It’s a helicopter. The word helicopter starts with a sounded "h", and therefore takes the article "a".
It’s a helicopter. When choosing between "a" and "an", the way you pronounce the word that follows, and not the spelling, shows you which one to use. The word helicopter starts with a sounded "h", and therefore takes the article a.
A helicopter usually flies close to the ground.
An helicopter usually flies close to the ground.
More examples:
Has a helicopter ever crossed the Pacific?
She became a helicopter pilot after receiving flight training in the US.
A partial list of words that also begin with a sounded "h" and take the article "a":