Vintage Felsenthal Instruments Private Pilot Study Kit Commercial Section WHAT IS IT? A vintage aeronautical training kit from Felsenthal Instruments Company, covering Private Pilot curriculum with a bonus Commercial Pilot section. Includes regulatory questions and technical reference charts like the Aviation Weather Key. WHO IS IT FOR? Aviation history collectors and flight training enthusiasts. DETAILS: Binder format, A-V Training Division. CONDITION: FAIR. Outer folder shows tanning and wear. Internal pages are intact and readable with age-related tanning and some handwritten notations. SEARCH TERMS: Aviation Memorabilia, Pilot Training, Flight School, Felsenthal, Vintage Manual, Aeronautical Study, Pilot License. INV: 1580 | BX: B43 Reasonable offers welcome. Ships within 1 business day from Good Clucking Threads (business days are Monday–Friday, excluding postal holidays). While we inspect carefully, minor human errors can occur — photos show the exact item. Questions? Happy t