Green’s Dictionary of Slang

chopper v.

[chopper n.1 (7)]

1. to travel by helicopter.

[US]Time 15 Feb. 19: Whenever he can, he choppers to the field and once a month flies to Bangkok.
[US](con. 1969) N.L. Russell Suicide Charlie 66: The battalion commander had earned the undying enmity of Charlie Company’s troopers by choppering out of Mole City minutes before the big attack.
[Aus]C. Hammer Scrublands [ebook] [T]he homicide cops choppered in.

2. to transport by helicopter.

Hayes Smiling through the Apocalypse 783: The doctor explained how he would be choppered back to Phubai hospital.
[US]M. Herr Dispatches 21: If you get hit [...] we can chopper you back to base-camp hospital in like twenty minutes.
(con. 1968) P. Becker ‘Cakewalk’ Pt 3 at PatriotFiles.com 🌐 We were ordered to bring all our heavy stuff to the mortar pit which was also used as an LZ. It was to be choppered out [...] at the end of the day.
www.dennisyang.com 29 Apr. [blog] Hey man....just broke my ankle on a hike in the woods – it was on top of a mountain ridge and I had to be choppered out in a sling.