TT21/TT22 Transponder Installation Manual 22 August 2017
00560-00 Issue AP
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Trig Avionics Limited 47
Aircraft zone 2; type 3, 4, 5 to category S
level M, type 1 (Helicopters) to category U
level G
Equipment identified as Category X – no test
required
Equipment identified as Category X – no test
required
Equipment identified as Category X – no test
required
Equipment identified as Category X – no test
required
Equipment identified as Category X – no test
required
Equipment identified as Category X – no test
required
Equipment tested to Category Z
Equipment tested to Category BX
Equipment tested to Category B
Audio frequency
conducted susceptibility
Equipment tested to Category B
Induced signal
susceptibility
Equipment tested to Category AC
Radio frequency
susceptibility
Equipment tested to Category TT
Equipment tested to Category B
Lightning induced
transient susceptibility
Equipment identified as Category XXXX – no
test required
Equipment identified as Category X – no test
required
Equipment identified as Category X – no test
required
Equipment identified as Category X – no test
required
Equipment identified as Category C