# NTSB investigations: Classic WACO YMF

A list on [Classic WACO YMF](https://openairdocs.org/model/classic-waco-ymf.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB CEN26LA145](https://openairdocs.org/ntsb/CEN26LA145.md): Classic Waco YMF · Galveston, TX · Accident · No injuries · Class 4 · Limited · Final report · Mar 24, 2026 · N43000 · 2 aircraft · Substantial damage
  > The biplane pilot’s failure to maintain an adequate visual lookout while taxiing, which included the failure to perform S-turns to compensate for limited forward visibility.
- [NTSB GAA18CA434](https://openairdocs.org/ntsb/GAA18CA434.md): Classic Waco · North Myrtle Beach, SC · Accident · No injuries · Data collection · Final report · Jul 9, 2018 · N96T · Substantial damage
  > The pilot's failure to maintain directional control during landing in a left quartering headwind.
- [NTSB CEN17LA322](https://openairdocs.org/ntsb/CEN17LA322.md): Classic Waco YMF · Hamilton, OH · Accident · No injuries · Limited investigation · Final report · Jul 5, 2017 · N17XK · Substantial damage
  > The pilot's loss of directional control after landing for reasons that could not be determined because an examination of the airplane did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA14CA012](https://openairdocs.org/ntsb/ERA14CA012.md): Classic Waco YMF · Somerville, NJ · Accident · No injuries · Data collection · Final report · Oct 15, 2013 · N62XX · Substantial damage
  > The pilot's failure to maintain aircraft control while applying wheel brakes during landing roll resulting in the airplane nosing over.
- [NTSB ERA12LA126](https://openairdocs.org/ntsb/ERA12LA126.md): Classic Waco YMF5 · Marathon, FL · Accident · No injuries · Limited investigation · Final report · Dec 26, 2011 · N64JE · Substantial damage
  > The pilot did not ensure that there was sufficient fuel aboard the airplane before initiating the flight, which resulted in temporary fuel starvation and an interruption in engine power during maneuvering. Contributing to the accident was the pilot’s decision…
- [NTSB ERA10CA076](https://openairdocs.org/ntsb/ERA10CA076.md): Classic Waco YMF · Dunnellon, FL · Accident · No injuries · Data collection · Final report · Nov 16, 2009 · N89B · Substantial damage
  > The certified flight instructor’s delayed response to the student pilot's loss of directional control while landing, which resulted in a ground-loop. Contributing to the accident was the student pilot's loss of directional control.
- [NTSB NYC06LA134](https://openairdocs.org/ntsb/NYC06LA134.md): Classic Waco YMF · Hagerstown, MD · Accident · No injuries · Limited investigation · Final report · May 30, 2006 · N369AS · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB NYC06CA001](https://openairdocs.org/ntsb/NYC06CA001.md): Waco YMF · Kensington, NH · Accident · No injuries · Data collection · Final report · Oct 2, 2005 · N89B · Substantial damage
  > An overload fracture of the right main landing gear during the landing roll, which resulted in a nose over.
- [NTSB LAX05LA186](https://openairdocs.org/ntsb/LAX05LA186.md): Classic Waco YMF-5 · Santa Barbara, CA · Accident · Minor injuries · Limited investigation · Final report · May 22, 2005 · N181AS · Substantial damage
  > a loss of engine power due to carburetor ice aggravated by the poor operating condition of the magnetos and the improper magneto-to-engine timing.
- [NTSB LAX05CA052](https://openairdocs.org/ntsb/LAX05CA052.md): Classic Waco YMF · Santa Barbara, CA · Accident · No injuries · Data collection · Final report · Dec 13, 2004 · N95JD · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and failure to maintain directional control during landing rollout, which resulted in a ground loop.
- [NTSB LAX05LA002](https://openairdocs.org/ntsb/LAX05LA002.md): Classic Waco YMF · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Oct 2, 2004 · N43064 · Substantial damage
  > a loss of engine power due to the fatigue fracture of the number 7 cylinder exhaust rocker arm as a result of a grinding operation during manufacture.
- [NTSB NYC04CA190](https://openairdocs.org/ntsb/NYC04CA190.md): Classic Waco YMF · Bar Harbor, ME · Accident · Serious injuries · Data collection · Final report · Aug 9, 2004 · N723SR · Substantial damage
  > The pilot's inadequate compensation for wind conditions. A factor was the crosswind.
- [NTSB MIA04CA034](https://openairdocs.org/ntsb/MIA04CA034.md): Waco 4MF 5 · Marathon, FL · Accident · No injuries · Data collection · Final report · Dec 17, 2003 · N64JE · Substantial damage
  > The pilot's loss of directional control during landing rollout in a crosswind resulting in the airplane ground looping and incurring damage to the left wing.
- [NTSB LAX02LA035](https://openairdocs.org/ntsb/LAX02LA035.md): Classic Waco YMF · Banning, CA · Accident · No injuries · Limited investigation · Final report · Dec 1, 2001 · N31BN · Substantial damage
  > a loss of engine power due to a crack in the carburetor float and leaking portions of the carburetor that resulted in an overly rich mixture.
- [NTSB MIA99LA117](https://openairdocs.org/ntsb/MIA99LA117.md): Waco YMF-5 · Boca Raton, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 2, 1999 · N820MM · Substantial damage
  > The pilot's failure to select a suitable forced landing site following a partial loss of engine power due to failed cylinder holdddown studs, and the subsequent collision with trees. A factor in the accident was the reduced forward visibility from the dual…
- [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 LAX98LA165](https://openairdocs.org/ntsb/LAX98LA165.md): Waco YMF · Sedona, AZ · Accident · Serious injuries · Limited investigation · Final report · May 19, 1998 · N43064 · Minor damage
  > The failure of the pilot to secure the ignition system and magnetos in the off position before asking the ground crewman to rotate the propeller.
- [NTSB LAX97LA261](https://openairdocs.org/ntsb/LAX97LA261.md): Classic Waco YMF · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Jul 26, 1997 · N369BP · Substantial damage
  > A partial loss of engine power due to a loose rocker arm adjustment nut on the number 6 cylinder. The loose adjustment nut was due to inadequate maintenance adjustment performed by the engine manufacturer.
- [NTSB CHI97LA170](https://openairdocs.org/ntsb/CHI97LA170.md): Waco YMF · Longville, MN · Accident · No injuries · Limited investigation · Final report · Jun 14, 1997 · N820MM · Substantial damage
  > failure of the pilot to maintain directional control of the airplane. Factors relating to the accident were: the gusty wind condition and the ditch.
- [NTSB NYC97LA110](https://openairdocs.org/ntsb/NYC97LA110.md): Waco YMF · Ocean City, MD · Accident · No injuries · Limited investigation · Final report · Jun 8, 1997 · N34SK · Substantial damage
  > The pilot's failure to maintain directional control and his improper compensation for the wind conditions. Contributing factors were the lack of recent experience in the airplane, and gusty wind conditions.
- [NTSB ATL97LA017](https://openairdocs.org/ntsb/ATL97LA017.md): Waco YMF5 · Punta Gorda, FL · Accident · No injuries · Limited investigation · Final report · Oct 24, 1996 · N723SR · Substantial damage
  > the pilot's improper flare during touchdown.
- [NTSB LAX96LA092](https://openairdocs.org/ntsb/LAX96LA092.md): Classic Waco YMF · Kailua Kona, HI · Accident · No injuries · Limited investigation · Final report · Dec 29, 1995 · N40115 · 2 aircraft · Substantial damage
  > The failure of the Waco pilot to see and avoid the opposite direction Cessna 172 while both aircraft were taxiing in a non-movement area of the airport. Factors in the accident were: the congested nature of the taxi lane, which limited the Waco pilot's…
- [NTSB BFO94LA111](https://openairdocs.org/ntsb/BFO94LA111.md): Classic Waco YMF5 · Put-In-Bay, OH · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 1994 · N5YM · Substantial damage
  > The total loss of engine power for undetermined reasons. The lack of suitable terrain for a forced landing was a factor.
- [NTSB CHI94LA192](https://openairdocs.org/ntsb/CHI94LA192.md): Classic YMF-5 · Noblesville, IN · Accident · No injuries · Limited investigation · Final report · May 28, 1994 · N527MN · Substantial damage
  > the pilot's excessive use of brakes. Factors related to the accident were the crosswind and the pilot's inadequate compensation for the wind conditions.
- [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 ATL92LA164](https://openairdocs.org/ntsb/ATL92LA164.md): Classic Waco YMF-5 · Surfside Beach, SC · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1992 · N527MN · Substantial damage
  > The failure of the main landing gear as a result of inadequate manufacturing.
- [NTSB CHI91LA277](https://openairdocs.org/ntsb/CHI91LA277.md): Classic YMF5 · Hart, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1991 · N64JE · Substantial damage
  > Failure of the pilot to maintain directional control of the airplane during a takeoff ground run.
- [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 LAX90LA339](https://openairdocs.org/ntsb/LAX90LA339.md): Waco YMS · Kailua, HI · Accident · No injuries · Limited investigation · Final report · Sep 28, 1990 · N40115 · Substantial damage
  > Improper use of carburetor heat resulting in engine failure due to carburetor icing.
- [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.
- [NTSB MIA90LA098](https://openairdocs.org/ntsb/MIA90LA098.md): Waco YMF-5 · Marathon, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 31, 1990 · N89B · Substantial damage
  > Failure of the pilot to maintain directional control during takeoff, which resulted in an inadvertent ground swerve. Factors related to the accident were: the crosswind, the pilot's excessive compensation for the wind condition, and his lack of experience in…
- [NTSB MIA90IA020](https://openairdocs.org/ntsb/MIA90IA020.md): Classic YMF-5 · Marathon, FL · Incident · No injuries · Incident investigation · Final report · Oct 31, 1989 · N89B · Minor damage
  > The pilot's incorrect elevator control while taxiing with a quartering tailwind. Contributing to the incident was the tailwind condition.

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('2240101')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/classic-waco-ymf/ntsb

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
