Frequency or frequency band | Subpart | Class of station | Remarks |
90-110 kHz | Q | RL | LORAN "C". |
190-285 kHz | Q | RLB | Radiobeacons. |
200-285 kHz | O | FAC | Air traffic control. |
325-405 kHz | O | FAC | Air traffic control. |
325-435 kHz | Q | RLB | Radiobeacons. |
410.0 kHz | F | MA | International direction-finding for use outside of United States. |
457.0 kHz | F | MA | Working frequency for aircraft on over-water flights. |
500.0 kHz | F | MA | International calling and distress frequency for ships and aircraft on over-water flights. |
510-535 kHz | Q | RLB | Radiobeacons. |
2182.0 kHz | F | MA | International distress and calling. |
2648.0 kHz | I | AX | Alaska station. |
2850.0-3025.0 kHz | I | MA, FAE | International HF. |
2851.0 kHz | I, J | MA, FAE, FAT | International HF; Flight Test. |
2866.0 kHz | I | MA, FAE | Domestic HF; (Alaska). |
2875.0 kHz | I | MA, FAE | Domestic HF. |
2878.0 kHz | I | MA1, FAE | Domestic HF; International HF. |
2911.0 kHz | I | MA, FAE | Domestic HF. |
2956.0 kHz | I | MA, FAE | Domestic HF. |
3004.0 kHz | I, J | MA, FAE, FAT | International HF; Flight Test. |
3019.0 kHz | I | MA1, FAE | Domestic HF; International HF. |
3023.0 kHz | F, M, O | MA1, FAR, FAC | Search and rescue communications. |
3281.0 kHz | K | MA, FAS | Lighter-than-air craft and aeronautical stations serving lighter-than-air craft. |
3400.0-3500.0 kHz | I | MA, FAE | International HF. |
3434.0 kHz | I | MA1, FAE | Domestic HF. |
3443.0 kHz | J | MA, FAT | Flight Test. |
3449.0 kHz | I | MA, FAE | Domestic HF. |
3470.0 kHz | I | MA, FAE | Domestic HF; International HF. |
4125.0 kHz | F | MA | Distress and safety with ships and coast stations. |
4550.0 kHz | I | AX | Gulf of Mexico. |
4645.0 kHz | I | AX | Alaska. |
4650.0-4700.0 kHz | I | MA, FAE | International HF. |
4672.0 kHz | I | MA1, FAE | Domestic HF. |
4947.5 kHz | I | AX | Alaska. |
5036.0 kHz | I | AX | Gulf of Mexico. |
5122.5 kHz | I | AX | Alaska. |
5167.5 kHz | I | FA | Alaska emergency. |
5310.0 kHz | I | AX | Alaska. |
5450.0-5680.0 kHz | I | MA, FAE | International HF. |
5451.0 kHz | J | MA, FAT | Flight Test. |
5463.0 kHz | I | MA1, FAE | Domestic HF. |
5469.0 kHz | J | MA, FAT | Flight Test. |
5472.0 kHz | I | MA, FAE | Domestic HF. |
5484.0 kHz | I | MA, FAE | Domestic HF. |
5490.0 kHz | I | MA, FAE | Domestic HF. |
5496.0 kHz | I | MA, FAE | Domestic HF. |
5508.0 kHz | I | MA1, FAE | Domestic HF. |
5571.0 kHz | J | MA, FAT | Flight Test. |
5631.0 kHz | I | MA, FAE | Domestic HF. |
5680.0 kHz | F, M, O | MA1, FAC, FAR | Search and rescue communications. |
5887.5 kHz | I | AX | Alaska. |
6525.0-6685.0 kHz | I | MA, FAE | International HF. |
6550.0 kHz | J | MA, FAT | Flight Test. |
6580.0 kHz | I | MA, FAE | Domestic HF. |
6604.0 kHz | I | MA, FAE | Domestic HF. |
8015.0 kHz | I | AX | Alaska. |
8364.0 kHz | F | MA | Search and rescue communications. |
8815.0-8965.0 kHz | I | MA, FAE | International HF. |
8822.0 kHz | J | MA, FAT | Flight Test. |
8855.0 kHz | I | MA, FAE | Domestic HF; international HF. |
8876.0 kHz | I | MA, FAE | Domestic HF. |
10005.0-10100.0 kHz | I | MA, FAE | International HF. |
10045.0 kHz | J | MA, FAT | Flight Test. |
10066.0 kHz | I | MA, FAE | Domestic HF; international HF. |
11275.0-11400.0 kHz | I | MA, FAE | International HF. |
11288.0 kHz | J | MA, FAT | Flight Test. |
11306.0 kHz | J | MA, FAT | Flight Test. |
11357.0 kHz | I | MA, FAE | Domestic HF. |
11363.0 kHz | I | MA, FAE | Domestic HF. |
13260.0-13360.0 kHz | I | MA, FAE | International HF. |
13312.0 kHz | I, J | MA, FAE, FAT | International HF; Flight Test. |
17900.0-17970.0 kHz | I | MA, FAE | International HF. |
17964.0 kHz | J | MA, FAT | Flight Test. |
21924.0-22000.0 kHz | I | MA, FAE | International HF. |
21931.0 kHz | J | MA, FAT | Flight Test. |
72.02-72.98 MHz | P | FA, AXO | Operational fixed. |
75.000 MHz | Q | RLA | Marker beacon. |
75.42-75.98 MHz | P | FA, AXO | Operational fixed. |
108.000 MHz | Q | RLT | |
108.000-117.950 MHz | Q | RLO | VHF omni-range. |
108.000-117.975 MHz | Q | DGP | Differential GPS. |
108.050 MHz | Q | RLT | |
108.100-111.950 MHz | Q | RLL | ILS Localizer. |
108.100 MHz | Q | RLT | |
108.150 MHz | Q | RLT | |
118.000-121.400 MHz | O, S | MA, FAC, FAW, GCO RCO, RPC | 25 kHz channel spacing |
121.500 MHz | G, H, I, J, K, M, O | MA, FAU, FAE, FAT, FAS, FAC, FAM | Emergency and distress. |
121.600-121.925 MHz | O, L, Q | MA, FAC, MOU, RLT, GCO, RCO, RPC | 25 kHz channel spacing. |
121.950 MHz | K | FAS | |
121.975 MHz | F, S | MA2, FAW, FAC, MOU | Air traffic control operations. |
122.000 MHz | F | MA, FAC, MOU | Air carrier and private aircraft enroute flight advisory service provided by FAA. |
122.025 MHz | F, S | MA2, FAW, FAC, MOU | Air traffic control operations. |
122.050 MHz | F | MA, FAC, MOU | Air traffic control operations. |
122.075 MHz | F, S | MA2, FAW, FAC, MOU | Air traffic control operations. |
122.100 MHz | F, O | MA, FAC, MOU | Air traffic control operations. |
122.125-122.675 MHz | F | MA2, FAC, MOU | Air traffic control operations; 25 kHz spacing. |
122.700 MHz | G, L, Q | MA, FAU, MOU, AVW | Unicom at airports with no control tower; Aeronautical utility stations. |
122.725 MHz | G, L, Q | MA, FAU, MOU, AVW | Unicom at airports with no control tower; Aeronautical utility stations. |
122.750 MHz | F, Q | MA2, AVW | Private fixed wing aircraft air-to-air communications. |
122.775 MHz | K | MA, FAS | |
122.800 MHz | G, L, Q | MA, FAU, MOU, AVW | Unicom at airports with no control tower; Aeronautical utility stations. |
122.825 MHz | I | MA, FAE | Domestic VHF. |
122.850 MHz | H, K, Q | MA, FAM, FAS, AVW. | |
122.875 MHz | I | MA, FAE | Domestic VHF. |
122.900 MHz | F, H, L, M, Q | MA, FAR, FAM, MOU, AVW | |
122.925 MHz | H | MA2, FAM | |
122.950 MHz | G, L, Q | MA, FAU, MOU, AVW | Unicom at airports with control tower; Aeronautical utility stations. |
122.975 MHz | G, L, Q | MA, FAU, MOU, AVW | Unicom at airports with no control tower; Aeronautical utility stations. |
123.000 MHz | G, L, Q | MA, FAU, MOU, AVW | Unicom at airports with no control tower; Aeronautical utility stations. |
123.025 MHz | F, Q | MA2, AVW | Helicopter air-to-air communications; Air traffic control operations. |
123.050 MHz | G, L, Q | MA, FAU, MOU, AVW | Unicom at airports with no control tower; Aeronautical utility stations. |
123.075 MHz | G, L, Q | MA, FAU, MOU, AVW | Unicom at airports with no control tower; Aeronautical utility stations. |
123.100 MHz | M, O | MA, FAC, FAR | |
123.125 MHz | J | MA, FAT | Itinerant. |
123.150 MHz | J | MA, FAT | Itinerant. |
123.175 MHz | J | MA, FAT | Itinerant. |
123.200 MHz | J | MA, FAT | |
123.225 MHz | J | MA, FAT | |
123.250 MHz | J | MA, FAT | |
123.275 MHz | J | MA, FAT | |
123.300 MHz | K, Q | MA, FAS, AVW. | |
123.325 MHz | J | MA, FAT | |
123.350 MHz | J | MA, FAT | |
123.375 MHz | J | MA, FAT | |
123.400 MHz | J | MA, FAT | Itinerant. |
123.425 MHz | J | MA, FAT | |
123.450 MHz | J | MA, FAT | |
123.475 MHz | J | MA, FAT | |
123.500 MHz | K, Q | MA, FAS, AVW. | |
123.525 MHz | J | MA, FAT | |
123.550 MHz | J | MA, FAT | |
123.575 MHz | J | MA, FAT | |
123.6-128.8 MHz | O, S | MA, FAC, FAW, GCO, RCO, RPC | 25 kHz channel spacing. |
128.825-132.000 MHz | I | MA, FAE | Domestic VHF. |
131.450 MHz | I | DLT. | |
131.550 MHz | I | DLT. | |
131.725 MHz | I | DLT. | |
131.825 MHz | I | DLT. | |
132.025-135.975 MHz | O, S | MA, FAC, FAW, GCO RCO RPC | 25 kHz channel spacing. |
136.000-136.400 MHz | O, S | MA, FAC, FAW, GCO, RCO, RPC | Air traffic control operations; 25 kHz channel spacing. |
136.425 MHz | O, S | MA, FAC, FAW, GCO, RCO, RPC | Air traffic control operations. |
136.450 MHz | O, S | MA, FAC, FAW, GCO, RCO, RPC | Air traffic control operations. |
136.475 MHz | O, S | MA, FAC, FAW, GCO, RCO, RPC | Air traffic control operations. |
136.500-136.875 MHz | I | MA, FAE | Domestic VHF; 25 kHz channel spacing. |
136.850 MHz | I | DLT. | |
136.900 MHz | I | MA, FAE, DLT | International and Domestic VHF. |
136.925 MHz | I | MA, FAE, DLT | International and Domestic VHF. |
136.950 MHz | I | MA, FAE, DLT | International and Domestic VHF. |
136.975 MHz | I | MA, FAE, DLT | International and Domestic VHF. |
156.300 MHz | F | MA | For communications with ship stations under specific conditions. |
156.375 MHz | F | MA | For communications with ship stations under specific conditions; Not authorized in New Orleans Vessel traffic service area. |
156.400 MHz | F | MA | For communications with ship stations under specific conditions. |
156.425 MHz | F | MA | For communications with ship stations under specific conditions. |
156.450 MHz | F | MA | For communications with ship stations under specific conditions. |
156.625 MHz | F | MA | For communications with ship stations under specific conditions. |
156.800 MHz | F | MA | Distress, safety and calling frequency; For communications with ship stations under specific conditions. |
156.900 MHz | F | MA | For communications with ship stations under specific conditions. |
157.425 MHz | F | MA | For communications with commercial fishing vessels under specific conditions except in Great Lakes and St. Lawrence Seaway Areas. |
243.000 MHz | F | MA | Emergency and distress frequency for use of survival craft and emergency locator transmitters. |
328.600-335.400 MHz | Q | RLG | ILS glide path. |
334.550 MHz | Q | RLT | |
334.700 MHz | Q | RLT | |
406.0-406.1 MHz | F, G, H, I, J, K, M, O | MA, FAU, FAE, FAT, FAS, FAC, FAM | Emergency and distress. |
960-1215 MHz | F, Q | MA, RL, RNV | Electronic aids to air navigation. |
978.000 MHz | F, L, Q | MA, MOU, UAT | Universal Access Transceivers. |
UAT | |||
Q | RLT | ||
979.000 MHz | Q | RLT | |
1030.000 MHz | Q | RLT. | |
1090.000 MHz | L | MOU, RLT | Vehicle Squitter. |
1104.000 MHz | Q | RLT | |
1300-1350 MHz | F, Q | MA, RLS | Surveillance radars and transponders. |
1435-1525 MHz | F, J | MA, FAT | Aeronautical telemetry and telecommand operations. |
1559-1610 MHz | Q | DGP | Differential GPS. |
1559-1626.5 MHz | F, Q | MA, RL | Aeronautical radionavigation. |
1646.5-1660.5 MHz | F | TJ | Aeronautical Mobile-Satellite (R). |
2345-2395 MHz | J | MA, FAT | Aeronautical telemetry and telecommand operations. |
2700-2900 MHz | Q | RLS, RLD | Airport surveillance and weather radar. |
4200-4400 MHz | F | MA | Radio altimeters. |
5030-5150 MHz | Q | MA, RLW | Microwave landing systems. |
5031.000 MHz | Q | RLT | |
5091-5150 MHz | J | MA, FAT | Aeronautical telemetry. |
5350-5470 MHz | F | MA | Airborne radars and associated airborne beacons. |
8750-8850 MHz | F | MA | Airborne doppler radar. |
9000-9200 MHz | Q | RLS, RLD | Land-based radar. |
9300-9500 MHz | F, Q | MA | Airborne radars and associated airborne beacons. |
13250-13400 MHz | F | MA | Airborne doppler radar. |
15400-15700 MHz | Q | RL | Aeronautical radionavigation. |
24450-24650 MHz | F, Q | MA, RL | Aeronautical radionavigation. |
32300-33400 MHz | F, Q | MA, RL | Aeronautical radionavigation. |
47 C.F.R. §87.173
For FEDERAL REGISTER citations affecting §87.183, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov