| Date: | Saturday 9 July 1966 |
| Time: | 09:54 |
| Type: | Martin 4-0-4 |
| Owner/operator: | Piedmont Airlines |
| Registration: | N40446 |
| MSN: | 14238 |
| Year of manufacture: | 1952 |
| Fatalities: | Fatalities: 0 / Occupants: 42 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | Roanoke Municipal Airport, VA (ROA) -
United States of America
|
| Phase: | Standing |
| Nature: | Passenger - Scheduled |
| Departure airport: | Roanoke Municipal Airport, VA (ROA/KROA) |
| Destination airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The landing gear retracted while parked on the apron.
PROBABLE CAUSE:
personnel - maintenance,servicing,inspection: improper maintenance (maintenance personnel)
systems - hydraulic system: reservoir,lines,fittings
airframe - landing gear: switches,levers,cranking mechanism,etc.
miscellaneous acts, conditions - disregard of good operating practice
Accident investigation:
|
|
| | |
| Investigating agency: | NTSB |
| Report number: | NYC67A0007 |
| Status: | Investigation completed |
| Duration: | 10 months |
| Download report: | Final report
|
|
Sources:
NTSB File #1-0042
Revision history:
| Date/time | Contributor | Updates |
The Aviation Safety Network is an exclusive service provided by:

CONNECT WITH US:
©2025 Flight Safety Foundation