They could be doing some pilot training or maintenance test hops with the aircraft. Don't know for sure - just proffering another possibility to the fray....
TNNH, by providing this group with the textbook definition of "semantics" you are splitting hairs with the word. In the purest sense, "a question of semantics" would be defined as "a difference of perspective", wouldn't you agree?
DAMN! This SUCKS! I just had to go to the next higher age bracket in my profile! :-(