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Guest RiddlePilot
Posted

We discussed FMS and RNAV procedures in Flight Nav class the other day. On these procedures, like the POPPR ONE RNAV departure from LAX there is a fly-over waypoint when taking off from the northern set of runways before turning left to the SE to join the departure, in order to keep from running over departures from the southside runways on the same DP. My question...by default, the FMC has turn anticipation active, so how do you set it up to fly over a waypoint before turning?Randy, where are ya? I ICQed you on this one.

Guest MB327
Posted

My way!Sounds like the LAXX3 where the first waypoint is given as a DME from the VOR. The way I handle it in PIC is the same as I do the LOGAN2 out of Boston (and a few others as well). Plug the VOR in on the FIX page and enter the /distance to draw a ring. I set the heading bug on departure to the outbound heading from the initial fix. Then either hand fly to the edge of the green ring before engaging the AP and going heading select, or engage the AP early and stay in heading HLD till passing the ring, or turn on the outbound heading by hand and then engage the AP. This could also be done by creating the fix on the legs page but the FIX page just looks so pretty! LOL

Guest MB327
Posted

Ahh, you edited your question "like the POPPR ONE RNAV departure" now the answer is a bit different. If you need to fly this purely RNAV then you just about have to enter a second fix just beyond the fix you are concerned about over flying. The distance depends on the degree of turn and your airspeed out of the initial fix. For PIC, I would enter the fix 1 to 2 miles beyond and let the big dog eat.

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