• 56-4407 US Army # 1702. L-20 No. 703 Command A-12. Delivered 08-Jul-1957. Built as L-20A and re-designated U-6A in 1962.
• 56-4407 Stored at MASDC., Davis Monthan AFB., AZ. 27-Feb-1972 to 06-Feb-1976. PCN (Product Control Number) HS123. Declared excess on 04-Oct-1974.
• N67680 Hillcrest Aircraft, Lewiston, ID. Regd 06-Feb-1976.
Note: Purchased by Hillcrest at the Davis Monthan auction sale on 29-Jan-1976 for $24,000US. Total time 6,826 hrs, engine 6,017 hrs. Sold as providing “no reasonable potential for normal certification”. Comments at sale included: -four seats.
• N178RM Ronald R. McMillan / Margaret K. McMillan, Ellensburg, WA. Regd 11-Jul-1985. Canx 28-Jun-2004.
• N178RM Bristol Bay Lodge Inc.,Wexford, PA. Regd 28 Jun-2004. Canx 09-Nov-2007.
Airworthiness date: 30-Mar-2005. Standard restricted - Other
• N178RM LDC Bristol Bay Lodge LLC., King of Prussia, PA. Regd 13-Nov-2007. Based Anchorage, AK. Canx 20-Dec-2011
• N178RM Bristol Bay Aircraft LLC., c/o Lehman Brothers Holdings Inc., New Yor, NY. Regd 16-Feb-2012.
• N178RM D & B Aircraft Leasing LLC., Anchorage, AK. Regd 04-Dec-2013.
