Fatal NTSB investigations: Amateur-built UNKNOWN ENG, UT

11 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

19832026
Fatal NTSB investigations: Amateur-built UNKNOWN ENG, UT per year, 1983–2026: 11 cases
19831
19931
19941
19961
20021
20031
20061
20091
20111
20151
20221

Latest 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.\"eventStateOrRegion\" = 'UT' AND c.\"eventCountry\" = 'USA'
    AND c.\"highestInjuryLevel\" = 'Fatal'
    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.

NTSB WPR22FA227Accident · 2 fatalClass 3 · FieldFinal reportCessna 152 · Mendon, UTThe flight instructor’s failure to recover from a developed spin, which resulted in impact with terrain. Contributing to the accident was the flight instructor’s decision to enter the maneuver below the operator’s altitude limitation.Jun 24, 2022 · N934JH · Substantial damageNTSB WPR16FA036Accident · 2 fatalClass 3 · FieldFinal reportBarnett Allen S RV7 · Hurricane, UTThe pilot’s aerobatic maneuver leading to airspeeds above the airplane’s never exceed speed, which resulted in rudder flutter and an in-flight breakup.Dec 10, 2015 · N307AB · Substantial damageNTSB WPR11FA147Accident · 1 fatalField investigationFinal reportNeefjes Lancair 360 MK-II · Milford, UTThe pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his…Feb 27, 2011 · N989TT · Substantial damageNTSB WPR09LA269Accident · 2 fatalLimited investigationFinal reportStorch Aviation Australia PTY SS-MK4 · Boulder, UTThe pilot's failure to maintain clearance from power lines during low altitude maneuvering.May 29, 2009 · N2898J · Substantial damageNTSB 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.Jun 9, 2006 · N95CE · DestroyedNTSB DEN03FA034Accident · 2 fatalField investigationFinal reportYakovlev YAK 52 · Midway, UTThe malfunction of the elevator control as a result of a jammed elevator control bell crank, rendering control of the airplane impossible. A contributing factor was the foreign object (nut) damage.Jan 16, 2003 · N2256J · DestroyedNTSB DEN02FA076Accident · 2 fatalField investigationFinal reportWheeler Doug 2000 · Ogden, UTthe pilot's failure to obtain and maintain adequate main rotor rpm, resulting in blade flapping and subsequent blade contact with the airframe, severing of the tailboom, and causing loss of aircraft control. Contributing factors were the high gusty winds, and…Jul 17, 2002 · N2058T · DestroyedNTSB SEA96FA036Accident · 1 fatalField investigationFinal reportPiper PA-28-235 · Lehi, UTcontinued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude and/or clearance from mountainous terrain. Factors relating to the accident were: darkness, low ceiling, and snow.Jan 2, 1996 · N8870W · DestroyedNTSB SEA94LA119Accident · 1 fatalLimited investigationFinal reportHallstrom BD-5B · St. George, UTCarburetor contamination and low output, and the pilot's improper decision to attempt to continue the approach. A factor was the pilot's lack of recent flight experience.May 17, 1994 · N224FH · DestroyedNTSB SEA93LA174Accident · 2 fatalLimited investigationFinal reportBrauch Glasair · Blanding, UTThe loss of engine power resulting from inadequate maintenance inspection by the pilot, a leak from loose fuel system line fittings, and fuel exhaustion. A factor relating to the accident was the rough/uneven terrain.Aug 7, 1993 · N365WB · DestroyedNTSB 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…Jun 2, 1983 · N271VT · Destroyed