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bobthebowler
16th Aug 2012, 09:22
Hello again everyone!

At the Sunshine Coast (AUS), a NOTAM has just been issued stating
"ALL RDO NAV FAC PILOT MNT OUTSIDE TWR HR FROM (date) to (date)"



This NOTAM suggests to me that someone normally monitors the navaids outside tower hours on a daily basis, but there will be no-one around to monitor the navaids overnight til the cancellation date of the NOTAM.

I'm only asking because I didn't realise anyone actually monitored the navaids overnight and now all of a sudden the pilots are responsible for monitoring them ourselves.

Am I right or have I got the whole process mixed up?


Rob

Checkboard
16th Aug 2012, 10:39
The aids are normally monitored by an automatic system - and that system reports to the tower cab. This notam is just telling you that if no one is in the tower then no one can see the "fail" light come on, and that the system isn't set up to report to a remote ATC station when the tower isn't manned.

If the aid fails when the tower is closed, the failure will go undetected until the tower opens, and the failure is noticed, or until a pilot notices it and reports the failure to an ATC unit over the radio.

now all of a sudden the pilots are responsible for monitoring them ourselves.
Pilots have ALWAYS been responsible for monitoring the aids they are using!