AIRBAGS FAILED TO DEPLOY DURING FRONTAL IMPACT WITH EMBANKMENT AT SPEED IN ACCESS OF 40 MPH. VEHICLE LEFT THE ROADWAY, TRAVELING STRAIGHT, UNDER HARD BREAKING CONDITIONS AND STRUCK AN EMBANKMENT. UPON HITTING THE EMBANKMENT, THE TRUCK BECAME AIRBORNE AND MADE IMPACT WITH A TELEPHONE POLE, BEFORE LANDING ON ITS WHEELS.