# Accident 19940820022259A: Beech 99, Helena, MT, August 20, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 20, 1994, 02:10 local time
- Place: Helena, MT
- Airport: Helena Regional Airport
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: Air taxi and commuter (Part 135)
- Operator: TIMA
- Location: 46.5302° N, 112.2109° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.5302&lon=-112.2109&mi=10
- Aircraft: N14MV, registered now (https://openairdocs.org/aircraft/N14MV) (OpenAirDocs)
- Registry model: Beech 99 (registry code 1154002, https://openairdocs.org/model/beech-99) (OpenAirDocs)
- Registry engine: Pratt & Whitney Canada PT6A-60A (registry code 52043, https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (OpenAirDocs)
- Reported make and model: BEECH 99
- Reported engine: PWA PT6A28
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 4,620 total, 100 in this make and model, 120 in the last 90 days
- NTSB investigation: [NTSB SEA94LA218](https://openairdocs.org/ntsb/SEA94LA218) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940820022259A

## Narrative

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

LEFT MAIN GEAR COLLAPSED TURNING OFF RUNWAY ON HIGH SPEED TAXIWAY. DOWN LOCK HOOK MISSED LOCKPLATE. RIGGING SUSPECT

## 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 SEA94LA218](https://openairdocs.org/ntsb/SEA94LA218), Aug 20, 1994: Beech 99 (N14MV), Helena, MT, substantial damage. Probable cause: LANDING GEAR LOCKING MECHANISM OVERLOAD AND IMPROPER RIGGING.

## Other reports on N14MV (4)

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

- [Incident 20020426010979I](https://openairdocs.org/incident/20020426010979I), Apr 26, 2002: Beech 99 (N14MV), Billings, MT, Minor damage. (-23) On April 26, 2002, tima, flt 5131, en route from gtf to bil, had the rear fairing from the cargo pod depart the aircraft. The flight crew stated they…
- [Incident 19861213083169I](https://openairdocs.org/incident/19861213083169I), Dec 13, 1986: Beech 99 (N14MV), Bangor, ME, Minor damage. Diverted when gear could not be extended for landing. Suspect improper maintenance.
- [Incident 19860210025669I](https://openairdocs.org/incident/19860210025669I), Feb 10, 1986: Beech 99 (N14MV), Manchester, NH. Left engine failed during climb. Diverted. Found internal failure of power section.
- [Incident 19820222005419I](https://openairdocs.org/incident/19820222005419I), Feb 22, 1982: Beech 99 (N14MV), Cedar Rapids, IA. Aborted takeoff due to power loss on right engine. Right engine power section p t disc blade damaged.

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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