NTSB investigations: Amateur-built UNKNOWN ENG, 1983
21 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 | 25 |
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\") = 1983
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") = 1983
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 NYC84FHM03Accident · No injuriesFinal reportHomebuilt Spad Xiii · Montgomery, NYThe acft lost power about 1 mile from the arpt and the plt made a forced landing on a farm. The acft nosed over. The weather conditions were conducive to carburetor icing and this acft has no provision for carburetor heat control.NTSB ATL84LA046Accident · No injuriesLimited investigationFinal reportBell 47-G · Middle River, MDWhile practicing hovering about 2 ft AGL the student allowed the helicoper to start drifting aft & right. The right skid heel contacted the ground & the helicopter roll onto its right side.NTSB LAX84AA054Accident · Serious injuriesFinal reportWestland Helicopters 30-100 · Long Beach, CAAt 4,000 ft MSL directional control was lost. Witnesses observed the helicopter descending through the localized cloud layer in a left high-rotation turn, with the pitch attitude varying & its rate of descent 'very fast.' The helicopter then collided with…NTSB DEN83LA218Accident · No injuriesLimited investigationFinal reportSchweizer SGS 1-34 · Park City, UTThe glider dragged a wing and nosed into the ground before ground looping during landing. The pilot said he was lifted by an updraft during landing and was running out of landing space so he turned to an alternate area. The turn was made at 150-200 ft AGL &…NTSB CHI83IA418Incident · No injuriesIncident investigationFinal reportBoeing 727-200 · Chicago, ILThe acft experienced a left walking beam failure when the landing gear was extended during approach, the acft log was noted 'during gear extension at 230 KTS tremendous bang occurred which dropped panels at rows 15-7 02 masks at row 18. Three green normal…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 SEA83FA141Accident · 1 fatalField investigationFinal reportMonnett - Larsen Moni · Albany, ORThe home built, powered glider was being flown on a local test flight. According to witnesses, the acft was in unpowered flt (gliding) when it entered a descent & crashed. At about the same time it began descending, they observed something separate from the…NTSB MKC83LA139Accident · No injuriesLimited investigationFinal reportBowlin Quickie · Grain Valley, MOThe acft made a landing during its first test flight. The plt stated that he had slowed the acft to below 65 mph at about 10 ft above the rwy. At this point the canard stalled & the nose pitched down. There was no damage on the first rwy contact. On the…NTSB NYC83LA135Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob 109 · Finleyville, PAThe motorized glider collided with trees and the terrain during an emergency landing after the prop had struck the ground during takeoff. During the takeoff roll the propeller 1st collided with high grass and then a bump in the ground after the pilot lost…NTSB CHI83LA244Accident · Serious injuriesLimited investigationFinal reportMonerai Sailplane · Montpelier, OHThe glider dragged a wing and carlwheeled during a low turn maneuver by the pilot. The pilot stated that he apparently had failed to lock the flap handle in the proper position and the acft had picked up excess airspeed. In trying to stay in the rwy…NTSB DEN83FA131Accident · 2 fatalField investigationFinal reportAero Commander 680FL · Monticello, UTThe acft crashed while doing magnetometer surveys at low altitude. The right engine had lost power then regained it for a short period and lost it again. A videotape in the acft recorded the plt saying, 'I changed that # just in time.' The acft yawed and the…NTSB FTW83LA247Accident · No injuriesLimited investigationFinal reportFairchild Hiller FH-1100 · Beaumont, TXThe helicopter was damaged in an emergency landing in a street. The acft had just taken off from an adjoining parking lot in a shopping center. According the plt the acft lost rotor RPM at 150-175 ft during climb after takeoff and went into a 'settling with…NTSB CHI83LA215Accident · Minor injuriesLimited investigationFinal reportCessna 120 · Grandville, MIReportedly, the plt increased the bank angle during a turn to align the acft on final apch, then the plane lost speed & stalled. Subsequently, the acft impacted the ground aprx 480 ft southwest of the rwy threshold. Aprx 10 mi east at grand rapids, MI, the…NTSB CHI83LA197Accident · Serious injuriesLimited investigationFinal reportHolmes XTC2 · River Falls, MNThe acft pulled up steeply after takeoff and stalled. The acft crashed back on the rwy. The pilot said he reduced power after takeoff and the acft stalled. He also said if he had not reduced power the accident would not have happened.NTSB DEN83LA099Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · Belfield, NDThe helicopter rolled over on a slight slope in an open field during a landing. The pilot stated that the acft touched down on the left skid, the acft started to tip to the left and he over corrected so that the acft rolled over to the right.NTSB MIA83LA102Accident · Serious injuriesLimited investigationFinal reportGemini Int'l. Humingbird · Lakeland, FLThe acft landed hard and collapsed the nose gear after one engine failed during takeoff. The acft had made one takeoff and landing and was beginning a second. As the acft rotated the left engine failed due to the throttle linkage becoming disconnected. The…NTSB NYC83FHJ01Accident · Minor injuriesFinal reportHarrison Volmer VJ-22 Amphibian · Schinnecock Bay, NYWhile gaining speed on step to make water takeoff the hull of the aircraft collided with something not seen in the waterand began to sink. The aircraft filled with water and sank until it rested on the bottom with only the prop tip showing the weather was VFR…NTSB MIA83LA079Accident · No injuriesLimited investigationFinal reportHughes 500-369HS · Boca Raton, FLThe plt reported the flt experienced a total eng power loss & the acft was ditched in the intracoastal waterway. All examinations & tests conducted during the investigation revealed no evidence of a preimpact failure or malfunction of the airframe or eng.NTSB LAX83IA080Incident · No injuriesIncident investigationFinal reportBoeing 767-231 · San Diego, CAWhile descending thru 12,000 ft aprx 40 mi east of San Diego, CA, the left overwing evacuation slde annunciator light illuminated. The slide separated from the acft aprx 7 mi east of the arpt. No flt control problems were noted. Integrity of the sys was found…