1 Mandatory carriage of 8.33 kHz channel radio equipment
All flights within the Yerevan UTA are exempted from mandatory carriage of 8.33kHz channel spacing capable radio equpiment requirement.
2 Reduced Vertical Separation Minimum (RVSM)
The airspace within the Yerevan UTA between FL 290 and FL 410 inclusive, as described in ENR-2.1 is EUR RVSM transition airspace. Within this airspace, the vertical separation minimum shall be:
300 metres (1 000 feet) between RVSM approved aircraft;
600 metres (2 000 feet) between:
non-RVSM approved aircraft and any other aircraft operating within the EUR RVSM airspace;
formation flights of State aircraft and any other aircraft operating within the EUR RVSM airspace; and
an aircraft experiencing a communications failure in flight and any other aircraft, when both aircrafts are operating within the EUR RVSM airspace.