TOWTEAMBASE
If you are a De-icing/Anti-icing certified operator, then I guess you got one or two questions wrong on your annual training?
FYI
http://files.aea.be/Downloads/AEA_TrainingMan_Ed7.pdf
and
http://files.aea.be/Downloads/AEA_Deicing_v25_revb.pdf
Not a 27 in sight!
Regards
HH