NTSB investigations: Amateur-built UNKNOWN ENG
45 cases on aircraft whose registry engine model is Amateur-built UNKNOWN ENG, where the first occurrence was “In flight collision with terrain/water”. 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 | 1 |
|---|---|
| 1983 | 3 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1991 | 1 |
| 1992 | 2 |
| 1994 | 1 |
| 1995 | 1 |
| 1997 | 3 |
| 1998 | 2 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 5 |
| 2006 | 7 |
| 2007 | 4 |
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\" = 230))
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" = 230))
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 CHI08CA001Accident · No injuriesData collectionFinal reportDusenberry 1905 Wright Flyer · Dayton, OHThe altitude not maintained by the pilot for a turning maneuver.NTSB MIA07FA137Accident · 5 fatalField investigationFinal reportBeech A36 · Elizabethton, TNThe poor in-flight planning by the pilot-in-command for flying towards rising terrain with inadequate clearance.NTSB CHI07LA237Accident · 1 fatalLimited investigationFinal reportOpus Motorsports BD02 · Dayton, OHThe pilot not maintaining clearance from terrain during the aerobatic maneuver. Factors contributing to the accident were the pilot's restricted ability to see the terrain and the oil smoke present in the air show performer's box.NTSB MIA07CA046Accident · Minor injuriesData collectionFinal reportC.W Crane T2 · Bunnell, FLThe pilot's inadvertent encounter with adverse weather that resulted in a descent and an impact with terrain.NTSB SEA07LA025Accident · 2 fatalLimited investigationFinal reportHolloway RV6A · North Bend, ORThe pilot's failure to maintain clearance from the water while performing low altitude maneuvering flight resulting in an in flight collision with the water.NTSB CHI07FA009Accident · 1 fatalField investigationFinal reportBeech 95-B55 · Lawrenceville, ILThe improper judgment by the pilot to conduct a flight to, and execute an approach to, an airport with weather conditions that were below the required minimums. Also causal was the pilot's continued descent below the approach minimum descent altitude.…NTSB CHI06CA217Accident · No injuriesData collectionFinal reportVeltman CH701 · Owosso, MIThe pilot's inadequate preflight planning and inadequate compensation for the tailwind condition. Factors included the tailwind and the power lines.NTSB SEA06FA116Accident · 3 fatalField investigationFinal reportLciv Lancair IV-P Propjet · Provo, UTThe pilot's failure to maintain altitude/clearance during a VFR approach, which resulted in an in-flight collision with water. Contributing factors were the dark night light conditions and the low clouds.NTSB LAX06FA124Accident · 2 fatalField investigationFinal reportAero Vodochody L39 · California City, CAThe flight crew's failure to maintain terrain clearance during an intentionally performed course reversal turn at low altitude.NTSB ANC06FA018Accident · 1 fatalField investigationFinal reportAero Vodochody L-39MS · Ketchikan, AKThe pilot's failure to follow published instrument landing procedures and his descent below approach minimums during an IFR circle to land approach, which resulted in the airplane striking the ocean and a loss of engine power. Factors contributing to the…NTSB CHI06LA071Accident · 1 fatalLimited investigationFinal reportVillarubia RV-6 · Decatur, NEAn inflight collision with the terrain for undetermined reasons.NTSB SEA06CA010Accident · Minor injuriesData collectionFinal reportMichael Moneyhan Magnum · Cougar, WAThe pilot's inadequate in-flight decision to land on the uneven terrain, which resulted in the airplane nosing over. Factors contributing to the accident included the uneven terrain and the sunglare condition.NTSB MIA06LA006Accident · 1 fatalLimited investigationFinal reportSteven W. Jones KR2 · Venice, FLThe in-flight collision with the water for undetermined reasons.NTSB CHI05LA237Accident · 1 fatalLimited investigationFinal reportKircher RV-8 · Menomonie, WIThe pilot's decision to perform an aerobatic roll during takeoff, the low altitude, and his failure to maintain clearance from the crops and terrain.NTSB SEA05LA128Accident · 1 fatalLimited investigationFinal reportEllsberg One Design · Madras, ORThe pilot's failure to maintain altitude/clearance from terrain while performing aerobatics which resulted in a collision with the ground.NTSB LAX05LA215Accident · Minor injuriesLimited investigationFinal reportBeech BE76 · Glendale, AZthe flight instructor's decision to attempt a single engine go-around with multiple aircraft system failures, and his improper in-flight decision to pass up one airport for landing and continue the flight to the home base airport with known mechanical…NTSB LAX04LA313Accident · 2 fatalLimited investigationFinal reportRedgate Europa Classic · Marble Canyon, AZan in-flight collision with terrain for undetermined reasons.NTSB LAX03FA206Accident · 1 fatalField investigationFinal reportSchleicher ASW-27B · Valyermo, CAThe pilot's failure to maintain adequate terrain clearance altitude and his delayed remedial action by not turning away from the ridge when a lack of lift became apparent..NTSB LAX03LA173Accident · 1 fatalLimited investigationFinal reportAero Vodochody L-39 · Tracy, CAthe pilot's failure to maintain adequate terrain clearance while performing low level aerobatics.NTSB IAD01LA108Accident · No injuriesLimited investigationFinal reportVon Claparede Clemen Preceptor-Ultra · Dublin, VAThe pilot's failure to maintain sufficient altitude/clearance, which resulted in the airplane's collision with terrain. A factor was the downdraft.NTSB LAX01LA244Accident · 1 fatalLimited investigationFinal reportLevitsky BD-5T · Cameron Park, CAan in-flight collision with terrain for undetermined reasons.NTSB LAX00FA122Accident · 1 fatalField investigationFinal reportPiper PA-12 · Cima, CAIn-flight collision with terrain for undetermined reasons.NTSB FTW00LA006Accident · 1 fatalLimited investigationFinal reportWSK PZL Mielec M18 · Weldon, ARThe cause of the accident was undetermined.NTSB SEA99LA081Accident · 1 fatalLimited investigationFinal reportD. Wayne Smith Wayncraft 14 · Libby, MTCollision with terrain for undetermined reasons.NTSB MIA99FA043Accident · 3 fatalField investigationFinal reportCessna 402B · Pahokee, FLThe pilot's failure to maintain adequate altitude during the approach.NTSB FTW98FA354Accident · 1 fatalField investigationFinal reportMooney M20J · Centennial, WYThe pilot's disregard of information provided in weather briefs, and his flight into known adverse weather in mountainous terrain which resulted in an in-flight collision with a mountain. Factors were rain and low ceiling/visibility.NTSB FTW97LA337Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Saratoga, WYThe pilot's failure to consult airplane performance data based upon the weather conditions that prevailed. Factors were terrain induced turbulence and high density altitude.NTSB SEA97LA189Accident · Minor injuriesLimited investigationFinal reportRotz RAF 2000 GTX SE · Olympia, WAThe pilot's failure to attain adequate rotor rpm prior to takeoff.NTSB FTW97LA300Accident · No injuriesLimited investigationFinal reportPoor Boys Toys Exec 90 · Patricia, TXThe failure of the pilot to maintain terrain clearance with the crops during a surveying flight. A factor was the pilots diverted attention.NTSB LAX95FA144Accident · 1 fatalField investigationFinal reportCessna 310Q · Kahului, Maui, HIthe pilot's failure to maintain an adequate terrain clearance altitude while flying in a mountainous area at night.NTSB ANC94FA130Accident · 1 fatalField investigationFinal reportPiper PA-18 · Gulkana, AKThe pilot's failure to maintain clearance from terrain.NTSB LAX93LA047Accident · 1 fatalLimited investigationFinal reportNorth American F-51D · Wellington, NVThe pilot's improper handling of his airplane during the performance of an aerobatic maneuver with inadequate altitude.NTSB CHI92LA126Accident · Serious injuriesLimited investigationFinal reportCessna 170B · St. James, MOThe pilot's failure to maintain clearance from terrain during the attempted takeoff and climb out. A related factor was the rising terrain.NTSB CHI91DEP10Accident · No injuriesFinal reportAllan R. Goldman Dragonfly · Kenosha, WIInadequate aircraft design and insufficient information regarding wing versus canard angle for an amateur built aircraft.NTSB SEA88LA134Accident · Minor injuriesLimited investigationFinal reportCessna 180K · Eastsound, WAPlt was cruising at 200 feet over the water, looked down to get a chart under his seat and collided with the water.NTSB LAX88DUG05Accident · No injuriesFinal reportCosta TEENY-TWO · Corona, CAThe homebuilt teeny-two acft was built with a 40 HP, british reliant, hawk ae eng, rather than a volkswagon eng which builders normally used. It had been flown only one time before the acdnt flt. The 1st flt was made in cooler temp conds without incident; the…NTSB DEN87LA104Accident · No injuriesLimited investigationFinal reportDevore Sunbird 100 · Albuquerque, NMAn experimental designed prototype acft was being flown on its first flt. The acft took off and flew in ground effect beyond the arpt boundary. At full pwr, the acft could not maintain altitude and descended uncontrolled to an impact with the terrain. The…NTSB LAX86FA307Accident · 1 fatalField investigationFinal reportCherry HP16 · Llano, CAThe glider pilot departed on a local flight and the wreckage of his glider was spotted a little over an hour later. There were no known witnesses to the accident which occurred in VFR daylight conditions.NTSB LAX86FVA01Accident · 1 fatalFinal reportRobert D. Campbell KR-1 · Oakdale, CAThe acft crashed in a cow pasture in VMC wx. The acft left wing struck the ground in a steep angle of bank and the acft nosed in throwing the eng 450 ft farther across the field. The canopy & canopy latch were found prior to the impact point of the left wing.…NTSB CHI86FEX03Accident · No injuriesFinal reportBell H13G · Mccordsville, INThe helicopter rolled over after the main rotor blades contacted the terrain during an attempt to land from a hover. The plt had a student plt airplane certificate at the time of the accident.NTSB CHI84LA245Accident · Serious injuriesLimited investigationFinal reportBell 47-G2 · Nimrod, MNWhile landing in an area of tall grass a skid collided with a sand ridge causing a roll over.NTSB CHI83FA419Accident · 1 fatalField investigationFinal reportWarren Moneri S · Lapeer, MIThe glider collided with the ground after an unscheduled tow release at about 150 ft AGL.this was the plts first flt in this acft after having the engine removed and the acft recertified as a glider. Ground personnel observed the glider and tow pilot release…NTSB SEA83FA162Accident · 1 fatalField investigationFinal reportPiper PA-36 · Firth, IDAccording to witnesses, the acft was overheard returning to the strip for a second load. Reportedly, it went into a steep bank at about 70 ft AGL & turned toward the strip. As the wings leveled, sounds of high eng power ceased & the acft descend to the…NTSB MIA83FA175Accident · 2 fatalField investigationFinal reportLong EZE · Near Captiva, FLA witness observed the aircraft flying in a northerly direction about 1/2 mile away at an altitude of about 100 feet. It appeared to be travelling in excess of 80 KTS and the engine sounded normal. Another witness observed the aircraft strike the water in a…NTSB CHI82FA260Accident · 1 fatalField investigationFinal reportRotorway Scorpion TOO · Niles, OHThe plt's wife stated that the helicopter was taken across the street to an open field where the plt conducted his flt in the acft. She had never seen him fly this acft over about 3 ft AGL. The helicopter was observed to jump as if lifted by a gust of wind &…