restriction.
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.
During cruise, displays XXX/HOLD when decelerating to hold speed prior to
hold entry fix.

Arrival Time Window (FIRST – – RTA WINDOW – – – LAST)
Displays earliest (FIRST) and latest (LAST) 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
Displays the difference between the ETA and the RTA plus the TIME ERROR TOLERANCE on the PERF LIMITS page.
Progress Page 2 or 3
The last progress page displays wind, track, path, temperature, and speed data.
Copyright . The Boeing Company. See title page for details.
11.41.20  December 1, 2000

Flight Management, Navigation -FMC Takeoff and Climb 737 Operations Manual

HEADWIND/TAILWIND
Displays the present headwind or tailwind component.

WIND
Displays the present true wind direction/speed.

Crosstrack Error (XTK ERROR)
Displays present cross–track error (left or right) from the lateral guidance path.
Blank if error is greater than 99.9 nm.

Flight Management, Navigation -FMC Takeoff and Climb 737 Operations Manual

CROSSWIND
Displays present crosswind component (left or right).

Static Air Temperature/ISA Deviation (SAT/ISA DEV)
Displays present SAT and the equivalent ISA deviation.

Vertical Deviation (VERT DEV)
Displays present computed deviation (HI or LO) from the FMC vertical path.
Blank if descent is not active or path is not available.

True Airspeed (TAS)
Displays present TAS.
Copyright . The Boeing Company. See title page for details.
11.41.22  December 1, 2000

Flight Management, Navigation -FMC Takeoff and Climb 737 Operations Manual
Limit Page N1 Limit Page
For U10 airplanes, this section describes the in-flight version of the N1 LIMIT
page. See the FMC Preflight section for a description of the preflight version of
the N1 LIMIT page. For airplanes prior to U10, this section describes the only N1
LIMIT page available.

The N1 LIMIT page provides thrust limit and reduced climb thrust selection. On

some airplanes, thrust reduction altitude selection is also available.
Normally, N1 limits are automatically specified. Pilot selection of other limits is
allowed.

Pilot selection of a reduced climb mode does not change the automatic selection

for other phases of flight.
A pilot selected mode is automatically replaced by AUTO selection when the
autopilot changes to the next vertical mode.

The active thrust limit is used by the autothrottle and is displayed on the thrust
mode display.

Flight Management, Navigation -FMC Takeoff and Climb 737 Operations Manual

Automatic (AUTO)
Push – selects the automatic computation of N1 limits for all phases of flight.

Go–Around (GA)
Push – selects the go–around thrust limit.

Continuous (CON)
Push – selects the maximum continuous thrust limit.

Climb (CLB)
Push – changes the thrust mode from AUTO to the active climb thrust, i.e. CLB, CLB-1, or CLB-2.

Cruise (CRZ)
Push – selects the cruise thrust limit.

Reduced Climb (REDUCED–CLB)
Push – selects either of two reduced climb thrust modes.
CLB–1 provides a climb limit reduced by 3% N1.
CLB–2 provides a climb limit reduced by 6% N1.
The reduced climb N1 value is displayed on the CLB pages.
If either mode is <SEL>, deletion allows return to full rated climb thrust.
Any reduced climb selection is automatically deleted above 15,000 feet.

Note:  If a reduced thrust takeoff has been specified on the TAKEOFF REF page, then either CLB–1 or CLB–2 may be automatically specified if required to avoid a climb N1 value greater than the RED–TO N1.

Active Status Label (<ACT>)
Identifies the active N1 thrust limit.

N1
Displays the N1 for individual thrust limits based on present conditions and bleed

air configuration.
If CLB–1 or CLB–2 is selected, the N1% for CLB and the N1 cursors still display
values for full rated climb.

Copyright . The Boeing Company. See title page for details.
11.41.24   June 8, 2001

Flight Management, Navigation -FMC Takeoff and Climb 737 Operations Manual

Thrust Reduction Altitude (T/R ALT)
　
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