Free Butterfly+complete Advanced Pilot

The Complete Advanced Pilot: A Combined Commercial and Instrument Course (The The Complete Pilot Series) by Bob Gardner
English | October 5, 2019 | ISBN: 1619548534 | 496 pages | EPUB | 65 Mb

Pilot's Handbook of Aeronautical Knowledge (2024): FAA-H-8083-25C (ASA FAA Handbook Series) by Federal Aviation Administration (FAA), U.S. Department of Transportation, Aviation Supplies & Academics (ASA)
English | August 30, 2023 | ISBN: 1644253461 | 528 pages | MOBI | 60 Mb

Modern Balloons and Airships: The History and Legacy of Dirigibles during the 20th Century by Charles River Editors
English | August 11, 2019 | ISBN: N/A | ASIN: B07WCQBPL8 | 79 pages | EPUB | 2.59 Mb

Drone Development from Concept to Flight: Design, assemble, and discover the applications of unmanned aerial vehicles by Sumit Sharma
English | April 30, 2024 | ISBN: 1837633002 | 316 pages | EPUB | 19 Mb

Famous Dirigibles: The History and Legacy of Lighter than Air Vehicles from the Renaissance to Today by Charles River Editors
English | August 12, 2019 | ISBN: 1089927932 | 93 pages | EPUB | 4.25 Mb