Deletion of the RTA waypoint does not remove the waypoint from the flight plan.
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Flight Management, Navigation -FMC Takeoff and Climb 737 Flight Crew Operations Manual
Automatically clears the RTA waypoint and exits the RTA waypoint after sequencing the RTA waypoint out of the flight plan.
Recommended Takeoff Time (RECMD T/O)
Displays the recommended takeoff time to meet the planned RTA.
Time is based on entered Cost Index as well as the earliest and latest times to achieve RTA.
Distance To, Altitude, and ETA at the RTA Waypoint
(DIST – – TO XXX – –ALT/ ETA)
Displays the distance to the RTA waypoint.
Displays the predicted altitude at the RTA waypoint.
Displays ETA at the RTA waypoint based on:
.
immediate takeoff
.
MIN/MAX speeds on PERF LIMITS page
.
entered forecast winds.
Required Time of Arrival (RTA)
After RTA waypoint entry, initially displays current ETA based on the active flight
plan and performance parameters at time of waypoint entry.
Desired RTA may be entered by overwriting displayed data.
Entry must be in one of the following forms:
.
XXXXXX (hr/min/sec)
.
XXXX (hr/min)
.
XXXX.X (hr/min/tenths of min). Entry of “A” after RTA specifies arrival time of at or after. Entry of “B” after RTA specifies arrival time of at or before.
TIME ERROR
Displays the most recent time error in minutes and seconds up to a maximum of
59:59 minutes.
Displays ON TIME if GMT is within current T/O WINDOW.
Displays EARLY or LATE as appropriate if GMT is not within current T/O
WINDOW.
GMT
Displays the actual GMT.
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11.41.20 March 28, 2005
Flight Management, Navigation -FMC Takeoff and Climb 737 Flight Crew Operations Manual
Takeoff Window (– – – – – – – T/O WINDOW – – – LAST) or (FIRST – – T/O WINDOW – – – – – – –)
Displays earliest and latest takeoff times to meet the planned RTA.
If the entered RTA time is an “At or After” time, only the FIRST field shall be
displayed.
If the entered RTA time is an “At or Before” time, only the LAST field shall be
displayed.
Times are based on minimum and maximum speeds on the PERF LIMITS page.
Required Time of Arrival Speed (RTA SPD)
Displays the target speed required to meet the planned RTA.
Same as speed displayed on RTA CLB, CRZ, or DES page.
Limited by MIN/MAX speeds on the PERF LIMITS page and the SPD REST line.
During cruise, displays XXX/HOLD when decelerating to hold speed prior to
hold entry fix.
Speed Restriction (SPD REST)
Displays the current speed restriction affecting RTA progress.
When not in cruise, displays XXX/HOLD when decelerating to hold speed prior to hold entry fix.
Arrival Time Window (FIRST – – RTA WINDOW – – – LAST)
Displays earliest and latest achievable arrival times at the RTA waypoint. Times based on MIN/MAX speeds on PERF LIMITS page, existing winds, and entered forecast winds.
LIMITS
Push – displays PERF LIMITS page.
TIME ERROR
In flight, displays difference between the ETA and the RTA plus the TIME ERROR TOLERANCE on the PERF LIMITS page.
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Flight Management, Navigation -FMC Takeoff and Climb 737 Flight Crew Operations Manual
Progress Page 3/3 YA721 - YA809 (SB changes YA613 - YA687, YC153 - YC413)
The progress page 3/3 displays wind, track, path, temperature, and speed data.
YA721, YA722
Copyright . The Boeing Company. See title page for details.
11.41.22 June 1, 2005
Flight Management, Navigation -FMC Takeoff and Climb 737 Flight Crew Operations Manual
YA686, YA687, YC153, YC154
YA613, YA626, YA801 - YA809, YC411, YC413
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June 1, 2005 11.41.23
Flight Management, Navigation -FMC Takeoff and Climb 737 Flight Crew Operations Manual
HEADWIND or TAILWIND
Displays the present headwind or tailwind component.
WIND
Displays the present true wind direction/speed.
Crosstrack Error (XTK ERROR)
YA721, YA722
Displays present cross–track error from the lateral guidance path.
YA613 - YA687, YA801 - YC413
Displays present cross–track error from the desired LNAV course.
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