# NTSB ATL90LA006: Cessna 172, N734PL, Ridgeland, SC, October 14, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 14, 1989, 15:30 local (19:30 UTC)
- Place: Ridgeland, SC
- Coordinates: 32.480648, -80.97982 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=32.4806&lon=-80.9798&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 16, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 8167
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL90LA006
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/8167/pdf
- Page: https://openairdocs.org/ntsb/ATL90LA006

## Probable cause

THE PILOT MISJUDGED THE AIRSPEED AND FAILED TO ATTAIN THE PROPER TOUCHDOWN POINT.

## Sequence of events

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

- Overrun, landing - roll
  - airspeed - misjudged, pilot in command (cause)
  - proper touchdown point - not attained, pilot in command (cause)

## Analysis

THE PILOT REPORTED THAT THE AIRCRAFT TOUCHED DOWN LONG AND SUBSEQUENTLY RAN OFF THE DEPARTURE END OF THE RUNWAY. NO MECHANICAL PROBLEMS OF THE AIRCRAFT WERE REPORTED.

## Aircraft

- Registration: [N734PL](https://openairdocs.org/deregistered/N734PL-1993-05-21), registration cancelled 1993-05-21, S/N 17269006 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Category: Airplane
- Serial number: 17269006
- Airframe hours: 1710
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Oscar C. Mack
- Registered owner: Oscar, C Mack
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 8, 1989, 60 hours before
- Departed: 3J1, RIDGELAND, SC
- Airport: Ridgeland, runway 3, 3,100 × 70 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 66; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 2,099 total, 72 in this make and model, 4 in the last 90 days, 2 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 4 knots
- Visibility: 5 statute miles
- Lowest ceiling: 10,000 ft broken
- Temperature: 77 °F, dew point 66 °F
- Altimeter: 30.00 inHg
- Observed at: 73J

## 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 19891014040329A](https://openairdocs.org/incident/19891014040329A), Oct 14, 1989: Cessna 172N, Ridgeland, SC, Substantial damage. Landed long and fast, unable to stop. Ran off departure end.

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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