Sept 27 (Reuters) - NAV Canada NAVCA.UL :
* NAV CANADA INFORMED OF APPEAL, TO COMMENCE MEDIATION
* NAV CANADA - CO, IATA AGREED TO MEDIATION, WHICH IS EXPECTED TO COMMENCE IN OCTOBER
* NAV CANADA - CANADIAN TRANSPORTATION AGENCY SAID IT RECEIVED APPEAL BY INTERNATIONAL AIR TRANSPORTATION ASSOCIATION OF REVISED SERVICE CHARGES
* NAV CANADA - REVISED BASE RATES IMPLEMENTED ON SEPTEMBER 1, 2019 WILL REMAIN IN EFFECT