RNAV Approaches
Hi everyone, I was just wondering with RNAV approaches some IAF fixes have holding patterns and some don't. With the ones that don't, should you still do a sector entryor would you just manouver so as to go straight down the appraoch.
Whilst on the topic are sector entries used that often or do people generally try to avoid them. Cheers The Brown Cow |
Hi Brown cow,
In response to your questions:
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Ahh the trusty RNAV approach. Did one only this afternoon. Thank god for autopilots that can fly them for me, :}.
The Initial Waypoints are all fly by waypoints, so no sector entry required, unless you fall outside of the capture region (detailed in AIP) of the waypoint you're tracking to, which is when you'd normally ask yourself why you're tracking to that waypoint in the first place! Only time's so far I've ever had to do a sector entry or hold at one of these fixes, is during CIR renewals and other training. Cheers morno |
The Initial Waypoints are all fly by waypoints, so no sector entry required, unless you fall outside of the capture region (detailed in AIP) of the waypoint you're tracking to, which is when you'd normally ask yourself why you're tracking to that waypoint in the first place! re the Holding.... hold above the 25nm MSA, and you can orbit or do what you want really... so long as you STAY within 25NM, or above the GRID LSALT... and out of the way of traffic! |
How now Brown Cow?
Likewise I have never flown a GPS sector entry holding pattern in other than initial GPS RNAV Appr training or IR renewals. Its pretty hard to see why you would not be able to rack it round over one of the lead-in waypoints and make it to the IAF - helps if you slow down though. I figure the holding published holding pattern is there for you to "park" in if needed while waiting to have another go at the Appr after a miss, or if someone has beat you onto the approach whose *rse you might climb up if you follow them down the Appr. Dr:cool: |
Actually didn't even think of that apache. Glad we've got people on the ball, :p.
morno |
Just a quick clarification here.....are we talking about RNAV RNP5 approaches..or the PRNAV RNP1 or better approaches?
BTW are the area nav tolerances PANS OPS? or a CASA RNAV/GPS approved procedure? |
RNAV (GNSS) Haughtney.
All covered in PANSOPS. |
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