International route structure and communications for transit of the Bangkok FIR when no ATS available in Bangkok airspace.
Contingency Routes Definition | ATS Route | Direction | FL Assignment | ACCs | Frequency (MHz) |
---|---|---|---|---|---|
CRTHA001 | VTN R474 BKK A464 KARMI | Northbound | 310 | Vientiane ACC | 124.1 |
Southbound | 390 | Kuala Lumpur ACC | 133.7 | ||
CRTHA002 | MAKAS G473 OKENA A202 SAV | Eastbound | 370, 410 | Vientiane ACC | 128.3 |
Westbound | 340 | Yangon ACC | 128.75 | ||
CRTHA003 | TANEK L301 BKK G474 OMURO | Eastbound | 330, 410 | Phnom Penh ACC | 127.5 |
Westbound | 360 | Yangon ACC | 124.75 |