(12) Patent Application Publication (10) Pub. No.: US 2014/0021302 A1 Gionta Et Al
US 201400213 O2A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2014/0021302 A1 Gionta et al. (43) Pub. Date: Jan. 23, 2014 (54) SPN RESISTANT AIRCRAFT Publication Classification CONFIGURATION (51) Int. Cl. (71) Applicant: ICON Aircraft, Inc., Los Angeles, CA B64C2L/00 (2006.01) (US) B64C2L/It (2006.01) (52) U.S. Cl. (72) Inventors: Matthew Gionta, Tehachapi, CA (US); CPC ................. B64C 21/00 (2013.01); B64C 21/10 Jon Karkow, Tehachapi, CA (US); John (2013.01) Roncz, Elkhart, IN (US); Dieter USPC ......................... 244/200.1; 244/198: 244/200 Koehler, Powell Butte, OR (US); Len Fox, Bend, OR (US); David Lednicer, (57) ABSTRACT Redmond, WA (US) A configuration and system for rendering an aircraft spin resistant is disclosed. Resistance of the aircraft to spinning is accomplished by constraining a stall cell to a wing region (21) Appl. No.: 13/946,572 adjacent to the fuselage and distant from the wing tip. Wing features that facilitate this constraint include but are not lim (22) Filed: Jul.19, 2013 ited to one or more cuffs, stall strips, Vortex generators, wing twists, wing Sweeps and horizontal stabilizers. Alone or in combination, aircraft configuration features embodied by the Related U.S. Application Data present invention render the aircraft spin resistant by con (60) Provisional application No. 61/674.267, filed on Jul. straining the stall cell, which allows control surfaces of the 20, 2012. aircraft to remain operational to control the aircraft. 230 Patent Application Publication Jan. 23, 2014 Sheet 1 of 6 US 2014/002 1302 A1 Patent Application Publication Jan.
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