Communication Requirements and Visual Signals

a) At SHE aerodromes all vehicles employed on the maneuvering area shall be capable of maintaining two-way radio communication with AERODROME CONTROL TOWER, except when the vehicle is only occasionally used on the maneuvering area and is:

1) accompanied by a vehicle with the required communications capability; or

2) employed in accordance with a pre-arranged plan established with AERODROME CONTROL TOWER.

b) When communications by a system of visual signals is deemed to be adequate, or in the case of radio communication failure, the signals given hereunder shall have the meaning indicated therein:

Light signal from Aerodrome Control Meaning

Green flashes Permission to cross landing area or to move onto taxiway Steady red Stop Red flashes Move off the landing area or taxiway and watch out for aircraft White flashes Vacate maneuvering area in accordance with local instructions

c) In emergency conditions or if the signals in b) above are not observed, the signal given hereunder shall be used for runways or taxiways equipped with a lighting system and shall have the meaning indicated therein.

Light signal Meaning

Flashing runway or taxiway lights Vacate the runway and observe the tower for light signal

d) When employed in accordance with a plan prearranged with the AERODROME CONTROL TOWER, constructional and maintenance personnel should not normally be required to be capable of maintaining two-way radio communication with AERODROME CONTROL TOWER.

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