# NTSB CHI85LA171: Cessna 150D, N4145U, Columbus, OH, April 20, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 20, 1985, 12:33 local (17:33 UTC)
- Place: Columbus, OH
- Coordinates: 39.969352, -83.010932 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.9694&lon=-83.0109&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13046
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA171
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13046/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA171

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, pilot in command (cause)
  - lack of experience, pilot in command (contributing factor)
  - remedial action - attempted, pilot in command
- Nose gear collapsed, landing - roll
  - terrain condition - rough/uneven

## Analysis

DURING THE LANDING ROLL THE ACFT TRAVELED OFF THE LEFT SIDE OF THE RWY WHERE THE NOSE GEAR COLLAPSED. SKID MARKS WERE FOUND ON THE RWY WHERE THE PLT ATTEMPTED REMEDIAL ACTION BY APPLYING BRAKES.

## Aircraft

- Registration: [N4145U](https://openairdocs.org/aircraft/N4145U), registered now, S/N 15060145, built 1963 (OpenAirDocs)
- Reported make and model: CESSNA 150D
- Registry model: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15060145
- Airframe hours: 6251
- Engines: Continental O-200 SERIES 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Tim Fisher
- Airworthiness certificate: Standard, Utility
- Last inspection: 100 hour, January 31, 1985, 162 hours before
- Airport: CMH, Port Columbus, runway 28, 6,000 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; student; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 256 total, 256 in this make and model, 42 as pilot in command, 168 in the last 90 days, 12 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 280° at 7 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point 50 °F
- Altimeter: 30.00 inHg
- Observed at: CMH

## 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 19850420013659A](https://openairdocs.org/incident/19850420013659A), Apr 20, 1985: Cessna 150D, Columbus, OH, Substantial damage. Student lost directional control during solo landing rollout. Nose gear collapsed after aircraft departed runway.

## Other investigations on N4145U (2)

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 MIA69F0349](https://openairdocs.org/ntsb/MIA69F0349), Feb 2, 1969: Cessna 150 (N4145U), Pensacola, FL, substantial damage
- [NTSB CHI67D0342](https://openairdocs.org/ntsb/CHI67D0342), Oct 21, 1966: Cessna 150D (N4145U), London, KY, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
