MET products

Question 1

AIRMET
Phraseology and HMI

Answer 1

1. Read and assess
2. check validity time – if within 1 hour, you are responsible for dissemination
3. TXA below global timer AM[##] [time] [GAF area]
4. separate TXA for +15 and +45 adjacent to the above
5. make initial broadcast, and move to MET window: ALL STATIONS MELBOURNE CENTRE, AIRMET [##] VALID [time] GAF AREA [X] AVAILABLE
6. set global timer for +15 or +45, whichever comes first
7. on alarm, reset timer for the next broadcast time and make broadcast
8. on alarm, make final broadcast and brown the product in the MET window

Question 2

Amended TAF
Phraseology and HMI

Answer 2

1. read and assess
2. check validity time – broadcast on receipt and direct to all affected aircraft in continuous comms
3. TXA at affected location in 2,3,4 format – AT [location] [issue time]
4. annotate labels of aircraft requiring direct transmission AT.
5. make broadcast, combined with directed transmission – ALL STATIONS [affected location] AND [affected aircraft] MELBOURNE CENTRE, AMENDED TAF [location] ISSUED [time] AVAILABLE
6. remove dot from labels of aircraft in receipt

Question 3

SPECI
Phraseology and HMI

Answer 3

1. read and assess
2. check validity time – broadcast on receipt and direct to all affected aircraft in continuous comms within 1 hour’s flight
3. TXA at affected location in 2,3,4 format – SP [location] [issue time]
4. annotate labels of aircraft requiring direct transmission SP.
5. make broadcast, combined with directed transmission – ALL STATIONS [affected location] AND [affected aircraft] MELBOURNE CENTRE, SPECI [location] ISSUED [time] AVAILABLE
6. remove dot from labels of aircraft in receipt

Question 4

SIGMET
Phraseology and HMI

Answer 4

1. Display and assess the SIGMET.Must be disseminated to all aircraft within 2 hours flying time of the affected area
2. Create a global map using the info contained in the SIGMET. The perimeter can be defined by named locations or by lat/longs – L/L Ent button is preferred method
3. Create a TXA that simplifies the info in the SIGMET for easy reference during broadcasts
   ○ SIGMET [issue time] [weather description]
4. From here, the process is the same other met products
5. Conduct general broadcast
   a. “All stations Melbourne Centre, SIGMET [#] [brief description of weather]”
6. Assess which aircraft require directed broadcast (all aircraft within 2 hours flying time), and record them
7. Direct the info to all aircraft that require it. Make the information relevant to the aircraft, e.g. “will affect you X miles [direction] of [location]”, “expected to enter [time], and exit [time]”
8. Check all HMI and info on the screen is accurate
9. Continue to monitor the SIGMET for two hours

Question 5

Quickest way to identify if SIGMET affects your airspace?

Answer 5

Find the highest/lowest lat long, cross-reference with overhead chart, and see if it is within your airspace. If yes, begin plotting. If not, you’re all good.

Question 6

Are you required to broadcast a MET product that does not affect a location/area within your airspace?

Answer 6

No. The controller whose area of responsibility is affected by the information is responsible for its dissemination.

Question 7

HMI and phraseology for NOTAM

Answer 7

1. Read and assess
2. If reducing serviceability of facilities, TXA at location N[#] [location] [brief description]
3. Assess aircraft within 1 hour’s flight time of the location, and annotate in label with N[#].
4. make broadcast: [c/s], [c/s], [c/s], and all stations [location], NOTAM issued [time] available, [hazard description]
5. Move to NOTAM window