Narrative:
The Martin 4-0-4 was engaged in a local training flight out of Wilmington (ILM). Upon landing the airplane swerved off the runway, causing substantial damage.
PROBABLE CAUSE: "Unwanted propeller reversal during a critical phase of landing caused by malfunction of the propeller low pitch stop lever assembly, resulting from foreign matter in the servo valve control."
Runway excursion
accident date: 22-08-1962
type: Martin 4-0-4
registration: N40401
| Status: | Accident investigation report completed and information captured |
| Date: | Wednesday 22 August 1962 |
| Time: | 07:48 |
| Type: |  Martin 4-0-4 |
| Operator: | Piedmont Airlines |
| Registration: | N40401 |
| MSN: | 14101 |
| First flight: | |
| Total airframe hrs: | 20260 |
| Crew: | Fatalities: 0 / Occupants: 3 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Wilmington-New Hanover County Airport, NC (ILM) ( United States of America)
|
| Phase: | Landing (LDG) |
| Nature: | Training |
| Departure airport: | Wilmington-New Hanover County Airport, NC (ILM/KILM), United States of America |
| Wilmington-New Hanover County Airport, NC (ILM/KILM), United States of America |
The Martin 4-0-4 was engaged in a local training flight out of Wilmington (ILM). Upon landing the airplane swerved off the runway, causing substantial damage.
Probable Cause:
PROBABLE CAUSE: "Unwanted propeller reversal during a critical phase of landing caused by malfunction of the propeller low pitch stop lever assembly, resulting from foreign matter in the servo valve control."
Classification:
Engine reverse issue Runway excursion
Sources:
» NTSB File 1-0057Photos
accident date: 22-08-1962
type: Martin 4-0-4
registration: N40401
Map
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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