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Delta Virtual Airlines Water Cooler | PC Support | FMC/RNAV Question
DVA6776
Captain, B757-200
OLP

Joined on December 22 2008
Century Club
Online Century Club
DVA Fifteen-Year Anniversary

"Atlanta, here I come"
Indianapolis, IN USA

169 legs, 338.2 hours
159 legs, 322.5 hours online
161 legs, 323.7 hours ACARS
31 legs, 65.1 hours event
Posted onPost created on May 10 2011 12:59 ET by Ruben Schuckit
I've become more interested in RNAV approaches recently and I just have a few question about them.

1) Since there is no glide slope, when is the best time to take the plane out of autopilot? I usually just VNAV my way down across the waypoints with their specific altitude, etc.

2) This bring me to my next question pertaining to VNAV. Since VNAV does not only control decent, but speed, I'm having trouble getting my plane (757) to just take a number and fly it. For example, If I suddenly want/need to slow to around 280 knots I go into the VNAV part of the FMC and enter whatever altitude I just descended through and the speed. I set my speed via altitude/speed restrictions. Is there an easier way?

Ruben

Ruben Schuckit

Captain, B757-200
DVA1416
Captain, B747-400

Joined on December 06 2003
50 State Club
Globetrotter
Quad-Jet Quartermaster
Everett 500 Club
Million Mile Club
Yellow Bird Club
Millennium Club
DVA Twenty-Year Anniversary

"Keep the blue side up!"
Rotterdam, Zuid-Holland Netherlands

1,023 legs, 3,023.7 hours
43 legs, 103.4 hours online
946 legs, 2,737.1 hours ACARS
Posted onPost created on May 10 2011 14:18 ET by Luc Maaskant
Hey Ruben,

When you push the speed knob you can enter a number yourself. Once you push it again, the FMC will take over again.

Luc

Luc Maaskant

Captain, B747-400
DVA6776
Captain, B757-200
OLP

Joined on December 22 2008
Century Club
Online Century Club
DVA Fifteen-Year Anniversary

"Atlanta, here I come"
Indianapolis, IN USA

169 legs, 338.2 hours
159 legs, 322.5 hours online
161 legs, 323.7 hours ACARS
31 legs, 65.1 hours event
Posted onPost created on May 10 2011 15:26 ET by Ruben Schuckit
Thanks! I meant to post this in pilot questions too.

Ruben Schuckit

Captain, B757-200


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