6 fatalities

Fatal Twin-Engine Aircraft Crash Near Königstein im Taunus (D-ILTU)

Königstein im Taunus, GermanyTakeoff (climb)

On January 22, 1971, a Beechcraft 90 King Air (registration D-ILTU) operated by Heitkamp was involved in an aviation accident near Königstein im Taunus, Germany during takeoff. 6 people were killed. Investigators recorded the probable cause as: Controlled flight into terrain. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards
Aircraft registered D-ILTU
Aircraft registered D-ILTU. Photo: ChristophMüllerleile / CC BY-SA 4.0, via Wikimedia Commons

A twin-engine aircraft crashed into Mt Altkönig during initial climb from Frankfurt-Main Airport due to poor visibility, killing all six occupants.

Incident Overview and Flight Details On 1512LT, a twin-engine aircraft departed Frankfurt-Main Airport for Fritzlar Airport. The flight carried four passengers and a crew of two. During the initial climb northbound, the crew encountered poor visibility caused by fog. While climbing to an altitude of 2,000 feet, the aircraft struck trees and crashed onto the slope of Mt Altkönig, which is 798 meters high. The impact site was located approximately 3.5 km north of Königstein im Taunus and about 20 km north of Frankfurt Airport. The aircraft was destroyed in the crash, resulting in the deaths of all six occupants on board. The fatalities included two pilots and four passengers. The crew consisted of Alfred Krummlauf and Rolf Brennholt, both pilots. The passengers were Erwin Topp, Mayor of the city of Wattenscheid; Georg Schmitz, Director of the city of Wattenscheid; Kurt Wille, Head of construction of the city of Wattenscheid; and Josef Peckelsen, an authorized representative of the Heitkamp Company, a German construction firm.

Probable cause

Controlled flight into terrain