COMMERCIAL BUSINESS OPERATIONS DATE: 22 May, 2000 PAX NO: (405) 850-3188 FAX TO: Federal Aviation Adninistrabon ATTN: Exacrt Examiner PROM: M. Mixon REF: Oe-regIstre8on of Model 407, BIN 53375 This message Is to advise that Ete:l Reficopter Model 407, SIN 53375, Regtstredon No. N407RB has been