Final NTSB investigations: Waco ASO

10 cases on aircraft the registry lists as Waco ASO. 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

19642026
Final NTSB investigations: Waco ASO per year, 1964–2026: 10 cases
19641
19661
19671
19691
19751
19781
19881
19911
20041
20261

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.\"completionStatus\" = 'Completed'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('9601202'))
  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 ERA26LA280Accident · No injuriesClass 4 · LimitedFinal reportWaco ASO · Hamilton, OHThe separation of the right main landing gear axle, which resulted in a loss of control during the landing roll.Jul 24, 2026 · N119Y · Substantial damageNTSB IAD04CA015Accident · No injuriesData collectionFinal reportWaco ASO · Lexington, KYThe pilot's inadequate remedial action to wake turbulence. A factor was the pilot's failure to recognize that the takeoff conditions were conducive to wake turbulence.Apr 9, 2004 · N11253 · Substantial damageNTSB LAX91LA256Accident · No injuriesLimited investigationFinal reportWeaver WACO-ASO · Montague, CAFailure of the pilot to maintain directional control of the airplane and improper use of the brakes.Jun 9, 1991 · N4W · Substantial damageNTSB CHI88LA202Accident · No injuriesLimited investigationFinal reportWaco ATO · Middletown, OHThe plt stated that during initial climb the engine sputtered and he discovered that the fuel pressure gauge read zero. He made an immediate right turn back toward the airport. While attempting to glide to the airport he noticed that the fuel selector was set…Aug 12, 1988 · N763E · Substantial damageNTSB IAD79FLQ03Accident · No injuriesClosedWaco ASO · Mt Sterling, KYOct 29, 1978 · N11253 · Substantial damageNTSB NYC75FGM51Accident · No injuriesClosedWaco ASO · Belle Vernon, PAJun 29, 1975 · N268M · Substantial damageNTSB CHI70D0091Accident · No injuriesClosedWaco ASO · Dayton, OHJun 29, 1969 · N763E · Substantial damageNTSB MIA68D0230Accident · No injuriesClosedWaco ASO · Timmonsville, SCJul 26, 1967 · N9500 · Substantial damageNTSB MIA67F0251Accident · No injuriesClosedWaco ASO · Timmonsville, SCSep 2, 1966 · N9500 · Substantial damageNTSB UNK64X2808Accident · No injuriesClosedWaco ASO · Delta Bridge, LAJul 13, 1964 · N268M · Substantial damage