Van's RV-12 Build: Landing Gear mod - EAA166 Hartford, Connecticut Watch in HD on YouTube! Share on Facebook! By nature of the design, Light Sport Aircraft have proven more susceptible to landing gear prangs than heavier airframes and the Van's RV-12 E-LSA is no different. That's why Van's Aircraft has developed SB-00040 - a field modification for earlier RV-12 kits that stiffens up the landing gear beam and associated bulkhead structure (the RV-12 iS airframe already has the beefed-up landing gear beam).