Statuts:	Enquête Officielle
Date:	28 OCT 1987
Heure:	07:34
Type/Sous-type:	Convair CV-640
Compagnie:	SMB Stage Line
Immatriculation:	N3411
Numéro de série:	31
Année de Fabrication:	1952
Heures de vol:	44764
Moteurs:	2 Rolls Royce 542 Dart
Equipage:	victimes: 0 / à bord: 2
Passagers:	victimes: 0 / à bord: 0
Total:	victimes: 0 / à bord: 2
Dégats de l'appareil:	Détruit
Conséquences:	Written off (damaged beyond repair)
Lieu de l'accident:	près de Bartlesville, OK (Etats-Unis d'Amérique)
Phase de vol:	En route / landing (ENR/LDG)
Nature:	Cargo
Aéroport de départ:	Chicago-O'Hare International Airport, IL (ORD/KORD), Etats-Unis d'Amérique
Aéroport de destination:	Oklahoma City-Will Rogers Airport, OK (OKC/KOKC), Etats-Unis d'Amérique

Détails:
Both engines quit at FL140; an emergency belly landing on a SOD runway. The aircraft slid off the runway and collided with trees. The accident happened because the crew forgot they crossfed both engines on the right fuel tank, which eventually became exhausted.

PROBABLE CAUSE:
"Gear extension .. improper use of .. pilot in command
1 engine
All engines
Fluid,fuel .. starvation
Fuel tank selector position .. inattentive .. pilot in command
Emergency procedure .. improper .. pilot in command
Crew/group coordination .. improper .. pilot in command
CONTRIBUTING FACTORS:
Terrain condition .. ditch
Electrical system .. deteriorated
Checklist .. inadequate .. company/operator management
In-flight planning/decision .. improper .. pilot in command"

Sources:
» ICAO Adrep Summary 6/89 (#17)