ention: Mr. James D. Prentiss. DAS Inspection AR Subject: Application for Special Airworthiness Certificate, Experimental Category, Show Compliance, Gulfstream Model GV-SP (G550). Sin 5173, NI 0411B Program Letter Reference: 14 CFR pans 21.35. 91.319. 91.407. 91.409, FAA Orders 8110.4. 8130.2, 8130.29 Dear Sir: This