L-13 Blanik Glider Damaged During Forced Landing

Casualties unknown • LT

An L-13 Blanik glider sustained structural damage after the pilot performed an unplanned landing in an unsuitable field during a flight.

What happened

On August 9, 1994, an L-13 Blanik glider, registration LY-GBT, was involved in an aviation incident while operating under the Kaunas Aeroclub. During the flight, the pilot lost altitude and became unable to reach the aerodrome. Consequently, the pilot was forced to perform a landing at an unprepared field selected from the air. The impact of the landing resulted in structural damage to the aircraft, specifically a deformed forward fuselage section and a deformed left wing console approximately 2 meters from the wingtip.

The investigation

The investigation established that the pilot was unprepared for the necessity of selecting an emergency landing site while airborne. Furthermore, the inquiry identified several organizational and training deficiencies. It was noted that the flight organization level was inadequate and that the flight leader failed to provide sufficient oversight for pilots with low experience levels. Additionally, the investigation highlighted a lack of proper training regarding the decision-making process for inexperienced pilots, specifically concerning the refusal to utilize alternative landing sites in favor of attempting to return to the aerodrome.

Findings

  • The primary cause was the pilot's inability to manage the flight situation and the selection of an unsuitable landing site due to a lack of preparedness.
  • The pilot demonstrated insufficient professional training and personal lack of discipline regarding emergency procedures.
  • There were deficiencies in the flight organization and inadequate supervision of inexperienced pilots by the flight leader.
  • Training programs lacked specific instruction for pilots not authorized for certain routes on how to handle unplanned landings outside of aerodromes.

Safety action

The investigation recommended an update to the glider pilot training program. The new curriculum must include a supervised check flight to a landing site located outside the aerodrome boundaries. This requirement is intended to ensure that pilots are capable of performing safe, unplanned landings in remote areas during independent flight operations.

Probable cause

The accident was caused by the pilot's lack of professional preparation and inability to manage an altitude loss, leading to a landing in an unsuitable field, compounded by inadequate supervisory oversight and training deficiencies regarding emergency landing site selection.

Frequently asked questions

What happened in the 1994-08-11 L-13 accident near LT?

An L-13 Blanik glider sustained structural damage after the pilot performed an unplanned landing in an unsuitable field during a flight.

What aircraft was involved and where did it happen?

The accident on 1994-08-11 involved a L-13, registration LY-GBT, at LT.

What was the probable cause of the accident?

The accident was caused by the pilot's lack of professional preparation and inability to manage an altitude loss, leading to a landing in an unsuitable field, compounded by inadequate supervisory oversight and training deficiencies regarding emergency landing site selection.

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