor injuriesData collectionFinal reportMitchell KR-2S · Cameron, MOThe loss of engine power for an undetermined reason and the misjudged landing flare which resulted in the bounced landing. Additional causes were the improper recovery from the bounced landing and the inadvertent stall. A factor was the pilot's lack of…NTSB CHI05LA094Accident · No injuriesLimited investigationFinal reportTschida Glastar · Kendallville, INA loss of engine power due to fuel starvation as a result of the fuel flow restriction at the internal engine fuel filter due the presence of the silicone sealant material. Contributing factors were the unsuitable terrain for a forced landing short of the…NTSB CHI04LA245Accident · Serious injuriesLimited investigationFinal reportFall Cub · Rockville, INThe fuel starvation encountered due to the builder's inadequate fuel system design and the subsequent loss of engine power during a maneuver for the landing approach. Factors were the tree and corn.NTSB FTW04CA192Accident · Minor injuriesData collectionFinal reportRotorway Exec · Conroe, TXThe loss of engine power due to the tripped fuel pump circuit breaker which resulted in the failure of the electric fuel pump.NTSB SEA04CA107Accident · No injuriesData collectionFinal reportSteward Rocky 162F · Hood River, ORThe pilot's miscalculation of fuel consumption and his inadequate in-flight planning/decision, which resulted in fuel exhaustion and loss of engine power. A factor was the high vegetation.NTSB FTW04LA152Accident · No injuriesLimited investigationFinal reportWSK PZL Mielec M-18A · Dumas, ARThe loss of engine power for undetermined reasons.NTSB FTW04LA040Accident · 2 fatalLimited investigationFinal reportHackney Vans RV-6A · Carthage, TXThe loss of engine power due to fuel starvation and the pilot's failure to maintain airspeed which resulted in a stall,NTSB ATL04LA003Accident · 1 fatalLimited investigationFinal reportWhitty Mustang II · Holly Ridge, NCThe loss of engine power for undetermined reasons, and the pilot's failure to maintain airspeed while maneuvering for a forced landing.NTSB ATL04LA001Accident · 1 fatalLimited investigationFinal reportJohnson Walter A Hornet · Saint Marys, GAThe loss of engine power due to improper maintenance and the pilot's failure to maintian airspeed during the attempted forced landing that resulted in a stall.NTSB ANC03LA112Accident · No injuriesLimited investigationFinal reportDusseau Kitfox · Nikiski, AKA loss of engine power for an undetermined reason, which resulted in an overrun during the emergency landing, and subsequent nose over in swampy terrain.NTSB SEA03LA163Accident · No injuriesLimited investigationFinal reportSchulze Lancair 360 · Vancouver, WALoss of engine power for undetermined reasons during the initial climb. Collision with a vehicle during landing was a factor.NTSB NYC03LA171Accident · 1 fatalLimited investigationFinal reportStewart Hummel Bird · North Baltimore, OHThe loss of engine power for undetermined reasons, and the pilot's failure to maintain airspeed, which resulted in an inadvertent stall during an emergency landing.NTSB CHI03LA155Accident · No injuriesLimited investigationFinal reportSesin EXEC90 · Searcy, ARThe unqualified maintenance performed by the pilot and the inadequate autorotation by the pilot. A factor contributing to this accident was the overtemperature of the engine cooling system.NTSB CHI03LA083Accident · No injuriesLimited investigationFinal reportNabole Steen Skybolt · Chanute, KSThe partial loss of engine power during takeoff-initial climb for undetermined reasons. The pilot's improper decision and unsuitable terrain are contributing factors.NTSB SEA03LA011Accident · Serious injuriesLimited investigationFinal reportPeterson Dragonfly · Mulino, ORFuel starvation of the engine while in cruise flight due to the owner/builder's alteration of the fuel system from that shown in the aircrafts plans. Factors include very rough terrain in the area where the pilot found it necessary to make his forced landing.NTSB LAX03LA036Accident · No injuriesLimited investigationFinal reportAsmus Exec 162F · Monterey, CAThe loss of engine power for undetermined reasons. A factor in the accident was the pilot's failure to maintain aircraft control during the forced landing.NTSB SEA03LA007Accident · 1 fatalLimited investigationFinal reportRiddell IV-P · Bozeman, MTThe loss of power for undetermined reason(s) and the pilot's failure to maintain the aircraft's flying speed above the power off stall speed in the landing configuration.NTSB CHI03LA012Accident · No injuriesLimited investigationFinal reportMork Kitfox III · Evansville, WIThe loss of power for undetermined reasons. A contributing factor is the unsuitable terrain.NTSB CHI02LA283Accident · Serious injuriesLimited investigationFinal reportTerning Sky Scout · Sedan, KSThe loss of engine power for undetermined reasons and the pilot's failure to maintain airspeed resulting in a stall.NTSB SEA02LA168Accident · Serious injuriesLimited investigationFinal reportNolley BD-5 · Corvallis, ORFuel starvation resulting in a loss of engine power during the aircraft's initial climb. A disconnected fuel line was a factor.NTSB CHI02CA267Accident · No injuriesData collectionFinal reportTomash Avid Flyer · Camp Lake, WIThe total failure of the engine ignition system, and the unsuitable terrain encountered during the forced landing. The low altitude was a contributing factor.NTSB FTW02LA223Accident · No injuriesLimited investigationFinal reportPiper PA-36-285 · Altus, OKThe loss of engine power as a result of the fracture of a compressor turbine blade due to fatigue. A contributing factor was the lack of suitable terrain for the forced landing.NTSB MIA02LA136Accident · No injuriesLimited investigationFinal reportYakovlev Yak 52 · Parrish, FLThe in-flight failure of a carburetor/fuel line fitting, resulting in loss of engine power, a forced landing to unsuitable terrain, and a ground collision with a farm vehicle during the emergency landing.