How Well Do You Know X-Planes?By Marko R. - May 27, 2016Take the quiz below to find out how well you know X-planes! This X-plane was the first aircraft to fly with variable wing sweep. X-14 X-15 X-4 X-5 Correct!Wrong!- Continue >> X-12 Vertijet X-13 Vertijet X-13 VTOLjet X-12 ILandFunnyJet Correct!Wrong!- Continue >>This is the first aircraft to exceed Mach 3. X-15 X-2 X-7 X-1 Correct!Wrong!- Continue >>This is the first manned hypersonic aircraft. X-17 X-14 X-15 X-13 Correct!Wrong!- Continue >> X-31 X-49 X-19 X-29 Correct!Wrong!- Continue >> X-4 Dart X-3 Stiletto X-4 BatJet X-3 Dart Correct!Wrong!- Continue >>This is the first aircraft to break the sound barrier in level flight. X-1 X-2 Y-1 X-10 Correct!Wrong!- Continue >> X-19 X-14 X-13 X-9 Correct!Wrong!- Continue >> X-15 X-19A X-2 X-18 Correct!Wrong!- Continue >> X-35A X-32B X-22C X-30Z Correct!Wrong!- Continue >> X-40 X-38 X-37B X-49A Correct!Wrong!- Continue >> X-48 Hyperhawk X-48 Speedhwak X-49 Speedhawk X-49 Hyperhawk Correct!Wrong!- Continue >> X-27 Waverider X-27 SkyWalker X-29B X-28 Sea Skimmer Correct!Wrong!- Continue >> X-46A X-47B X-49B X-49A Correct!Wrong!- Continue >> X-31 X-45 X-50 X-G Correct!Wrong!- Continue >> Share the quiz to show your results ! Facebook Facebook Just tell us who you are to view your results ! Show my results >> How Well Do You Know X-Planes I got %%score%% of %%total%% right Share your results Twitter ↺ PLAY AGAIN ! 0% Subscribe Notify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Current ye@r * Leave this field empty Label {} [+] Name* Email* Website Current ye@r * Leave this field empty 0 Comments Inline FeedbacksView all comments
