www.netaces.org this has a one page printable version of the key commands for AH it opens in adobe AR ... its a must have for every AHer .
if you have AR on your pc it will open if you go
here for the 1 page key commands there are also Dot commands that you type into the chat bar such as....
.ef
Ends your flight or send you to the tower when on the ground stopped
.squelch players name
.squelch radio 1
.unsquelch radio 1
this will mute a players chat ,mutes channel one ,you can mute any channel 1-5 if nessesary
.move enter number of field you want to move to
.country 1 ,2 ,or 3
1 is bishops 2 is knights 3 is rooks this switches the country you are flying for (note you can only switch once in 6 hours i believe in the main arena)
there are several others on the HTC help pages and in the netaces website