# NTSB FTW86LA042: Cessna 172N, N7576G, Marietta, OK, March 15, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 15, 1986, 11:45 local (17:45 UTC)
- Place: Marietta, OK
- Coordinates: 33.930862, -97.119979 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.9309&lon=-97.1200&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21998
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW86LA042
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21998/pdf
- Page: https://openairdocs.org/ntsb/FTW86LA042

## Sequence of events

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

- On ground/water encounter with terrain/water, takeoff - roll/run
  - terrain condition - rough/uneven (contributing factor)
  - airspeed - not obtained, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)

## Analysis

DURING TAKEOFF ROLL, AT ABOUT 45 KNOTS GROUND SPEED, THE LEFT MAIN LANDING GEAR CONTACTED A WATER ERODED SPOT ON THE RUNWAY. THE AIRCRAFT BOUNCED AND/OR WAS PULLED OFF THE GROUND WITHOUT SUFFICIENT SPEED TO MAINTAIN FLIGHT. THE AIRCRAFT SETTLED AND STRUCK A DIRT BANK WHICH RESULTED IN SUBSTANTIAL AIRCRAFT DAMAGE.

## Aircraft

- Registration: [N7576G](https://openairdocs.org/deregistered/N7576G-2013-05-08), registration cancelled 2013-05-08, S/N 17273614, built 1979 (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17273614
- Airframe hours: 2988
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Donald J. Dupree
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: Annual, October 1, 1985
- Departed: T40, MARIETTA, OK
- Destination: F70, FORT WORTH, TX
- Airport: T40, Mcghee Catfish Farm Arpt, runway 17, 2,400 × 60 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 73 total, 15 in this make and model, 31 as pilot in command, 36 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 15 knots, gusting 21
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 66 °F, dew point 48 °F
- Altimeter: 29.00 inHg

## 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 19860315035759A](https://openairdocs.org/incident/19860315035759A), Mar 15, 1986: Cessna 172N, Marietta, OK, Substantial damage. Left main struck a rough spot on runway during takeoff. Got airborne but stalled and struck an embankment.

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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