|Quoting LN-MOW (Reply 1):|
Most airlines use the IATA standard as base for their delay codes. Most use the numerical codes, but some prefer the alphabetical.
|Quoting NWCOflyer (Reply 2):|
We only have a handful of codes that we use on a regular basis (probably about 20).
|Quoting Fsuwxman (Reply 5):|
At my airline, here are a few of my more frequent delay codes. We use a three letter code for our delays.
Military Aircraft Every type from fighters to helicopters from air forces around the globe
Classic Airliners Props and jets from the good old days
Flight Decks Views from inside the cockpit
Aircraft Cabins Passenger cabin shots showing seat arrangements as well as cargo aircraft interior
Cargo Aircraft Pictures of great freighter aircraft
Government Aircraft Aircraft flying government officials
Helicopters Our large helicopter section. Both military and civil versions
Blimps / Airships Everything from the Goodyear blimp to the Zeppelin
Night Photos Beautiful shots taken while the sun is below the horizon
Accidents Accident, incident and crash related photos
Air to Air Photos taken by airborne photographers of airborne aircraft
Special Paint Schemes Aircraft painted in beautiful and original liveries
Airport Overviews Airport overviews from the air or ground
Tails and Winglets Tail and Winglet closeups with beautiful airline logos