1979-03-01: Beechcraft 70 Queen Air (N777AE) — Universal Airways - USA — Gulfport-Biloxi, United States of America

8 fatalitiesGulfport-Biloxi, United States of AmericaTakeoff (climb)

A twin-engine airplane crashed into a marsh shortly after takeoff from Gulfport-Biloxi Airport, resulting in eight fatalities.

What happened

Shortly after departing from Gulfport-Biloxi Airport, a twin engine airplane experienced significant issues maintaining necessary airspeed and altitude. During the initial climb phase, the aircraft lost lift and entered a stall. The plane subsequently impacted a marshland area situated approximately 1,500 feet beyond the runway threshold. The impact resulted in the total destruction of the aircraft and caused the deaths of all eight occupants.

Findings

The investigation concluded that the primary cause of the accident was an aerodynamic stall occurring during the early stages of flight because the pilot did not maintain sufficient flying speed. Several contributing factors were identified regarding the operational state of the aircraft and the management of the flight operations:

  • The aircraft was improperly loaded for the flight.
  • There were mechanical issues involving the wing flap control system, including inoperative flaps and electrical malfunctions.
  • A failure in the nose baggage door occurred during the takeoff sequence.
  • Issues were noted regarding the starter interrupt system.
  • Deficiencies were found in preflight preparations and aircraft inspections performed by maintenance staff.
  • The operator demonstrated inadequate training standards for Part 135 operations and lacked proper operational supervision.
  • There were broader failures concerning company-maintained equipment, services, and adherence to regulatory standards.

Probable cause

The pilot failed to maintain adequate airspeed during the initial climb, leading to an aerodynamic stall.