Re: a plane is departing/taking off/flying away
This is another case of a conflict between imprecise general English, such as Beryl uses, and the technical language used by those intimately involved in something.
Originally Posted by Beryl from Northallerton
Strictly speaking, a passenger flight consists of five stages (not counting taxiing on the airport), i.e. takeoff, departure, en-route, approach and landing.
The takeoff phase is completed when the wheels leave the ground. The departure phase is whatever the pilot does until a course to the destination is established. The en-route phase is what the aircraft does between airports until entering he approach phase, i.e. the particular pattern or route followed in prepartion for a landing on the designated runway. The landing occurs when the wheels touch the ground. (Aerophiles never, ever, use the accursed "coming in for a landing," which is a Hollywood anachronism, rather than part of the aviation lexicon.)
Now that I've done my nit-picking , Beryl's advice above is fine for the general public.
"My aim is to put down on paper what I see and what I feel in the best and simplest way." - Ernest Hemingway