# NTSB Accident DEN92LA012
> **PIPER PA-31-350** · 1991-11-29 · DENVER, CO, USA · NONE
## Event
- **NTSB number:** DEN92LA012
- **Event ID:** 20001212X18442
- **Type:** Accident
- **Date:** 1991-11-29
- **Location:** DENVER, CO, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-31-350
- **Registration:** N354AC
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** IMC
## Probable cause

A FALSE UNSAFE LANDING GEAR INDICATION DUE TO A FROZEN DOWN LOCK SWITCH. FACTORS WERE:  ICING CONDITIONS AND LOW CEILINGS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN92LA012) · AI Analytics · CC0 1.0*