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Air Traffic Control (7110.65) | ATC | Effective: | 07-15-99 | Updated: | 04-02-99 |
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a. When an aircraft reports a ground-based NAVAID malfunction, take the following actions:
1. Request a report from a second aircraft.
2. If the second aircraft reports normal operations, continue use and inform the first aircraft. Record the incident on FAA Form 7230-4 or appropriate military form.
3. If the second aircraft confirms the malfunction or in the absence of a second aircraft report, activate the standby equipment or request the monitor facility to activate.
4. If normal operation is reported after the standby equipment is activated, continue use, record the incident on FAA Form 7230-4 or appropriate military form, and notify Airway Facilities (AF) personnel (the Systems Engineer of the ARTCC when an en route aid is involved).
5. If continued malfunction is reported after the standby equipment is activated or the standby equipment cannot be activated, inform AF personnel and request advice on whether or not the aid should be shut down. In the absence of a second aircraft report, advise the AF personnel of the time of the initial aircraft report and the estimated time a second aircraft report could be obtained.
b. When an aircraft reports a GPS/GNSS anomaly, request the following information and/or take the following actions:
1. Date and time of the occurrence.
2. Location of anomaly.
3. Altitude.
4. Aircraft type and call sign.
5. GPS receiver (make and model) or FMS that uses GPS sensors.
6. Aircraft attitude.
7. Other information.
8. Attempt to identify other GPS aircraft in the area experiencing the anomaly.
9. Forward this information to the local AF personnel.
10. Broadcast the anomaly report to other aircraft as necessary.
NOTE-
1-4 are considered essential information. Obtain 5-7 whenever possible. Actions 8-10 are mandatory.
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