Status:	Final
Date:	19 JAN 1967
Time:	13:59
Type:	Vickers 745D Viscount
Operator:	United Air Lines
Registration:	N7431
C/n / msn:	129
First flight:	1956
Crew:	Fatalities: 0 / Occupants: 4
Passengers:	Fatalities: 0 / Occupants: 46
Total:	Fatalities: 0 / Occupants: 50
Airplane damage:	Written off
Airplane fate:	Written off (damaged beyond repair)
Location:	Norfolk Municipal Airport, VA (ORF) (United States of America)
Phase:	Landing (LDG)
Nature:	Domestic Scheduled Passenger
Departure airport:	?
Destination airport:	Norfolk Municipal Airport, VA (ORF/KORF), United States of America

Narrative:
A snow tractor taxied into the path of a United Air Lines Viscount which was just landing. The Viscount collided with the snow plough, ripping open the airplane's belly and tearing off one of the wings.

PROBABLE CAUSES:
personnel - miscellaneous-personnel: driver of vehicle
personnel - airport supervisory personnel: other
miscellaneous acts,conditions - instructions-misinterpreted
FACTOR(S):
miscellaneous acts, conditions - overload failure

Sources:
» NTSB