You spell it like this - aircraft.
The aircraft is a "helicopter".
The correct spelling of the aircraft is helicopter.
The correct spelling is "airplane" (a powered aircraft).
The prefix is spelled "aero-" (pertaining to flight, air travel, or aircraft)
That is the correct spelling of the word "taxiing" as used for aircraft.
The word may be the proper noun Cessna, a US light aircraft manufacturer.
The usual spelling is "bogey", which is also more representative of how it's pronounced.
This looks like the plural nouns:pilots - those who steer aircraft or shipsviolets - purple flowers
Messerschmitt AG was the name of the famous German aircraft manufacturing corporation.
'Hairier' is correct for someone who has more hair. There is also a bird called a 'harrier' after which the aircraft was named.
Taxiing is the correct spelling when referring to the movement of an aircraft on the ground under its own power.
That is the correct spelling of "tailspin" (a dangerous or uncontrollable aircraft condition, used as a metaphor for extreme confusion or bewilderment).