# NTSB FTW84LA293: Mooney M20C, N6261U, Marshall, TX, June 30, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 29, 1984, 19:20 local (Jun 30, 1984, 00:20 UTC)
- Place: Marshall, TX
- Coordinates: 32.530685, -94.350189 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=32.5307&lon=-94.3502&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21383
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84LA293
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21383/pdf
- Page: https://openairdocs.org/ntsb/FTW84LA293

## Sequence of events

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

- Airframe/component/system failure/malfunction, approach
  - landing gear,gear indicating system - unlocked
- Main gear collapsed, landing - roll
  - landing gear,gear locking mechanism - overload (cause)
- On ground/water collision with object, landing - roll

## Analysis

THE PLT REPORTED INITIAL LANDING EXTENSION INDICATED AN UNSAFE CONDITION. THE LANDING GEAR WAS RECYCLED & A SAFE DOWN & LOCKED POSITION WAS INDICATED. ON LANDING ROLL THE ACFT VEERED LEFT OFF OF THE RWY & COLLIDED WITH TREES. TIRE MARKS ON THE RWY INDICATED THE LEFT MAIN GEAR PARTIALLY RETRACTED DURING THE LANDING ROLL. THE LEFT MAIN GEAR RETRACT ROD WAS FOUND BROKEN.

## Aircraft

- Registration: [N6261U](https://openairdocs.org/deregistered/N6261U-2013-02-11), registration cancelled 2013-02-11, S/N 2100, built 1962 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 2100
- Airframe hours: 3000
- Engines: LYCOMING O-360-A1A 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Dean O. Hanes
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 10, 1984
- Departed: 15R, CIBOLO, TX
- Airport: ASL, Harrison County, runway 15, 3,500 × 90 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 173 total, 13 in this make and model, 133 as pilot in command, 23 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 70° at 4 knots
- Visibility: 35 statute miles
- Lowest ceiling: 10,000 ft broken
- Temperature: 84 °F, dew point 68 °F
- Altimeter: 29.00 inHg
- Observed at: GGG, 22 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 19840629032029A](https://openairdocs.org/incident/19840629032029A), Jun 29, 1984: Mooney M20C, Marshall, TX, Substantial damage. Unsafe gear on first try. Recyled and got gear down light. Left main collapsed on landing roll. Broke retract rod.

## Other investigations on N6261U (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 FTW71FRA02](https://openairdocs.org/ntsb/FTW71FRA02), Jul 5, 1970: Mooney M20C (N6261U), Houston, TX, substantial damage

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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