Vintage 1965 FAA Letter to Airmen Seattle Boeing Field Sea-Tac Aviation History For Sale

Authentic Vintage 1965 FAA Letter to Airmen – Seattle Flight Service Station Relocation to Boeing FieldUp for sale is an authentic, original two-page historical aviation document issued by the Federal Aviation Agency (FAA) dated September 24, 1965.This "Letter to Airmen" formally announces the major operational relocation of the Seattle Flight Service Station from its old headquarters at Room 425, Seattle-Tacoma Airport (Sea-Tac) to its new home in the North Annex building at historic Boeing Field.This document serves as an incredible time capsule of mid-century Pacific Northwest aviation history and 1960s flight procedures.Key Historical Highlights & Content:

• The Boeing Field Move: Complete details on the transition that took place at 0800 PST on October 5, 1965. Includes old vs. new mailing addresses and vintage alphanumeric telephone exchanges (e.g., CHerry 3-4200 and ROckwell 2-4000).
• The "Cardex" System Retirement: A fascinating section detailing the official discontinuation of the "Cardex" filing system used for frequent pilots, citing that much of the physical data had become obsolete due to unreported aircraft ownership changes.
• Stampede Pass Communications: Detailed radio frequency updates regarding the Weather Bureau station at Stampede Pass, listing old Unicom frequencies (122.8mc) and civil enroute frequencies (122.2mc / 122.1mc).
• Official Sign-Off: The second page features the printed signature of D. C. Swaffield, Chief, Seattle Station.

Condition:Good Vintage Condition. The paper has aged gracefully with minimal toning. The black text remains crisp, dark, and legible. There are minor handling creases along the edges and a vintage staple mark at the top left corner. No major tears, ink spills, or heavy stains.This is a fantastic addition for any collector of Pacific Northwest history, Boeing memorabilia, FAA heritage, or vintage aviation ephemera. Perfect for framing or archival display!