Av-DEC seals have been introduced as replacement for the original antenna gaskets. Fokker Services can issue a DOA approved Engineering Bulletin that will certify the installation of this gasket.
this EB is a minor under EASA privilige
An Av-DEC seal instead of the OEM seal.
This will diminish the installation time as wet sealant is no longer required for leveling purposes.
Av-DEC recommends replacing the Hi-TAK Polyurethane Gasket™, HT3326-5 Self-Leveling
Green sealant and Hi-TAK Polyurethane StretchSeal tape each time the antenna is
removed from the aircraft.
An approved Engineering Bulletin describing the several locations on the aircraft were these types of seals can be installed.
On for example Fokker aircraft upto 31 different seals per aircraft may be applicable.
This will diminish the installation time as wet sealant is no longer required for leveling purposes.
Av-DEC recommends replacing the Hi-TAK Polyurethane Gasket™, HT3326-5 Self-Leveling
Green sealant and Hi-TAK Polyurethane StretchSeal tape each time the antenna is
removed from the aircraft.