Several Tehran FIR sector frequencies listed in AIP ENR 2.1 are changed to frequency 258.400 MHz: the notice lists previous frequencies for sectors 1 to 7 and states change to 258.400 MHz. This applies every Saturday and Thursday from 11:30 to 14:30 UTC between ground level and flight level 245.
In plain words, written by this platform’s AI from the notice below. The notice is the authority.
- From
- 7 October 2026 · 08:23 2026-10-07 04:53Z
- Until
- 6 January 2027 · 00:00 2027-01-05 20:30Z Estimated
Vertical limits GND – FL245
The notice as published (ICAO)
A2220/26 NOTAMR
A) OIIX B) 2610070453 C) 2701052030 EST
D) EV SAT THU 1130-1430
E) REF AIP PAGE ENR 2.1, FREQ 316.800 MHZ SECTOR 1 NORTH/EAST/WEST, FREQ 351.900 MHZ SECTOR 2 EAST/WEST, FREQ 326.400 MHZ SECTOR 3 NORTH/SOUTH, FREQ 291.700 MHZ SECTOR 4 EAST/WEST/SOUTH, FREQ 309.100 MHZ SECTOR 5 EAST/WEST, FREQ 284.900 MHZ SECTOR 6 EAST/WEST AND FREQ 302.400 MHZ SECTOR 7 CHANGE TO FREQ 258.400 MHZ.
F) GND G) FL245