Categories Air Law and ATC Procedures Procedures for air navigation: aircraft operations doc. 8168-ops/611, volume 1 Secondary surveillance radar transponder operating procedures (including ICAO Doc. 7030 – regional supplementary procedures) Post author By Zelf Koelman Post date August 1, 2021 No Comments on Secondary surveillance radar transponder operating procedures (including ICAO Doc. 7030 – regional supplementary procedures) Operation of transponders Phraseology ← Altimeter setting procedures (including IACO doc. 7030 – regional supplementary procedures) → Annex 11: Doc. 4444 air traffic management Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.