Of course this answer needs to incorporate the above with respect to keeping up with maintenance and record keeping. The usual value adds will also apply as do having no material damage or corrosion, complete records and logs, good cosmetics and proximity to engine overhauls and mid-life inspections and/or being on engine program. so i will say yes to your question!!
So they know if it's safe for them to fly.
The safety of it is irrelevant - no air force will let you do that.
An aircraft is designed to fly in 'air' there is no 'air' in space.
A properly designed aircraft most certainly can fly into the air.
Aircraft fly through air and spacecraft fly in space.
An aircrew are the people who fly an aircraft
No, airports are a place where aircraft fly to and from.
piolot
No!
Yes, you need a licence to fly an aircraft.
If you are in an aircraft, yes.
the first aircraft flew in old California by the wright brothers . it consisted of a gear stick and wires .