Classic Safetech E-6B flight computer (FDF-57-B) with wind correction + circular slide rule—an essential pilot calculator with protective case included. Details Era: Mid–late 20th century (classic analog training tool era; exact year not marked in photos) Brand/Maker: Safetech, Newtown, PA, U.S.A. (printed on instrument) Model: E-6B Computer Model: FDF-57-B Type: mechanical E-6B flight computer / aviation slide rule Color/finish: silver-toned metal/printed grid with black markings; brown case with gold lettering Functions (what it’s for): time–speed–distance calculations fuel burn / consumption planning wind correction angle + ground speed temperature/altitude related computations (as laid out on the dial) Design Circular slide rule side with rotating metal dial + rivets/screws Wind correction grid side with “To Find Ground Speed & Wind Correction Angle” instructions printed at top No batteries—works anywhere, anytime Included: protective brown leather/vinyl pouch stamped in gold “SAFETECH, INC.” Measurements: Computer: approx. 9" x 6" Case: approx. 10" x 6" Suggested uses Flight training / ground school prop Desk display for an aviation office, library shelf, or pilot gift Film/TV prop, aviation history collection, aeronautical décor Condition Overall vintage/used condition consistent with real training use. Case: visible surface wear/scuffing and patina to the brown finish (photo-verified); gold stamp still readable. Computer: shows typical handling wear; markings remain clear and legible in close-ups. Not tested for calibration/accuracy beyond basic physical inspection; sold as a vintage tool/collectible with visible wear. Collector’s Notes The E-6B is a true pilot classic—an “always works” navigation calculator that defined generations of flight training. Safetech models like this are especially collectible with the original pouch. Ready to add a real piece of aviation training history to your shelf (or your flight bag)? This one’s ready for its next route. Shelf-worthy vintage finds you can trust. Find Your Story. Shipping + Trust (Reading Vintage standards) ∙Photo-verified condition (no surprises)∙Packed with our protective packaging standard∙Ships in 1 business day∙Free Shipping on $35+ (U.S. only) Disclaimer All items are vintage and may show signs of age, wear, or use consistent with their history. Photos show the exact condition of each piece—please review them carefully, as they are part of the description. While I do my best to capture colors accurately, your monitor or device screen may display colors slightly differently from the actual item. Please Note:These pieces come from estate collections and have been surface cleaned. You may wish to perform additional cleaning depending on your preference.
