Trig TT21 Mode S Transponder Install Kit Only

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Part# 11-09755
MFR Model# 00668-00


Install kit for TRIG TT21 Mode S Transponder.

Kit Includes:
    1 - TT21/TT22 Transponder Installation Manual
    1 - TT21/TT22 Pilots Operating Manual
    2 - Mounting adapter (circular hole adapter)
    1 - Connector Co-axial TNC
    1 - Headshell, 9 Way
    1 - Headshell, 25 way
    1 - 9 way D-type contact housing (female)
    1 - 25 way D-type contact housing (male)
    20 - Crimp Terminal, Male, 22-24 AWG
    9 - Crimp Terminal, Female, 22-24 AWG
    1 - Static tubing, EPDM 5mm ID
    1 - Hose T piece
    2 - Hose Adapter
    6 - Hose clip, small
    2 - Hose clip, large
    4 - Long mounting screws, 4-40 thread
    4 - Short mounting screws, 4-40 thread
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -



Please note,'s personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Do I need to purchase this install kit when I purchase the Trig part # 11-16299 package or does everything in the install kit come with the Trig package?

Per Vendor: All three items are complete and come with install kits.

Q: What is the outer diameter of the static tubing?

0.3 inches.