# NTSB Incident ENG24LA012
> **BRITISH AEROSPACE BAE 146 SERIES 200A** · 2024-03-01 · Missoula, MT, USA · NONE
## Event
- **NTSB number:** ENG24LA012
- **Event ID:** 20240311193912
- **Type:** Incident
- **Date:** 2024-03-01
- **Location:** Missoula, MT, USA
- **Coordinates:** 46.913787, -114.07896
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 0
## Aircraft
- **Make:** BRITISH AEROSPACE
- **Model:** BAE 146 SERIES 200A
- **Registration:** N474NA
- **FAR Part:** PUBU
- **Engines:** 4
- **Damage:** MINR
## Conditions
- **Light:** NR
- **Weather:** Unk
## Probable cause

The use of a new long term fire retardant with a chemical composition incompatible with the retardant previously in use for the integration-operational field evaluation without adequate testing and qualification.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ENG24LA012) · AI Analytics · CC0 1.0*