# Accident 19991212044359A: Mooney M20M, Missoula, MT, December 12, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 12, 1999, 19:37 local time
- Place: Missoula, MT
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 46.9004° N, 113.9192° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.9004&lon=-113.9192&mi=10
- Aircraft: N270BB, a cancelled registration (https://openairdocs.org/deregistered/N270BB-2000-04-08) (OpenAirDocs)
- Registry model: Mooney M20M (registry code 5870222, https://openairdocs.org/model/mooney-m20m) (OpenAirDocs)
- Reported make and model: MOONEY M20M
- People aboard: 1
- Fatal injuries: 1
- NTSB investigation: [NTSB SEA00FA031](https://openairdocs.org/ntsb/SEA00FA031) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19991212044359A

## Narrative

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

(-23) ENGINE MANIFOLD PRESSURE LOST DURING CRUISE. AIRCRAFT IMPACTED TERRAIN DURING DESCENT WHILE BEING VECTORED TO KMSO.

## 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 SEA00FA031](https://openairdocs.org/ntsb/SEA00FA031), Dec 12, 1999: Mooney M20-M (N270BB), Missoula, MT, destroyed, 1 fatal. Probable cause: Engine failure for undetermined reasons. Factors include the lack of suitable terrain for an emergency landing, trees and mountainous terrain.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
