# NTSB MKC84LA239: Piper PA-28-140, N57321, Mount Vernon, MO, August 4, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: August 4, 1984, 08:15 local (13:15 UTC)
- Place: Mount Vernon, MO
- Coordinates: 37.099102, -93.809753 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.0991&lon=-93.8098&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 33763
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC84LA239
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33763/pdf
- Page: https://openairdocs.org/ntsb/MKC84LA239

## Sequence of events

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

- On ground/water collision with object, standing - starting engine(s)
  - object - airport facility (contributing factor)
  - proper assistance - not obtained, pilot in command (cause)
  - starting procedure - improper, pilot in command (cause)

## Analysis

THE ACFT ROLLED FOWARD AND COLLIDED WITH A METAL HANGER AFTER THE PLT HAND PROPPED THE ACFT TO START IT. THE ACFT WAS TIED AT THE TAIL AND CHOCKED WITH THE PLTS OLDEST DAUGHTER ON THE FOOT BRAKES. IN SPITE OF THESE PRECAUTIONS THE ACFT GOT AWAY AND HIT THE BLDG.

## Aircraft

- Registration: [N57321](https://openairdocs.org/deregistered/N57321-2012-09-25), registration cancelled 2012-09-25, S/N 28-7425091 (OpenAirDocs)
- Reported make and model: PIPER PA-28-140
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 287425091
- Airframe hours: 5121
- Engines: LYCOMING O-320-E3D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Ronal K. Hall
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 2, 1984, 0 hours before
- Departed: M020, MT. VERNON, MO
- Airport: Mount Vernon

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 31; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 550 total, 1 in this make and model, 1 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 81 °F

## 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 19840804037939A](https://openairdocs.org/incident/19840804037939A), Aug 4, 1984: Piper PA28140, Mount Vernon, MO, Substantial damage. Aircraft rolled into a hangar after hand propping engine. Tied tale. Chooked wheels. Daughter on brakes. No avail.

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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