The Guild SB-604 Pilot is a bass guitar played by Levi Seacer in the late 1980s and early 1990s. Prince played a "custom P-Bass" on Lovesexy that was possibly the Guild Pilot. It remained in Prince's collection after Levi left the band and is mentioned in the 1999 issue of Bass Player magazine.
References
Brown, Jake. (2010) Prince 'in the Studio' 1975 - 1995.
