Code of Federal Regulations (alpha)

CFR /  Title 47  /  Part 87  /  Sec. 87.173 Frequencies.

(a) The table in paragraph (b) of this section lists assignable carrier frequencies or frequency bands.

(1) The single letter symbol appearing in the ``Subpart'' column indicates the subpart of this part which contains additional applicable regulations.

(2) The two or three letter symbol appearing in the ``Class of Station'' column indicates the class of station to which the frequency is assignable.

(b) Frequency table: ----------------------------------------------------------------------------------------------------------------

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..... 25 kHz channel spacing

RCO, RPC..............121.500 MHz........................ G, H, I, J, K, M, O... MA, FAU, FAE, FAT, Emergency and distress.

FAS, FAC, FAM.121.600-121.925 MHz................ O, L, Q............... MA, FAC, MOU, RLT, 25 kHz channel spacing.

GCO, RCO, RPC.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, AVW122.925 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, 25 kHz channel spacing.

RCO, RPC.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 25 kHz channel spacing.

RPC.136.000-136.400 MHz................ O, S.................. MA, FAC, FAW, GCO, Air traffic control

RCO, RPC operations; 25 kHz channel

spacing.136.425 MHz........................ O, S.................. MA, FAC, FAW, GCO, Air traffic control

RCO, RPC operations.136.450 MHz........................ O, S.................. MA, FAC, FAW, GCO, Air traffic control

RCO, RPC operations.136.475 MHz........................ O, S.................. MA, FAC, FAW, GCO, Air traffic control

RCO, RPC 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, Emergency and distress.

FAS, FAC, FAM.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.---------------------------------------------------------------------------------------------------------------- [53 FR 28940, Aug. 1, 1988]

Editorial Note: For Federal Register citations affecting Sec. 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.