Why are aircraft tyres always inflated with nitrogen!!
I thought you "blokes" used O2?
Once at London Heathrow, in a small private jet, we called British Airways and asked to have some "engineer's" bring a nitrogen cart over to service a low tire. (British Airways was our "handler" and always did a sterling job, in most all matters)
Anyway, after about :15 minutes, a couple of guys showed up towing a cart with gig GREEN oxygen bottles?
Of course, when we told and showed them the "low tire", they shook their heads and set off back to the maintenance center to get the proper "cart". lol