Hydraulic failure leads to gear-up landing at Málaga Airport

No fatalities • Málaga, Spain • Landing (descent or approach)

A cargo flight returning to Málaga Airport following technical difficulties resulted in a runway excursion and significant aircraft damage.

What happened

During a cargo operation departing from Málaga Airport, the flight crew experienced mechanical issues shortly after liftoff. Due to these complications, air traffic control authorized the aircraft to perform an emergency return to the airfield. During the final approach, controllers notified the pilot that the left main landing gear had failed to extend.

Upon reaching the runway, the aircraft type (not specified) touched down with the gear malfunction. Following the landing, the plane drifted toward the left side of the runway and eventually stopped in a nearby grassy field. Although there were zero fatalities among the seven crew members, all personnel escaped without injury. The aircraft sustained damage that rendered it a total loss.

Findings

Investigation into the incident revealed that a mechanical failure within the hydraulic system prevented the gear from locking. Specifically, an attachment point for the recovery spring cable on the lower leg broke while the landing gear was being retracted. This caused the spring to become lodged between the hydraulic cylinder and adjacent linkages. The resulting displacement of the piston led to a loss of hydraulic fluid, which ultimately compromised the deployment of the left main gear.

Probable cause

The failure of a cable attachment during gear retraction caused a hydraulic fluid leak that prevented the landing gear from extending properly.

Frequently asked questions

What happened in the 1970-12-20 Douglas DC-6 accident near Málaga, Spain?

A cargo flight returning to Málaga Airport following technical difficulties resulted in a runway excursion and significant aircraft damage.

Were there any fatalities in the 1970-12-20 Douglas DC-6 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 1970-12-20 involved a Douglas DC-6, registration OO-CTL, operated by Sobelair, at Málaga, Spain.

What was the probable cause of the accident?

The failure of a cable attachment during gear retraction caused a hydraulic fluid leak that prevented the landing gear from extending properly.

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