At this time, there are three credentials acceptable to the FAA for conducting non-aerobatic formation flight in waivered airspace; an FAA Form 8710-7, Statement of Acrobatic Competency with a “Formation Aerobatics" limitation affixed, industry cards with a 2002 Formation and Safety Team (FAST) seal affixed, and for non-warbirds, an industry card with a 2002 seal affixed issued by Formation Flying , Inc. (FFI).
The following BeechBoys are FFI qualified:
Larry "The Lip" Gaines - Lead/Wing
Paul "Felix" Marshall - Lead/Wing
Mark "Angel" Merrill - Check/Lead/Wing
Jim "Wannabeech" MacKnight - Wing
Jim "Captain" Posner - Wing
Bruce "Marvin" Poulton - Lead/Wing