Thailand visit

Hi everybody I was surprised to find that we have booked a holiday to Thailand 😮

Does anyone know if:

A) what type of plane I will be going on (British Airways).
B) how long it takes to get there.
C)Is it worth plane spotting at (BKK) as in viewing facilities.

😀 😀 no need to rush with your replies as I am not going until June next year (2004)