NTSB investigations: Amateur-built UNKNOWN ENG, ME

7 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

19722026
NTSB investigations: Amateur-built UNKNOWN ENG, ME per year, 1972–2026: 7 cases
19721
19941
19951
20011
20091
20121
20231

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\" = 'ME' AND c.\"eventCountry\" = 'USA'
    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 ERA24LA040Accident · Minor injuriesClass 3 · LimitedFinal reportBell Andy Skyraider II · Limington, METhe failure of the fuel pump to adequately supply fuel to the engine due to significant corrosion.Nov 16, 2023 · N90AB · Substantial damageNTSB ERA12LA411Accident · 1 fatalLimited investigationFinal reportUniversal Stinson 108 · Portland, MEA fatigue failure of the No. 3 piston skirt, which resulted in a total loss of engine power and the subsequent ditching in the ocean.Jun 24, 2012 · N39443 · Substantial damageNTSB ERA09LA457Accident · Serious injuriesLimited investigationFinal reportTidd Wesley Mini-Max · Hodgdon, METhe pilot's mismanagement of the fuel supply, which resulted in fuel starvation.Aug 8, 2009 · N569WT · Substantial damageNTSB NYC01LA184Accident · No injuriesLimited investigationFinal reportPohl Lancair IV-P · Fryeburg, MEA partial blockage of the air intake system, due to the pilot's failure to ensure the engine compartment was clear of paper towels after a maintenance inspection.Jul 23, 2001 · N488SD · Substantial damageNTSB NYC95FA188Accident · 1 fatalField investigationFinal reportBeech 58 · Mapleton, METhe pilot inadvertently shut down the right engine and feathered the propeller after a loss of power in the left engine, and he failed to maintain adequate airspeed, which resulted in an inadvertent stall/spin and collision with the ground. A factor relating…Aug 14, 1995 · N168CG · DestroyedNTSB NYC94LA072Accident · Serious injuriesLimited investigationFinal reportRandolph Flagg Boredom Fighter · Norridgewock, METhe loss of engine power for undetermined reasons.Mar 23, 1994 · N1932F · Substantial damageNTSB NYC73AN047Accident · 1 fatalClosedBell H-13G · Readfield, MESep 27, 1972 · N64816 · Substantial damage