1. The International Civil Aviation Organization.
2. A specialized agency of United Nation.
3.ICAO sets the standards for aviation safety , security , efficiency , and aviation environmental protection.
4. Objectives are to;
4.1 Set standards and rules for training and
certification of aviation personal.
4.2 Set standards for communication systems
and procedures.
4.3 Set standards requirements for airworthiness
[fit to fly] aircraft.