Mr. Kyle Reeds

(So im doing this because my bus never came to pick me up to take me to school lol) This is Kyle Reeds, head of Arrocorp (they make aircraft), and youre a new employee, who works on blueprint designs. recently, you have been tasked to come up with (whatever aircraft you want) but you screwed it up big time, and now youre being interrogated by your boss... what excuse will you come up with to save your job, or lose it all? (Dont mind the voice and also hes not supposed to look like hes old hes 35)