Airport Operations

LEGEND Standard left-hand traffic pattern (depicted) Right-hand traffic pattern (depicted) Final Departure Figure 14-40. Traffic pattern operation—parallel runways. 14-23 esaB dniwssorC Final Departure esaB dniwssorC 1 2 5 6 3 4 6 No transgression zone Segmented circle No transgression zone 3 4 6 6 5 2 Downwind 1 E n try standard terminology. The AIM also contains many examples If the transmitter becomes inoperative, a pilot should follow of radio communications. the previously stated procedures and also monitor the appropriate ATC frequency. During daylight hours, ATC ICAO has adopted a phonetic alphabet that should be used in transmissions may be acknowledged by rocking the wings radio communications. When communicating with ATC, pilots and at night by blinking the landing light. should use this alphabet to identify their aircraft. [Figure 14-41] When both receiver and transmitter are inoperative, the pilot Lost Communication Procedures should remain outside of Class D airspace until the flow of It is possible that a pilot might experience a malfunction of traffic has been determined and then enter the pattern and the radio. This might cause the transmitter, receiver, or both watch for light signals. to become inoperative. If a receiver becomes inoperative and a pilot needs to land at a towered airport, it is advisable to remain Radio malfunctions should be repaired before further outside or above Class D airspace until the direction and flow flight. If this is not possible, ATC may be contacted by of traffic is determined. A pilot should then advise the tower of telephone requesting a VFR departure without two-way radio the aircraft type, position, altitude, and intention to land. The communications. No radio (NORDO) procedure arrivals pilot should continue, enter the pattern, report a position as are not accepted at busy airports. If authorization is given appropriate, and watch for light signals from the tower. Light to depart, the pilot is advised to monitor the appropriate signal colors and their meanings are contained in Figure 14-42. frequency and/or watch for light signals as appropriate.