Use of altitude-encoding transponder is mandatory at Malmi 13.02.2017/0 Comments/in /by Seppo SipiläRead more https://www.efhf.fi/wp-content/uploads/2017/01/transponder2.jpg 191 689 Seppo Sipilä //efhfry.fi/wp-content/uploads/2016/12/EFHFRY_Logo.png Seppo Sipilä2017-02-13 14:36:132017-02-13 14:37:58Use of altitude-encoding transponder is mandatory at Malmi