unairworthy
- a not fit to fly
- By giving proper emphasis to the fact that the plane was unlicensed and impliedly unairworthy, the story was a warning to the reader against flying in unlicensed craft, at .
- In a rebuilt Eaglerock Bullet which she called an "unairworthy crate rescued from the junkpile," devoid even of a turn-- bank indicator, she flew solo last fortnight from .
- It did not matter that the Federal Aviation Agency fined Imperial $1,000 in 1959 for flying 30 marines in an "unairworthy" C-46.