# NTSB investigations: Classic WACO YMF: Nose over

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ATL98LA101](https://openairdocs.org/ntsb/ATL98LA101.md): Waco WMF · Chamblee, GA · Accident · No injuries · Limited investigation · Final report · Aug 6, 1998 · N723SR · Substantial damage
  > The pilot's excessive taxi speed and excessive braking action that resulted in a nose over.
- [NTSB LAX94LA137](https://openairdocs.org/ntsb/LAX94LA137.md): Waco YMF-5 · Carlsbad, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 24, 1994 · N50YM · Substantial damage
  > The pilot's failure to follow the correct procedures when he released the parking brake. The inadvertently engaged parking brake and the outdated flight manual were factors in this accident.
- [NTSB LAX91LA271](https://openairdocs.org/ntsb/LAX91LA271.md): Classic YMF · Bullhead City, AZ · Accident · No injuries · Limited investigation · Final report · Jun 22, 1991 · N7P · Substantial damage
  > Excessive brake application by the pilot in command. A contributing factor in the accident was the wind gusts.
- [NTSB NYC90LA136](https://openairdocs.org/ntsb/NYC90LA136.md): Classic Waco · Plymouth, CT · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 1990 · N226HS · Substantial damage
  > The failure of the pilot to correctly recover from a bounced landing. Factors related to the accident were: improper use of the brakes by the pilot.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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.aircraft_model_code IN ('2240101')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 300))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2240101&occurrence=300

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