# Accident 19950422011009A: Waco UPF7, Chino, CA, April 22, 1995

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 22, 1995, 10:51 local time
- Place: Chino, CA
- Airport: Chino Airport
- Damage: Substantial damage
- Phase of flight: Touch And Go Landing
- Operating rules: General operating rules (Part 91)
- Location: 33.9992° N, 117.6794° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.9992&lon=-117.6794&mi=10
- Aircraft: N20971, registered now (https://openairdocs.org/aircraft/N20971) (OpenAirDocs)
- Registry model: Waco UPF-7 (registry code 9601302, https://openairdocs.org/model/waco-upf-7) (OpenAirDocs)
- Registry engine: Continental W670-6N (registry code 17318, https://openairdocs.org/engine/continental-w670-6n) (OpenAirDocs)
- Reported make and model: WACO UPF7
- Reported engine: CONT W670*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 674 total, 620 in this make and model, 16 in the last 90 days
- NTSB investigation: [NTSB LAX95LA166](https://openairdocs.org/ntsb/LAX95LA166) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19950422011009A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

NOSED OVER LANDING. PILOT BELEIVED SHE HIT BRAKES BUT INSPECTION OF BRAKES SHOWED RETURN SPRING BROKE LOCKED BRAKE.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX95LA166](https://openairdocs.org/ntsb/LAX95LA166), Apr 22, 1995: Waco UPF-7 (N20971), Chino, CA, substantial damage. Probable cause: failure of the attachment link for the master cylinder return spring, which allowed the left brake to lock.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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