Key legal question
Whether the airline still had standing to challenge the withdrawn BAZL order before the INUM.
Extracted holding
No. The company lacked an up-to-date practical interest; the exception for recurring issues of public importance did not apply.
Extracted reasoning
A desire to use the decision in a later state-liability action does not by itself justify standing. The case also did not meet the strict conditions for hearing a moot case despite the loss of current interest.