Cannon is the engine of this aircraft. Boom 50:has 300 explosion scale 1.speed boost 2.explosive cannon 3. 15km time fuze AA cannon 4.10km time fuze cannon 5.extra wing gun+1.5km time fuze cannon 6. 3km time fuze cannon 7. 5km time fuze cannon 8. 7km time fuze cannon Trim:cockpit cam move VTOL:cockpit view cam move+avoid missiles do not use speed boost at underwater launch Boom 50 like a cannon Boom 50 has "300" explosion scale. fire when you can see the silhouette of the island in the super long distance set the unit system to metric in the settings before playing