Incident Overview

Date: Friday 4 April 1975
Aircraft Type: Lockheed C-5A Galaxy
Owner/operator: United States Air Force – USAF
Registration Number: 68-0218
Location: 4 km NE of Saigon-Tan Son Nhat International Airport (SGN) – ÿ Vietnam
Phase of Flight: En route
Status: Destroyed
Casualties: Fatalities: 138 / Occupants: 314
Component Affected: Rear loading ramp, hydraulic systems, aileron, wing spoilers, rudder, elevators, throttle, throttles, and the entire cargo compartment.Rear loading ramp, hydraulic systems, aileron, wing spoilers, rudder, elevators, throttle, throttles, and the entire cargo compartment.
Category: Accident
The Lockheed C-5A Galaxy, engaged in Operation Babylift, experienced a catastrophic failure during its mission to transport Vietnamese orphans to the United States. A sudden explosion resulted in the tearing apart of the lower rear fuselage, leading to a rapid decompression and loss of control. The crew managed to maintain control through manual adjustments, resulting in a descent to 4,000 feet and a rapid, uncontrolled descent to a rice paddy. The aircraft subsequently skidded, breaking apart into four parts, resulting in the destruction of the cargo compartment and the deaths of 138 people.The Lockheed C-5A Galaxy, engaged in Operation Babylift, experienced a catastrophic failure during its mission to transport Vietnamese orphans to the United States. A sudden explosion resulted in the tearing apart of the lower rear fuselage, leading to a rapid decompression and loss of control. The crew managed to maintain control through manual adjustments, resulting in a descent to 4,000 feet and a rapid, uncontrolled descent to a rice paddy. The aircraft subsequently skidded, breaking apart into four parts, resulting in the destruction of the cargo compartment and the deaths of 138 people.

Description

The Lockheed C-5A Galaxy (68-0218) was engaged in Operation Babylift, a mission to bring Vietnamese orphans to the US in the few remaining days before the Republic of Vietnam fell. The C-5 departed Saigon-Tan Son Nhut Airport at 16:03. Twelve minutes after takeoff, after climbing through FL230, there was what seemed to be an explosion as the lower rear fuselage was torn apart. The locks of the rear loading ramp had failed, causing the door to open and separate. A rapid decompression occurred. Control and trim cables to the rudder and elevators were severed, leaving only one aileron and wing spoilers operating. Two of the four hydraulic systems were out. The crew wrestled at the controls, managing to keep control of the plane with changes in power settings by using the one working aileron and wing spoilers. The crew descended to an altitude of 4,000 feet on a heading of 310 degrees in preparation for landing on Tan Son Nhut’s runway 25L. About halfway through a turn to final approach, the rate of descent increased rapidly to 4,000 feet per minute. Seeing they couldn’t make the runway, full power was applied to bring the nose up. At 50 feet, the throttles where retarded to idle and the C-5 touched down in a rice paddy. Skidding about 1,000 feet, the aircraft again became airborne for a half mile before hitting a dike and breaking into four parts. The cargo compartment with 149 orphans and attendants was completely destroyed. Only three of 152 in the troop compartment perished. In total 138 of the 314 occupants died in the accident.

Source of Information

https://www.airandspaceforces.com/article/valor-a-galaxy-of-heroes/https://www.airandspaceforces.com/article/valor-a-galaxy-of-heroes/

Primary Cause

Loss of control during a rapid descent and subsequent catastrophic failure of the rear loading ramp and hydraulic systems.Loss of control during a rapid descent and subsequent catastrophic failure of the rear loading ramp and hydraulic systems.

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