Statuts:	Enquête Officielle
Date:	04 JAN 1971
Heure:	18:32 EST
Type/Sous-type:	Douglas C-47A-90-DL
Compagnie:	Federal Aviation Administration - FAA
Immatriculation:	N7
Numéro de série:	20426
Année de Fabrication:	1944
Moteurs:	2 Pratt & Whitney R-1830-92
Equipage:	victimes: 0 / à bord: 2
Passagers:	victimes: 0 / à bord: 0
Total:	victimes: 0 / à bord: 2
Dégats de l'appareil:	Perte Totale
Conséquences:	Written off (damaged beyond repair)
Lieu de l'accident:	New York-La Guardia Airport, NY (LGA) (Etats-Unis d'Amérique)
Phase de vol:	En approche (APR)
Nature:	Inconnu
Aéroport de départ:	Johnstown-Cambria County Airport, PA (JST/KJST), Etats-Unis d'Amérique
Aéroport de destination:	New York-La Guardia Airport, NY (LGA/KLGA), Etats-Unis d'Amérique

Détails:
The DC-3 crashed 200 feet short of runway 04, while on an ILS approach. The weather at the time of the accident was: 200 feet & 400 feet broken, 600 feet overcast; visibility 1,5 miles in light rain and fog; wind 060/13; RVR 1,9-3 miles. The pilot failed to recognize a windshear condition.

PROBABLE CAUSE:
pilot in command - improper compensation for wind conditions
pilot in command - diverted attention from operation of aircraft
pilot in command - inadequate supervision of flight
copilot - failed to follow approved procedures,directives,etc.
weather - unfavorable wind conditions
FACTORS:
miscellaneous acts,conditions - downwind
weather briefing - briefed by flight service personnel, in person
weather forecast - forecast substantially correct

Sources:
» NTSB