ASN Aircraft accident Lockheed 18 Learstar I D-COCA Krumpendorf
ASN logo
Status:Accident investigation report completed and information captured
Date:Saturday 24 August 1957
Type:Silhouette image of generic L18 model; specific model in this crash may look slightly different
Lockheed 18 Learstar I
Operator:Helmut Horten GmbH
Registration: D-COCA
MSN: 18-2606
First flight: 1943
Total airframe hrs:8188
Crew:Fatalities: 3 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 3 / Occupants: 3
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:1,5 km (0.9 mls) NW of Krumpendorf (   Austria)
Phase: En route (ENR)
Departure airport:Stuttgart-Echterdingen Airport (STR/EDDS), Germany
Destination airport:Klagenfurt Airport (KLU/LOWK), Austria
The aircraft was on a return flight to Klagenfurt from Stuttgart carrying a crew of three and a cargo of flowers for the annual flower-show at Velden. At 17:52 hours GMT the flight requested landing instructions from Klagenfurt Tower, which replied: "cleared to enter traffic circuit SW 340/2 kts Runway 29 report downwind, no local traffic." At 17:58 hours following failure of the left wing in flight, the aircraft went down in flames near Krumpendorf, killing all crew members.

Probable Cause:

Probable Cause: "The accident was due to the breaking off of the left wing between the engine and the fuselage as a result of overstrain on the assembly, and fuel ignition followed."

Wing failure
Loss of control

» The Lockheed Twins / Peter J Marson
» Arbeiter-Zeitung, 25-8-1957
» ICAO Circular 56-AN/51


Add your photo of this accident or aircraft

This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Stuttgart-Echterdingen Airport to Klagenfurt Airport as the crow flies is 442 km (276 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
languages: languages


The Aviation Safety Network is an exclusive service provided by:
Quick Links:

CONNECT WITH US: FSF on social media FSF Facebook FSF Twitter FSF Youtube FSF LinkedIn FSF Instagram

©2023 Flight Safety Foundation

1920 Ballenger Av, 4th Fl.
Alexandria, Virginia 22314