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This is the only remaining Piper PA-40 Arapaho out of 3 built. Serial number 3 was used as a Piper company aircraft from 1974, when the Arapaho program was cancelled, until it was donated to Purdue University in 1985. It did not fly again until 2019 when we flew it to Texas after purchasing it from Purdue. Extensive mechanical restoration completed. (15 SMOH) Original paint and interior. Please review the Specs Page for the extensive amount of work that has been completed and other details before calling with any questions. Delivery available. We are taking offers now and will be showing it publicly for the first time at Oshkosh 2021. This is probably the only one of a kind Piper aircraft that is still flyable and airworthy. Serious Inquiries Only!
Avionics / Equipment
All flight instruments have been overhauled by DFW instruments at Addison airport with yellow tags. The instrument panels have been powder coated and re-silk screened with original markings. The original King KT78 transponder was overhauled, faceplate restored and yellow tagged by Bennett Avionics. The original KX170B's and King audio panel are installed. The Century autopilot is functional and the electric trim functions normally.
The PA-40 Arapaho was designed to be the follow-on aircraft to the PA-39 Twin-Commanche.
The Arapaho differences include leading edge cuffs both inside and outside both nacelles which lower Vmc and stall speeds by approximately 10-15 kts., a single 60 gallon bladder in each wing, 6 inch taller main landing gear, a completely redesigned hydraulic landing gear operating system, strakes on both sides of the rear fuselage as well as above and below the rear fuselage, a redesigned windshield that extends further rearward at the top of the fuselage, redesigned dual pane side windows, as well as other minor changes.
The aircraft has similar cruise speeds to a PA-39 but much lower approach speeds as well as much better pitch authority in the flare which contributes to much nicer landing characteristics.
This aircraft is serial number 3 and is the last remaining Arapaho out of 3 built. This is the only Arapaho that held a Standard Airworthiness Certificate from 1974 until 2005.
Engines / Mods / Prop
Both engines and propellers were extensively overhauled in 2018. Please see specifications page for logbook entries detailing the work performed during the overhauls.
Interior / Exterior
The interior and exterior are original.
Although serial number 3 was the only Arapaho that had a standard airworthiness certificate, when it was donated to Purdue University in 2005 the data plate was removed. After we flew the aircraft to Texas on a ferry permit, the FAA completed a conformity inspection, (see pictures), showing the aircraft is in compliance with the TCDS. It currently has an experimental-exhibition airworthiness certificate due to the original data plate being removed. If a replacement data plate can be reacquired from Piper, the aircraft can be put back as a standard category aircraft. The experimental-exhibition airworthiness certificate allows day/night/ifr/vfr operations with all 4 seats occupied. Flight training, maintenance test flights and flights to and from airshows/fly-ins are allowed.
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