# Incident 19911129058729I: Piper PA31350, Denver, CO, November 29, 1991

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: November 29, 1991, 03:05 local time
- Place: Denver, CO
- Airport: Stapleton International
- Damage: Minor damage
- Phase of flight: Level Off Touchdown
- Operating rules: Air taxi and commuter (Part 135)
- Operator: TIMA
- Location: 39.8617° N, 104.6732° W: Placed by OpenAirDocs at , within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8617&lon=-104.6732&mi=10
- Aircraft: N354AC, a cancelled registration (https://openairdocs.org/deregistered/N354AC-1992-12-28) (OpenAirDocs)
- Registry model: Piper PA-31-350 (registry code 7103110, https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Reported make and model: PIPER PA31350
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 3,200 total, 400 in this make and model, 210 in the last 90 days
- NTSB investigation: [NTSB DEN92LA012](https://openairdocs.org/ntsb/DEN92LA012) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19911129058729I

## Narrative

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

UNABLE TO LOWER LANDING GEAR. LANDED GEAR UP. FOUND A MALFUNCTIONING DOWN-LOCKED SWITCH ON LEFT MAIN GEAR.

## 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 DEN92LA012](https://openairdocs.org/ntsb/DEN92LA012), Nov 29, 1991: Piper PA-31-350 (N354AC), Denver, CO, substantial damage. Probable cause: A FALSE UNSAFE LANDING GEAR INDICATION DUE TO A FROZEN DOWN LOCK SWITCH. FACTORS WERE: ICING CONDITIONS AND LOW CEILINGS.

## Other reports on N354AC (1)

Matched to the same aircraft by N-number and date.

- [Incident 19860202012489I](https://openairdocs.org/incident/19860202012489I), Feb 2, 1986: Piper PA31350 (N354AC), Salt Lake City, UT, Minor damage. While repositioning aircraft the left wing struck a ground handling vehicle.

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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