# NTSB Accident SEA01LA058
> **Avia Stroitel AC-5m** · 2001-03-04 · Bozeman, MT, USA · SERS
## Event
- **NTSB number:** SEA01LA058
- **Event ID:** 20010309X00572
- **Type:** Accident
- **Date:** 2001-03-04
- **Location:** Bozeman, MT, USA
- **Coordinates:** 45.770256, -110.930267
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Avia Stroitel
- **Model:** AC-5m
- **Registration:** N1635M
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the pilot's improper remedial action upon experiencing the unexpected opening of the aircraft's canopy during the initial part of the takeoff climb. Factors include his attention being diverted to the open canopy, his failure to use a checklist to ensure he did not miss any critical pre-takeoff actions, his failure to lock the canopy, and the unintentional opening of the canopy after liftoff.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA01LA058) · AI Analytics · CC0 1.0*