Closed for Memorial Day
Our offices will be closed Monday, May 29th, 2023 in honor of Memorial Day. This nation will remain the land of the free only so
The Panther is a single seat, low wing, experimental kit aircraft offered by SPA. It features a large cockpit, folding wings and a myriad of features and options for the homebuilder.
SPA offers components for Corvair flight engines. The 5th Bearing offered by SPA is the gold standard for any Corvair flight engine. We also offer a billet crankshaft and a rear alternator option. Click …
The Cleanex is a Sonex/Waiex/Xenos powered by a Corvair flight engine. SPA designed the conversion parts for this configuration and information can be found here.
Our offices will be closed Monday, May 29th, 2023 in honor of Memorial Day. This nation will remain the land of the free only so
Check out these amazing photos of Jon Farley’s Panther! His Panther is powered by a Lycoming O-320 and a new electric constant-speed propeller by AX
Wayne Richmond lives in New Zealand and has been flying his Panther SN040 since January. He sent this note over (it has been long overdue
Bob Metcalfe is from Flint Hill, VA and has Panther LS SN116. Bob has been flying his Panther since Nov of 2021. Bob sent over
Our website hosting provider recently had an issue with a hacker that trickled down to our site. Because of a vulnerability in the code we
Jon Farley has completed his Panther SN100! Jon lives in Albuquerque, NM. His Panther is the Sport model and is powered by a Lycoming O-320