# Accident 19980930027299A: Amtr DRAGONFLY, Avon, MT, September 30, 1998

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 30, 1998
- Place: Avon, MT
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 46.6507° N, 112.6006° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.6507&lon=-112.6006&mi=10
- Aircraft: N4478V, a cancelled registration (https://openairdocs.org/deregistered/N4478V-2013-06-11) (OpenAirDocs)
- Registry model: Mayala Hjalmer A DRAGONFLY (registry code 05644HV, https://openairdocs.org/model/mayala-hjalmer-a-dragonfly) (OpenAirDocs)
- Registry engine: Volkswagen CONVERSION (registry code 63501, https://openairdocs.org/engine/volkswagen-conversion) (OpenAirDocs)
- Reported make and model: AMTR DRAGONFLY
- Fatal injuries: 0
- NTSB investigation: [NTSB SEA98LA192](https://openairdocs.org/ntsb/SEA98LA192) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19980930027299A

## Narrative

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

(-23) AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE DURING EMERGENCY LANDING IN A FIELD APPROX. 3 MILES NORTH OF AVON, MONTANA. PILOT STATED TO SHERIFF SCOTT HOWARD THAT ENGINE OIL PRESSURE WAS LOST PRIOR TO THE EMERGENCY LANDING. AIRCRAFT HOURS IN BLOCK 14 AND MISSING HOUR & CHECKRIDE INFORMATION IN BLOCK 31 UNAVAILABLE: PILOT HOSPITALIZED AND UNAVAILABLE FOR INTERVIEW.

## 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 SEA98LA192](https://openairdocs.org/ntsb/SEA98LA192), Sep 30, 1998: Mayala Dragonfly (N4478V), Avon, MT, destroyed. Probable cause: Failure of the engine crankshaft aft oil seal resulting in the loss of engine oil, and rough terrain during the forced landing.

## Other reports on N4478V (2)

Matched to the same aircraft by N-number and date.

- [Incident 19890802046939I](https://openairdocs.org/incident/19890802046939I), Aug 2, 1989: Amtr DRAGONFLY (N4478V), Helena, MT, Minor damage. Made abrupt turn after landing. Right gear failed. Crack in tail wheel attach arm. Rod missing from takeoff damage.
- [Accident 19860824041949A](https://openairdocs.org/incident/19860824041949A), Aug 24, 1986: Amtr DRAGONFLY (N4478V), Helena, MT, Substantial damage. Engine failed on short final. Aircraft landed short of runway. Throttle cable found binding.

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.

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