Named "Air Challenger" for an around the world flight in 1974, which was not completed. Delivered to the USAAF as model 18-56-23, C-60A-5-LO 42-56027. Cvtd to Learstar in 1956. Other regns include NC88744, N88744, N14M, N1414, N505S and CP-2046.

This former C-60A Lodestar (ex 42-56027) was converted to Learstar Mk2 in 1956/1957. It was impounded for drug smuggling and is seen here in storage with the Sheriff's department. It was sold in Feb 1980 and eventually ended up in Bolivia as CP-2046.

Built in June 1943 for USAAF as C-60A 42-56026, serving until 1946 when civilianised. Converted by Lear Inc to Learstar I by December 1955 and to D-CAFU in March 1956. Returned to Lear in September 1961 as N511L. Owned by Friedrich Krupp.