# NTSB ATL93LA141: Cessna 150F, N6255R, Wilmington, NC, August 1, 1993

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 1, 1993, 13:30 local (17:30 UTC)
- Place: Wilmington, NC
- Location: 34.2257° N, 77.9447° W: Placed by OpenAirDocs: center of Wilmington, NC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.2257&lon=-77.9447&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 20, 1994
- Report: Approved by Office Director
- NTSB case key (mKey): 3250
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL93LA141
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/3250/pdf
- Page: https://openairdocs.org/ntsb/ATL93LA141

## Probable cause

A HIDDEN SOFT SPOT ON THE RUNWAY THAT RESULTED IN A NOSE OVER OF THE AIRPLANE DURING A LANDING ROLL.

## Sequence of events

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

- Nose over, landing - roll
  - terrain condition - soft (cause)

## Analysis

ACCORDING TO THE PILOT, THE AIRPLANE NOSED OVER DURING THE LANDING ROLL ON A SOD AIRSTRIP. DURING ROLL OUT THE NOSE WHEEL COLLIDED WITH A SOFT SPOT ON THE SOD SURFACE.  EXAMINATION OF THE AIRSTRIP SURFACE REVEALED A HIDDEN SOFT SPOT BENEATH THE GRASS IN THE VICINITY WHERE THE AIRPLANE NOSED OVER.

## Factual narrative

On August 1, 1993, at 1330 eastern daylight time, a Cessna 150, N6255R, landed long and nosed over on a sod airstrip near Wilmington, North Carolina. The personal flight operated under 14 CFR Part 91 with no flight plan filed. Visual weather conditions prevailed at the time of the accident. The airplane was substantially damaged and the pilot was not injured. The time the flight departed Wilmington was not determined.

During the landing rollout, the nose wheel hit a soft spot in the runway surface and nosed over. Examination of the sod surface disclosed an undetectable soft section beneath the grass covering in the vicinity of the nose gear collision.

## Aircraft

- Registration: [N6255R](https://openairdocs.org/deregistered/N6255R-2012-10-04), registration cancelled 2012-10-04, S/N 15061555, built 1965 (OpenAirDocs)
- Reported make and model: CESSNA 150F
- Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15061555
- Airframe hours: 2231
- Engines: CONTINENTAL O-320-A2B 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Crowder,  Jefferson M. K.
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, March 30, 1993, 53 hours before
- Airport: NONE, Private, runway 24, 4,000 × 100 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 2,494 total, 566 in this make and model, 2,410 as pilot in command, 181 in the last 90 days, 68 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 3 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 90 °F, dew point 63 °F
- Altimeter: 29.00 inHg
- Observed at: ILM, 10 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 19930801031359A](https://openairdocs.org/incident/19930801031359A), Aug 1, 1993: Cessna 150F, Wilmington, NC, Substantial damage. Nose wheel hit a soft spot on the Private runway. Aircraft nosed over.

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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