NAVAID Malfunction Procedures

Question 1

(RDR/GF Appch OL)

Who do you advise of any NAVAID/ATCALS changes?

Answer 1

Tower

Question 2

(RAPCON OI)

Who do you report communications or radar equipment outages and malfunctions to?

Answer 2

Radar maintenance or airfield systems

Automation personnel

Record the outage on AF IMT 3624, equipment outage log, and on AF IMT 3616

Question 3

(AOI 13-204)

[generator test runs]

Before transferring power at a Navigation Aid or DASR site…

Answer 3

The RAPCON Watch Supervisor must give approval.

Question 4

(AOI 13-204)

[Unscheduled RAWS Interruptions and Malfunctions]

Tower and RAPCON will report unscheduled changes in the status of RAWS to

Answer 4

RAWS maintenance, AMOPS, and ATC Automation personnel (for STARS outages only)

Question 5

(AOI 13-204)

In no case will RAWS equipment be taken out of service when weather conditions fall below or are forecasted to fall below

Answer 5

A ceiling of 3,000’ or visibility of 5 miles, unless damage or failure of RAWS is imminent.

Question 6

Watch supervisor may ‘release’ RAWS for maintenance so long as the equipment is..

Answer 6

Still usable for control of air traffic.

Question 7

(AOI 13-204)

Who is the GFAFB NOTAM monitoring facility?

Answer 7

The RAPCON

Question 8

(AOI 13-204)

Who will notify AMOPS of any extended NAVAID outages?

Answer 8

The RAPCON, because they’re the GFAFB NOTAM monitoring facility.

Question 9

(AOI 13-204)

Who prepares and disseminates appropriate NOTAMs?

Answer 9

AMOPS

Question 10

(AOI 13-204)

The Red River TACAN is located

Answer 10

Just west of the runway at midfield.

Question 11

What does ATCALS stand for?

Answer 11

Automatic landing systems (ALS)

Question 12

When an aircraft reports a ground-based NAVAID malfunctions, take the following actions:

Answer 12

1. Request a report from a second aircraft

   > If 2nd aircraft says its normal, continue use and inform other aircraft
   
   > If 2nd aircraft confirms malfunction, or there is no 2nd aircraft, use standby equipment or request the monitor facility to activate
   
              -If normal operation is reported after the standby equipment is activated

Question 13

After a NAVAID malfunction happens what do you do

Answer 13

Record the incident on FAA Form 7230-4 or appropriate military form.

Notify technical operations personnel (the Systems Engineer of the ARTCC when an en route aid is involved.

Question 14

If continued malfunction is reported after the standby equipment is activated or the standby equipment cannot be activated:

Answer 14

Inform technical operations personnel and request advice on whether or not the aid should be shut down.

In the absence of a second aircraft report, advise the technical operations personnel of the Tim of the initial aircraft report and the estimated time a second aircraft report could be obtained.

Question 15

when an aircraft reports a GPS or WAAS anomaly:

Answer 15

1. Record the following information:
   >Aircraft make, model and call sign
   > Location or position, and altitude at the time where GPS or WAAS anomaly was observed
   > Date/time of occurrence
2. Request a report from a second aircraft
3. Record the incident of FAA Form 7230-4 or appropriate military form
4. Inform other aircraft of the anomaly

Question 16

What is the phraseology for informing other aircraft of a GPS or WAAS anomaly

Answer 16

ATTENTION ALL AIRCRAFT, GPS REPORTED UNRELIABLE (OR WAS UNAVAILABLE) IN VICINITY/AREA (position)

Question 17

When a pilot reports a WAAS anomaly:

Answer 17

Determine from the pilot what indications he or she observes and record the information.