# NTSB Accident SEA91LA040
> **SWEARINGEN SA-227** · 1990-12-31 · KALISPELL, MT, USA · NONE
## Event
- **NTSB number:** SEA91LA040
- **Event ID:** 20001212X24828
- **Type:** Accident
- **Date:** 1990-12-31
- **Location:** KALISPELL, MT, USA
- **Coordinates:** 48.189331, -114.380966
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 15
- **Total aboard:** 15
## Aircraft
- **Make:** SWEARINGEN
- **Model:** SA-227
- **Registration:** N385PH
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

THE FLIGHT CREW'S INABLITY TO MAINTAIN DIRECTIONAL CONTROL AFTER LANDING IN SNOW-DEPTH CONDITIONS THAT HAD BEEN ERRONEOUSLY REPORTED AS BEING WITHIN OPERATING LIMITATIONS.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA91LA040) · AI Analytics · CC0 1.0*