Kepner Air Ambulance. ca. 1949, This is the Kepner Air Ambulance that translates time into distance with safety, speed, comfort and efficiency when the occasion demands. Twin-engine Beechcraft, able to fly or land with either one of its engines alone, if necessary. Instrumentation provides weather independence. Luxurious comfort facilities for patient and passengers. Experienced, carful Pilot and Co-Pilot. Cost for this service is based on air-mileage.