Member Profile Update. Please contact the ICAO secretariat office and update your organisational information.   Secretariat office information Ruth Cluness ICAO office 75 1-ka Chungjeong-Ro, Jung-Gu, Seoul, Korea 100-707 (phone) +82 2 2080 6126 (fax) +82 2 2080 6130 (email) nacfico@nonghyup.com Please fill in the member profile sheet and send it back to us.