Gifts for pilots
Gifts for pilots arrive by the boxful and are kept by the handful. The ones that survive have a date or a place attached.
Flying is a sequence of marked moments in a way most hobbies are not. First solo, skills test, licence issued, first passenger, a rating added, a type converted onto. Each one is a date somebody remembers precisely, and each one has a place attached to it, which is a gift-shaped fact if ever there was one.
Match gifts for pilots to where they are
A student is living inside one aircraft and one airfield, and that aircraft means more to them right now than it ever will again. Print it while that is true. Somebody newly licensed has just finished something hard at a specific place, so the field is the obvious subject. Somebody twenty years in has flown a lot of aeroplanes and is unlikely to want another mug, but will absolutely take the aircraft on a wall, large, in a room where it can be seen.
The field is the safe answer when you are unsure, because a pilot's home airfield is not a guess. It is where they keep going. The airport code print is that, and what an airport code is explains why three letters carry so much.
One practical warning about photographs
If you are sourcing a picture yourself, take it from public ground. Airside and restricted-area photography is not a grey area you want to explore on somebody else's behalf, and a shot taken from the wrong side of a fence is a bad thing to hand a licence holder. The Civil Aviation Authority is the UK regulator if you want to check anything specific.
Beyond that, ordinary caution applies. Get the code right and get the field right. A pilot will spot a wrong identifier instantly, and it is the one detail on the whole piece they cannot unsee.
Pilot presents and pilot gifts are the same search with different words on it; either way the field or the milestone is what makes one worth keeping.
Other people to buy for are on the gift, and if you already know the aircraft, aircraft gifts is the shorter route.