# Accident 19991021047639A: Beech S35, Roundup, MT, October 21, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 21, 1999, 14:00 local time
- Place: Roundup, MT
- Airport: Private
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 46.5694° N, 107.9296° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.5694&lon=-107.9296&mi=10
- Aircraft: N8811M (not matched to a registry record)
- Reported make and model: BEECH S35
- Reported engine: CONT IO520B
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 525 total, 105 in this make and model, 23 in the last 90 days
- NTSB investigation: [NTSB SEA00LA005](https://openairdocs.org/ntsb/SEA00LA005) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19991021047639A

## Narrative

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

(.4) THE PILOT REPORTED THAT WHILE EN ROUTE, THE ENGINE STARTED TO MISS. THE PILOT ATTEMPTED TO TROUBLE-SHOOT THE PROBLEM WITH NO SUCCESS.  THE PILOT OPTED TO DIVERT TO A PRIVATE AIRSTRIP THAT HE WAS UNFAMILIAR WITH SO HE SET-UP FOR A SHORT FIELD LANDING.  WHILE ON SHORT FINAL, THE ENGINE MISSED AND THE AIRPLANE DESCENDED IN ALTITUDE.  THE ALTITUDE WAS INSUFFICIENT FOR THE PILOT TO PUSH THE NOSE DOWN, SO THE PILOT OPTED TO TRY AND ARREST THE SINK RATE.  THE AIRPLANE SETTLED TO THE GROUND AND LANDED HARD ABOUT 25 TO 50 FEET SHORT OF THE AIRSTRIP, COLLAPSING THE LANDING GEAR.  THE ENGINE WAS FIRST INSPECTED, THE PREPARED FOR AN ENGINE RUN.  THE ENGINE STARTED ON THE FIRST ATTEMPT AND RAN SMOOTHLY. THE MAGNETOS, MIXTURE AND FUEL PRESSURE WERE CHECKED AND ALL WERE FOUND WITHIN NORMAL OPERATING PARAMETERS.            (-23) THE PILOT STATED THAT WHILE HE WAS ENROUTE FROM BILLINGS, MT TO GLASGOW, MT THE ENGINE BEGAN TO LOSE POWER. THE PILOT STATED WHILE HE WAS MAKING A PRECAUTIONARY LANDING AT THE ROBERT'S RANCH PRIVATE STRIP (UNCHARTED), THE ENGINE LOST PARTIAL POWER AGAIN ON SHORT FINAL. THE AIRCRAFT COULD NOT MAKE THE RUNWAY AND LANDED APPROXIMATELY 25 FEET SHORT OF THE RUNWAY.

## 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 SEA00LA005](https://openairdocs.org/ntsb/SEA00LA005), Oct 21, 1999: Beech S35 (N8811M), Melstone, MT, substantial damage. Probable cause: Loss of engine power for undetermined reasons.

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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