# NTSB investigations: Champion 7EC: Loss of control - on ground/water

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 MIA06LA068](https://openairdocs.org/ntsb/MIA06LA068.md): Champion 7EC · Zellwood, FL · Accident · No injuries · Limited investigation · Final report · Mar 19, 2006 · N4387C · Substantial damage
  > A loss of directional control due to the spring connecting the rudder to the tailwheel horn being detached.
- [NTSB IAD05LA011](https://openairdocs.org/ntsb/IAD05LA011.md): Champion 7EC · Clarksburg, WV · Accident · Serious injuries · Limited investigation · Final report · Nov 10, 2004 · N4306C · Substantial damage
  > The pilot's inability to operate the airplane's brake pedals which resulted in the loss of aircraft control.
- [NTSB NYC03LA126](https://openairdocs.org/ntsb/NYC03LA126.md): American Champion 7EC · Louisville, KY · Accident · No injuries · Limited investigation · Final report · Jun 10, 2003 · N607EC · Substantial damage
  > The pilots inadequate compensation for the crosswind conditions, and his failure to maintain directional control. A factor related to the accident was the crosswind.
- [NTSB SEA01LA114](https://openairdocs.org/ntsb/SEA01LA114.md): Champion 7EC · Mattawa, WA · Accident · No injuries · Limited investigation · Final report · Jun 8, 2001 · N7415B · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft during the landing roll. Contributing factors were the gusty crosswind condition and the high vegetation (sage brush) which the aircraft rolled into before nosing over.
- [NTSB NYC96LA151](https://openairdocs.org/ntsb/NYC96LA151.md): American Champion 7EC · Rochester, NH · Accident · No injuries · Limited investigation · Final report · Jul 17, 1996 · N8910R · Substantial damage
  > the pilot's inadequate compensation for winds and his failure to maintain directional control, which resulted in a ground loop and dragging of the wing on the runway.
- [NTSB NYC93LA160](https://openairdocs.org/ntsb/NYC93LA160.md): Aeronca 7EC · Moneta, VA · Accident · No injuries · Limited investigation · Final report · Aug 15, 1993 · N4306C · Substantial damage
  > The pilot's loss of directional control after landing, resulting in a departure from the runway and a collision with trees.
- [NTSB LAX93LA142](https://openairdocs.org/ntsb/LAX93LA142.md): Champion 7EC · Riverside, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 1993 · N9099B · Substantial damage
  > The cfi's inadequate supervision of the flight, the dual student's failure to maintain directional control and improper use of the normal brakes. Contributing to this accident was the dual student's improper use of the rudder.
- [NTSB FTW91LA111](https://openairdocs.org/ntsb/FTW91LA111.md): Champion 7ECA · Clinton, AR · Accident · No injuries · Limited investigation · Final report · Jun 30, 1991 · N7507B · Substantial damage
  > The loss of directional control due to locked wheel brake on the left landing gear.
- [NTSB CHI90LA133](https://openairdocs.org/ntsb/CHI90LA133.md): Champion 7EC · Hamilton, OH · Accident · No injuries · Limited investigation · Final report · May 11, 1990 · N4352C · Substantial damage
  > Failure of the pilot to maintain directional control, which resulted in an inadvertent ground swerve.
- [NTSB DEN89LA125](https://openairdocs.org/ntsb/DEN89LA125.md): Champion 7EC · St George, UT · Accident · No injuries · Limited investigation · Final report · May 16, 1989 · N7525E · Substantial damage
  > Inadequate compensation for the wind conditions by the pilot. The gusty crosswind, soft terrain, and ditch were contributing factors.
- [NTSB ANC88LA080](https://openairdocs.org/ntsb/ANC88LA080.md): Champion 7EC · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Mar 28, 1988 · N9061B · Substantial damage
  > The private pilot lost directional control of the airplane during the landing roll. The aircraft groundlooped to the left, striking a fence. The pilot reported that he came in high and hurried his approach to fit in with the flow of air traffic at the…
- [NTSB ANC84FA044](https://openairdocs.org/ntsb/ANC84FA044.md): Champion 7EC · Anchorage, AK · Accident · No injuries · Field investigation · Final report · Mar 12, 1984 · N4374C · Substantial damage
  > The acft swerved and collided with a snowbank during landing. The wind was calm and the rwy dry. After the collision the right landing gear collapsed.

## 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 ('21101NM')
    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" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=21101NM&occurrence=260

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