# NTSB FTW85LA067: Mitsubishi MU-2B-35, N112SK, Robert Lee, TX, December 2, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 1, 1984, 19:10 local (Dec 2, 1984, 01:10 UTC)
- Place: Robert Lee, TX
- Coordinates: 31.879699, -100.290695 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=31.8797&lon=-100.2907&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21637
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW85LA067
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21637/pdf
- Page: https://openairdocs.org/ntsb/FTW85LA067

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Abrupt maneuver, landing - flare/touchdown
  - light condition - night (cause)
  - object - animal(s) (contributing factor)
- In flight collision with terrain/water, go-around (vfr)
  - terrain condition - rough/uneven (cause)
  - climb - not attained, pilot in command (cause)
  - preflight planning/preparation - inadequate, pilot in command (contributing factor)
- Complete gear collapsed, landing - roll
  - terrain condition - rough/uneven (cause)

## Analysis

THE ACFT WAS ON FERRY FLT WITH A PLANNED STOP AT ROBERT LEE ARPT. PRIOR TO TOUCHDOWN, DURING THE FLARE, THE PLT SAW 3 OR4 DEER IN THE MIDDLE OF THE RUNWAY. HE BANKED TO THE LEFT AND PRIOR TO ADDING POWER TO GO-AROUND, THE ACFT SETTLED TO THE GROUND NEXT TO THE RWY. DURING THE LANDING ROLL ALL THREE LANDING GEAR COLLAPSED. THE STAT ARPT DIRECTORY WARNS TO WATCH FOR DEER ON THE RWY AT THIS UNATTENDED AND UNLIGHTED ARPT. THE ACCIDENT OCCURRED AFTER DARK.

## Aircraft

- Registration: [N112SK](https://openairdocs.org/deregistered/N112SK-1994-11-10), registration cancelled 1994-11-10, S/N 651 (OpenAirDocs)
- Reported make and model: MITSUBISHI MU-2B-35
- Registry model: [Mitsubishi MU-2B-35](https://openairdocs.org/model/mitsubishi-mu-2b-35) (registry code 5780411) (OpenAirDocs)
- Category: Airplane
- Serial number: 35-651
- Airframe hours: 3083
- Engines: GARRETT TPE-331-6251M 724 horsepower turbo prop
- Damage: Substantial damage
- Flight: Ferry, Part 91
- Registered owner: Bush Field Aircraft Co.
- Airworthiness certificate: Standard, Normal
- Departed: CVN, CLOVIS, NM
- Destination: 54F, ROBERT LEE, TX
- Airport: 54F, Robert Lee, runway 36, 4,450 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; airline transport, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 20,182 total, 8,500 in this make and model, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/bright
- Wind: 190° at 6 knots
- Visibility: 30 statute miles
- Temperature: 55 °F, dew point 39 °F
- Altimeter: 29.00 inHg
- Observed at: SJT, 31 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19841201065369A](https://openairdocs.org/incident/19841201065369A), Dec 1, 1984: Mtsbsi MU2B35, Robert Lee, TX, Substantial damage. Landed beside runway to avoid deer. Nose gear collapsed. Deer warning on chart for the unlighted field.

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.

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