(left) View from Glen's house.. Photo: Rod Davis, Boeing Chip, this is what I've been doing, if it meets with your approval you will have to thank Aaron,... Loading the mailbags into the Boeing 40 mailplane Photo: Jim Ross, NASA No nonsense lines of the Boeing 40 Mailplane © 1994 - 2017 Fiddlersgreen.net. All Rights Reserved.... The steady and relatively methodical growth of United States foreign airmail routes contrasted... Talk about living a dream.. Pemberton & Sons Aviation in Spokane, Washington, is an organization... The Wasp engine of the Boeing 40 Mailplane The SkyHook JHL-40 has four vertical rotors to lift its body and four directional propellers under... Photo: Tom Tschida, NASA Image: NASA The Boeing 40 went together pretty well except that the firewall at the front of the fuselage is... The SkyHook JHL-40 aircraft will be capable of lifting a 40-ton sling load and transporting it up to... Image: NASA The call for bids on the transcontinental route, advertised between November 15, 1926, and January... Photo: © Alan Radecki source By Ben on Wed Jul 9 2008 Image: USAF The SkyHook JHL-40 aircraft will be capable of lifting a 40-ton sling load and transporting it up to... Boeing 40C Photo: © Alan Radecki The most noteworthy feature of the Boeing 40A plane was its power plant, the Pratt and Whitney Wasp... 07-21-02 - Oops! The plane finally met it's demise today, after two years of trusty service. After a... Cockpit of the Boeing Model 40 Mailplane.