737 Flight Crew Operations Manual
Flight Instruments, Displays -
Head-Up Display System,
Symbology
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 10.42.5
SYMBOL NAME MODE REMARKS
Speed error tape PRI in
flight,
AIII
approach,
IMC,
VMC
Displays the difference
between indicated airspeed
and the reference speed
selected on the mode control
panel.
Tape length equal to the
diameter of the flight path
circle represents
approximately 5 knots of error.
Maximum tape length is
limited to 15 knots of error.
Bank warning PRI in
flight,
AIII
approach,
IMC,
VMC
Displayed if radio altitude is
less than 100 feet and airplane
roll angle exceeds 5 °. Symbol
remains until roll angle is less
than 3 ° or radio altitude
greater than 100 feet.
Tail strike pitch
limit
PRI
ground
Tail strike occurs if this
symbol meets the aircraft
reference symbol.
Displayed if the airplane pitch
angle approaches the tail strike
angle or the pitch rate is too
excessive during takeoff
rotation, below 10 feet AGL.
Unusual attitude PRI in
flight,
AIII
approach,
IMC,
VMC
Automatically displayed when
pitch exceeds -20°/+35° or roll
exceeds 55°.
March 27, 2014