# NTSB FTW84LA415: Cessna 172M, N61564, Lamesa, TX, September 12, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: September 12, 1984, 16:30 local (21:30 UTC)
- Place: Lamesa, TX
- Coordinates: 32.729743, -101.950798 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=32.7297&lon=-101.9508&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21483
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84LA415
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21483/pdf
- Page: https://openairdocs.org/ntsb/FTW84LA415

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - proper altitude - not maintained, pilot in command (cause)
  - procedures/directives - not followed, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - remedial action - not performed, pilot in command (cause)

## Analysis

THE PLT STATED HE WAS FOLLOWING AN AERIAL APPLICATION ACFT & MAY HAVE ENCOUNTERED PROPELLER WASH/DOWNDRAFT. THE ACFT COLLIDED WITH THE GROUND & WAS SUBSTANTIALLY DAMAGED.

## Aircraft

- Registration: [N61564](https://openairdocs.org/deregistered/N61564-1994-05-24), registration cancelled 1994-05-24, S/N 17264642 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Category: Airplane
- Serial number: 17264642
- Airframe hours: 2144
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Ben M. Dopson
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 11, 1984

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, unknown; flight hours: 1,500 total, 1,100 in this make and model, 20 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: none

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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