These are parts of Boeing B-17G 42-38160 "Lonesome Polecat" of 550th sq, 385th BG of the USAAF 8th Air Force. This unit was stationed at Great Ashfield airbase, UK. The Flying Fortress ditched in Lake Zug, Switzerland after it had been hit by German fighters on 16 March 1944. The wreckage was raised from the lake in August 1952. It was initially displayed in St. Moritz, but scrapped in 1972/1973. Dutchman mr. Dam managed to acquire some parts which he later donated to CRASH.

The remains of the original Fokker D.XXI 229 were placed in a tube construction. The fighter was shot down by a Messerschmitt Bf-109 near Nieuwkoop (NL) on 11 May 1940. The pilot, Roos, managed to survive. The Fokker was excavated from the soft soil on 12 June 1993. It can be seen in the CRASH museum in Aalsmeerderbrug (NL) Part of the wreckage served as a mould for the reconstruction of airworthy Fokker D.XXI PH-XXI