# Accident 19900928043459A: Mooney M20M, Flagstaff, AZ, September 28, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 28, 1990, 17:55 local time
- Place: Flagstaff, AZ
- Airport: Flagstaff Vor/Dme
- Damage: Destroyed
- Phase of flight: Forced Landing
- Operating rules: General operating rules (Part 91)
- Location: 35.2309° N, 111.7205° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=35.2309&lon=-111.7205&mi=10
- Aircraft: N9161D, registered now (https://openairdocs.org/aircraft/N9161D) (OpenAirDocs)
- Registry model: Mooney M20M (registry code 5870222, https://openairdocs.org/model/mooney-m20m) (OpenAirDocs)
- Registry engine: Lycoming TI0-540 series (registry code 41533, https://openairdocs.org/engine/lycoming-ti0-540-series) (OpenAirDocs)
- Reported make and model: MOONEY M20M
- Reported engine: LYC TIO540AF1A
- Fatal injuries: 0
- Pilot flight hours: 2,500 total, 8 in this make and model
- NTSB investigation: [NTSB LAX90LA338](https://openairdocs.org/ntsb/LAX90LA338) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900928043459A

## Narrative

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

LOST POWER ON APPROACH. UNABLE TO MAKE RUNWAY. CRASHED IN TREES. FUEL PUMP DIAPHRAM HAD RUPTURED. NEW AIRCRAFT.

## 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 LAX90LA338](https://openairdocs.org/ntsb/LAX90LA338), Sep 29, 1990: Mooney M-20-M (N9161D), Flagstaff, AZ, destroyed. Probable cause: ENGINE FAILURE DUE TO A RUPTURED FUEL PUMP DIAPHRAGM. A FACTOR IN THE ACCIDENT WAS THE UNSUITABLE NATURE OF THE TERRAIN TO MAKE A FORCED LANDING.

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.