RNAS Yeovilton Air Day 2017 Video of RNAS Yeovilton Air Day 2017 RNAS Yeovilton Air Day 2017 showcased the Royal Navy’s Fleet Air Arm alongside visiting aircraft from the UK and overseas. From the home team the Wildcats were out in force as part of the Maritime Role Demonstration complete with pyrotechnics. More explosive action accompanied the Army Air Corps Apache display, and L-159 ALCA due from the Czech Air Force. More foreign military participation included a pair of French Navy Rafales, F-16s from the Belgian and Danish air forces and the Gripen display from the Czech Air Force. The Patrouille Suisse provided a superb finale to the flying display.