NTSB investigations: Amateur-built UNKNOWN ENG, 1984
26 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
| 1964 | 11 |
|---|---|
| 1965 | 12 |
| 1966 | 20 |
| 1967 | 16 |
| 1968 | 7 |
| 1969 | 11 |
| 1970 | 14 |
| 1971 | 16 |
| 1972 | 10 |
| 1973 | 12 |
| 1974 | 17 |
| 1975 | 13 |
| 1976 | 20 |
| 1977 | 19 |
| 1978 | 25 |
| 1979 | 18 |
| 1980 | 20 |
| 1981 | 19 |
| 1982 | 29 |
| 1983 | 21 |
| 1984 | 26 |
| 1985 | 22 |
| 1986 | 27 |
| 1987 | 31 |
| 1988 | 29 |
| 1989 | 15 |
| 1990 | 28 |
| 1991 | 20 |
| 1992 | 22 |
| 1993 | 27 |
| 1994 | 26 |
| 1995 | 31 |
| 1996 | 30 |
| 1997 | 22 |
| 1998 | 30 |
| 1999 | 34 |
| 2000 | 49 |
| 2001 | 45 |
| 2002 | 64 |
| 2003 | 67 |
| 2004 | 58 |
| 2005 | 70 |
| 2006 | 59 |
| 2007 | 74 |
| 2008 | 63 |
| 2009 | 62 |
| 2010 | 62 |
| 2011 | 44 |
| 2012 | 58 |
| 2013 | 43 |
| 2014 | 46 |
| 2015 | 40 |
| 2016 | 39 |
| 2017 | 43 |
| 2018 | 34 |
| 2019 | 40 |
| 2020 | 28 |
| 2021 | 36 |
| 2022 | 41 |
| 2023 | 41 |
| 2024 | 34 |
| 2025 | 32 |
| 2026 | 26 |
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 year(c.\"eventDate\") = 1984
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 year(c."eventDate") = 1984
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 FTW85FA088Accident · 4 fatalField investigationFinal reportMooney M20J · San Antonio, TXThe non-instrument rated plt obtained a wx briefing & filed an IFR flt plan although poor wx conditions existed (200 ft ceiling & one-half mi visibility) at San Antonio. The tower instructions to N5681K were to fly rwy heading (120 deg) after departure,…NTSB LAX85LA081Accident · No injuriesLimited investigationFinal reportWeedhopper Super Nova II · Lakeside, CAThe ultralight acft lost power on takeoff & stalled into the ground. According to the builder/plt the capillary type fuel pump had failed to function properly on the takeoff climb causing fuel starvation. He failed to recover from a nose high attitude in time…NTSB SEA85FA034Accident · Serious injuriesField investigationFinal reportde Havilland DHC-3 Turbo · West Seattle, WAAcft was performing test flt maneuvers when problems with the modified fuel system occurred. Ice blocking a fuel vent line caused a partial collapse of the main (engine feed) fuel cell which produced an errouneous fuel quantity reading. In addition, the main…NTSB MIA85LA056Accident · No injuriesLimited investigationFinal reportSikorsky UH34J · Carrabelle, FLThe acft was conducting external load logging operations in a hover at aprx 175 ft AGL when the power loss occurred. According to the plt, the eng ran intermittently with black smoke coming out of the exhaust pipe before the eng failed totally. The…NTSB MIA85LA030Accident · No injuriesLimited investigationFinal reportLet L-13 · Homestead, FLAccording to the plt, a downdraft was encountered on base leg causing the acft to descend and decelerate. Unable to reach the rwy the glider landed in an orchard.NTSB LAX85IA040Incident · No injuriesIncident investigationFinal reportWestland Helicopters WG30 · Santa Ana, CADuring a climb to cruise, the crew experienced control difficulties when the for-&-aft trim actuator began to motor forward and would not stop. An emerg descent was made with both plts exerting aft cyclic pressure to prevent the speed from increasing over 120…NTSB NYC85FFJ01Accident · Serious injuriesFinal reportStevens MONNETT-MONI · Endicott, NYThe acft collided with the terrain in an uncontrolled descent following a partial loss of power during a takeoff climb. The plt stated the RPM dropped from 5200 to 4600 at which time he attempted to lean the mixture. A severe vibration developed and not…NTSB CHI85LA017Accident · No injuriesLimited investigationFinal reportCrosetti Glasair - TD · Ypsilanti, MIThe acft had just returned from a flt. Engine run-up and pre-flt checks were normal. On initial climb, eng lost pwr to extent continued flight was not possible. Plt executed forced landing in an open field. Inspection revealed a bird feather lodged against…NTSB MKC85LA001Accident · No injuriesLimited investigationFinal reportAyres S2R-R3S · Lepanto, ARAs the pilot set climb power the acft began to settle. Full power was applied but the descent continued. The pilot dumped the chemical load and landed in a rice field. During recovery of the wreckage the flexible induction air duct partially collapsed…NTSB MKC84LA287Accident · Serious injuriesLimited investigationFinal reportRaven S55A · Prairie City, IAWhile the hot air balloon was airborne, the surface winds increased to 13 KTS. The plt instructed both passengers to prepare for a high wind landing. Contrary to the plt's instructions, the passenger, who became injured, crouched in the bottom of the basket…NTSB ATL84LA289Accident · No injuriesLimited investigationFinal reportWilliam T. Hodges Goldwing · Americus, GADuring the initial takeoff climb at an alt of 150 ft AGL, a ttl loss of power occurred. A forced landing was made in a soybean filed at which time the acft was substantially damaged. The plt stated the loss of power resulted from the installation of a…NTSB ANC84FA140Accident · No injuriesField investigationFinal reportCessna 180 · Anchorage, AKThe plt stated that he was taking off to the southeast & the acft was on the step when a x-wind hit, lifting the right wing. He said the left wing then hit the water, spinning the acft to the left & the nose hit the water. The acft went over on its back &…NTSB SEA84LA207Accident · No injuriesLimited investigationFinal reportCurtiss-Wright Travel AIR B9-4000 · Vancouver, WAThe pilot stated after the accident that he applied too much brake during the landing roll. The aircraft nosed over.NTSB ATL84FA241Accident · Serious injuriesField investigationFinal reportCessna 337A · Ocean Springs, MSThe acft stalled, rolled inverted and crashed into a hangar roof during an attempted go-around after an aborted landing. The plt had landed for refueling and offered a ride in the acft to a person that helped him during the refueling. Duringthe first landing…NTSB SEA84LA156Accident · No injuriesLimited investigationFinal reportMonett-Keating Moni · Bremerton, WAThe pilot stated he had shut down the engine several times to glide. On the last restart the engine ran for aprx 15 secsand then began to run rough and died. Attempted restarts were not successful. The aircraft failed to clear trees while attempting to land…NTSB CHI84LA272Accident · Minor injuriesLimited investigationFinal reportHoward E. Lee Rutan Long EZ · Minneapolis, MNThe plt claimed a loss of power during takeoff. He turned and attempted a landing on the arpt. The rwy was overrun and the acft stopped in a wheat field. Post accident examination of the engine revealed no discrepancies.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 MIA84IA177Incident · No injuriesIncident investigationFinal reportGrumman G-111 · West Palm Beach, FLAfter a repositioning flt, the main gear collapsed. An exam of the hand pump selector control valve revealed that one of the two dump ports for thr flap position had a hydraulic leak. Reportedly, this allowed system pressure to retract the gear. The valve,…NTSB FTW84LA247Accident · No injuriesLimited investigationFinal reportGermany Wetherell Sonerai I · Leander, TXPrior to the flight the plt adjusted the carburetor. A local flight was made to test the carburator. During the gliding apch to the rwy the plt noticed the eng idle power was 1400 RPM. While on base leg the plt advanced the throttle, however, eng pwr remained…NTSB LAX84LA298Accident · Minor injuriesLimited investigationFinal reportCessna P210N · Ramona, CAAs part of an experimental test flt in the turbine powered acft, intentional spins were performed. The planned one turn spin evolved into a flat spin. Recovery procedures were ineffective and the plt elected to deploy the anti-spin parachute. Despite repeated…NTSB MKC84LA138Accident · No injuriesLimited investigationFinal reportSoneria II · Kansas City, KSThe plt of the home built acft was practicing touch-&-go landings. While climbing out after the 5th landing, the plt's canopy unlatched & opened. The plt attempted to close the canopy & nosed the acft down to maintain a safe airspeed. While trying to close…NTSB ATL84LA144Accident · 1 fatalLimited investigationFinal reportBrown, R. M. JR. Monnett Moni · Kill Devil Hill, NCThe acft was the 4th acft to take off of 7 scheduled to make a formation fly-by of the wright brothers national memorial. As the acft took off to join up for the flt, a thick low fog bank rolled in. The other acft departed the area, but the plt attempted to…NTSB MIA84LA134Accident · No injuriesLimited investigationFinal reportBell 47D1 · Berlin, GAThe plt collided with power lines as he turned to fly back to reload the acft. The plt made a statement that he did not see the wires in the trees. The plt did not file an accident report.NTSB MIA84LA127Accident · No injuriesLimited investigationFinal reportBucker Flugzeugbau Jungmann · St. Augustine, FLThe plts of a Bucker jungmann, N1947G, & a pitts S-2B, N5302M, were practicing for an airshow. They began a maneuver called a 'mirror fly-by' in which the Bucker was rolled upside down & the pitts was flown underneath it. Due to the air flow over the wings…NTSB FTW84LA164Accident · Minor injuriesLimited investigationFinal reportEagle Balloons Eagle C-7 · Houston, TXThe plt stated that the wx at the accident site was scattered clouds between 150-650 ft AGL with a definite ceiling at 650 ft (broken). Visibility was 1 mi with rapidly forming fog layer. The plt descended with the intention of landing as soon as possible. He…NTSB DCA84AA014Accident · Serious injuriesFinal reportFokker F27-100 · Jamaica, NYDuring the previous flt, the acft encountered light icing conditions while crusing at 4000 ft. the capt stated that the ice disappeared from the acft's structure in the course of its descent at 3000 ft & he did not use wing de-icing or the eng cowling…