NTSB investigations: Amateur-built UNKNOWN ENG

2,048 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, newest first

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'))
  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.

NTSB NYC82DA178Accident · No injuriesFinal reportPiper PA-28-181 · Dubois, PAAfter power interruption during cruise the pilot returned to the airport for landing. Turning base leg the engine ouit. The pilot cut short the base leg and landed on the grass beside runway 25. No reasons for engine malfunction was found.Aug 1, 1982 · N2852E · Substantial damageNTSB 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 &…Jul 21, 1982 · N9239Z · DestroyedNTSB ATL82DA206Accident · No injuriesFinal reportPitts S2S · Somerville, TNShortly after touchdown during a formation landing, the wingman's aircraft struck an engine stand that had been placed over a hole in the runway. The hole was located about 900 ft from the approach end and was about 2 ft long, 1 ft wide, and 1 ft deep. It was…Jul 21, 1982 · N31461 · Substantial damageNTSB ATL82DA200Accident · No injuriesFinal reportErcoupe 415-C · Richmond, KYPilot hand propped aircraft which broke tail tie-down rope and taxiied unattended into a runway light and a ditch about 175 feet from starting point.Jul 14, 1982 · N37109 · Substantial damageNTSB SEA82DA110Accident · No injuriesFinal reportRockwell Int'T S2R · Adrian, ORThe pilot landed on a dirt strip that had just been bladed. After touching down in a 3-point attitude, the aircraft rolled about 100 ft and then veered to the left. The pilot stated that he could not correct the situation with right brake and rudder, and…Jul 13, 1982 · N5610X · Substantial damageNTSB SEA82DA096Accident · No injuriesFinal reportBensen B-8M · Kennewick, WAThe pilot stated that he was demonstrating the gyrocopter's vertical decent capability at an eaa fly-in. He flew the aircraft into the wind at approximately 200 feet, reduced power and failed to recover from the sink rate.Jun 27, 1982 · N5919 · Substantial damageNTSB LAX82DAMS1Accident · 2 fatalFinal reportWing D-1 · Catalina Island, CAThe flt departed torrance at 1259 PDT & VFR conditions existed at the time. When the flt did not return a search was initiated. The search was terminated after 4 days. Friends & relatives speculated this may have been a dual instruction flt in preparation for…Jun 11, 1982 · N8601M · DestroyedNTSB 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 &…Jun 11, 1982 · N6787Q · DestroyedNTSB SEA82FYM18Accident · 2 fatalFinal reportMccall KR-2 · Union, ORReportedly, the aircraft departed la grande, OR with 12 gallons of fuel on board and was flown to baker, OR. Later, the pilot departed baker on a return flight to la grande without refueling. Subsequently, the plane was reported as missing. The next day it…Jun 6, 1982 · N54622 · DestroyedNTSB CHI82DA201Accident · No injuriesFinal reportCessna 140 · Stevens Point, WIDuring arrival, the pilot entered traffic for runway 21. The wind was from 180 degrees at 15 gusting to 35 KTS. The pilot stated that while on final approach, he slipped the plane to the right to land on the grass, but went beyond the smooth grass. After…Jun 6, 1982 · N3103N · Substantial damageNTSB CHI82DA197Accident · No injuriesFinal reportAdams A55 · Fritchton, INThe pilot decided to land due to deteriorating weather. A descent was initiated but the pilot was waved off by the owner of the property. The pilot regained altitude and landed in a corn field. A gust of wind caused the balloon to drift, the basket was drug…May 31, 1982 · N1062S · Substantial damageNTSB ATL82DA150Accident · No injuriesFinal reportBell 47D1 · Blountville, TNThe aircraft lost power at 100 feet above ground level. An autorotation was attempted to a highway. The hard landing resulted in the main rotor severing the tail.May 29, 1982 · N10065 · Substantial damageNTSB CHI82DA147Accident · Serious injuriesFinal reportMong Sport MS-1 · Pendleton, INWhen the pilot arrived at anderson, Indiana, he was unable to find the ace airport. He saw huntzinger airport, a private strip, and decided to land to find out exactly where ace airport was located. During an approach to the sod runway, the aircraft collided…May 1, 1982 · N98L · DestroyedNTSB MIA82DLA05Accident · 1 fatalFinal reportRaz-Mut 440A · Deland, FLThe pilot of this amateur/experimental aircraft was on an initial test flight. During the takeoff roll, the aircraft was observed to swerve left and right just before lift-off. After lift-off, it was observed to climb to about 70 to 100 ft AGL and drift left.…Apr 27, 1982 · N29826 · Substantial damageNTSB FTW82DA129Accident · No injuriesFinal reportQuickie · Cleveland, TXAfter taking off with full power, the pilot turned left to a crosswind position. Shortly thereafter, he noticed a partial power loss and turned further left to a downwind. From this position, there was a powerline between him and the runway. He elected to…Apr 14, 1982 · N1225G · Substantial damageNTSB SEA82DA047Accident · No injuriesFinal reportSikorsky S-58J · Siletz, ORAfter lift-off with a 3000 pound external sling load, a "pop" was heard followed by low-level vibration. Rotor RPM decayed and an autorotation was effected to a forced landing in a revine. Postcrash inspection revealed a failure of the engine drive "short…Apr 6, 1982 · N47246 · DestroyedNTSB SEA82DYA06Accident · Serious injuriesFinal reportRotorway Scorpion TOO · Jerome, IDThe pilot was familiarizing himself with the home built helicopter. After hovering in one general area for about 45 minutes, he decided to hover to an open area by crossing a fence. He stated that he entered translational lift at about 20 knots while hovering…Mar 25, 1982 · N222RP · DestroyedNTSB MIA82DA028Accident · No injuriesFinal reportSmith WCS-222 (Bell 47G) · Miami, FLDuring flight, the engine lost power and fire erupted on the engine compartment. Subsequently, the engine driven hydraulic boost for the flight control system became inoperative. The pilot was flying over a populated area. During his forced landing, he was…Jan 2, 1982 · N23BS · Substantial damageNTSB DEN82FTE10Accident · No injuriesClosedMome II · Longmont, CONov 23, 1981 · N9993A · Substantial damageNTSB SEA82DYK02Accident · No injuriesClosedPiper PA-24 · Gold Beach, OROct 18, 1981 · N7686P · Substantial damageNTSB FTW82DPD01Accident · No injuriesClosedPiper PA-36 · Munday, TXOct 5, 1981 · N57600 · Substantial damageNTSB SEA81DYM39Accident · No injuriesClosedGeo. Mccall KR-2 · La Grande, ORAug 30, 1981 · N54622 · Substantial damageNTSB SEA81FYK17Accident · Serious injuriesClosedPiper PA-12 · Bend, ORAug 28, 1981 · N7621H · DestroyedNTSB CHI81DEC41Accident · Minor injuriesClosedBlanik L-13 · Oxford, MIAug 19, 1981 · N3462 · Substantial damageNTSB DEN81FTK16Accident · No injuriesClosedGrum-Amer AA-5B · Custer, SDJul 28, 1981 · N81272 · Substantial damageNTSB DEN81FA053Accident · 2 fatalClosedLet Blanik · Aspen, COJul 26, 1981 · N38928 · DestroyedNTSB DEN81FA048Accident · 1 fatalClosedRyan Aero ST-A · Eaton, COJul 10, 1981 · N27JG · DestroyedNTSB FTW81FRA39Accident · No injuriesClosedBoeing A75N1 · Hockley, TXJun 7, 1981 · N64905 · Substantial damageNTSB FTW81FRA30Accident · Minor injuriesClosedHughes 269C · Houston, TXMay 13, 1981 · N7413F · DestroyedNTSB SEA81FYK08Accident · Minor injuriesClosedPiper PA-22 · Medford, ORApr 30, 1981 · N7712D · Substantial damageNTSB FTW81DRD17Accident · No injuriesClosedGrumman G-164A · Lake Charles, LAApr 3, 1981 · N6787Q · Substantial damageNTSB FTW81DQA21Accident · Serious injuriesClosedRaven AX-7 · Rio Rancho, NMMar 29, 1981 · N1237R · No damageNTSB FTW81DQD18Accident · No injuriesClosedSchweizer 1-26E · Dell City, TXMar 22, 1981 · N17932 · Substantial damageNTSB SEA81FYK07Accident · Serious injuriesClosedHiller Acft UH-12E · Umpqua, ORMar 18, 1981 · N90467 · Substantial damageNTSB LAX81FUJ35Accident · Serious injuriesClosedBobcat 1 · Phoenix, AZFeb 18, 1981 · N14TH · Substantial damageNTSB FTW81FRA16Accident · Serious injuriesClosedHelio Acft H-295 · Liberty, TXFeb 9, 1981 · N6340V · DestroyedNTSB ATL81IA033Incident · No injuriesClosedMitsubishi MU-2B · Norfolk, VAJan 6, 1981 · N755Q · Minor damageNTSB LAX81DXQ03Accident · No injuriesClosedCessna 180 · Truckee, CANov 26, 1980 · N9232C · Substantial damageNTSB LAX81FUG01Accident · Minor injuriesClosedTaylorcraft BL-65 · Corona, CAOct 22, 1980 · N1041D · Substantial damageNTSB SEA81FYM01Accident · 1 fatalClosedWalker Mini · Trout Lake, WAOct 2, 1980 · N249KY · DestroyedNTSB FTW80FQA46Accident · Minor injuriesClosedSchweizer SGS126 · Moriarty, NMSep 27, 1980 · N8671R · DestroyedNTSB ATL81FA099Accident · No injuriesClosedSnow AT302A · Selma, ALSep 25, 1980 · N8603S · Substantial damageNTSB FTW80DPD43Accident · No injuriesClosedPiper PA-36 · Knox City, TXAug 23, 1980 · N57746 · DestroyedNTSB NYC80DA067Accident · Minor injuriesClosedHiller Acft UH-12C · Meriden, CTAug 9, 1980 · N1042C · Substantial damageNTSB LAX80DUG50Accident · Serious injuriesClosedSchweizer SGS126 · Rabbit Dry Lk, CAAug 9, 1980 · N17916 · Substantial damageNTSB CHI80FEV31Accident · No injuriesClosedGrumman 164B · Maroa, ILAug 4, 1980 · N48445 · DestroyedNTSB SEA80DYA20Accident · No injuriesClosedWeatherly 201B · Mountain Home, IDJul 26, 1980 · N1293W · Substantial damageNTSB DEN80FTM31Accident · No injuriesClosedCessna 182 · Hanksville, UTJul 19, 1980 · N8859X · Substantial damageNTSB CHI80FEI29Accident · No injuriesClosedScorpion H1754R · North Jackson, OHJul 11, 1980 · N40WM · Substantial damageNTSB NYC80FFJ08Accident · Minor injuriesClosedJackson Skyblt · Lakeville, NYJun 14, 1980 · N22KJ · Destroyed