When an aircraft will make a no-gyro surveillance or a PAR approach:
Before issuing a vector, inform the aircraft of the type of approach.
PHRASEOLOGY
THIS WILL BE A NO-GYRO SURVEILLANCE/P-A-R APPROACH.
Instruct the aircraft when to start and stop turn.
PHRASEOLOGY
TURN LEFT/RIGHT.
STOP TURN.
After turn on to final approach has been made and prior to the aircraft reaching the approach gate, instruct the aircraft to make half-standard rate turns.
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