Download A-7D/E User`s Manual

RAZBAM Flight Manual - NAVY Models • A-7D & A-7E Corsair II
RAZAIR 01 45AAA 1
SYMBOLOGY
The various elements available on the HUD are explained below.
The horizon and flight path angle (pitch) lines represent the horizon and each 5
degrees of pitch angle between plus and minus 90 degrees. No less than two or
more than three lines are displayed at the same time. Positive pitch lines are solid
and above the horizon. Negative pitch lines are dashed and below the horizon.
The outer segments of the negative pitch lines point towards the horizon. Each
line is numbered except the horizon line. Negative pitch numbers are preceded
by a minus sign.
FLIGHT DIRECTOR
The flight director indicates horizontal steering error in en route navigation with
respect to the flight path marker. In en route navigation, the computer places
the flight director horizontally indicating steering error.
ALTITUDE INDICATOR AND SCALE
The barometric or radar altitude is displayed using a vertical bar indicator read
against a fixed scale on the right side of the HUD. The fixed scale represents 1,000
feet of altitude. A number is displayed at the bottom of the scale which, when
added to the bar indicator reading, indicates aircraft altitude. A minus sign precedes the number for altitudes below sea level. The pilot may select between
barometric and radar altitude by clicking on the BAR ALT/RDR ALT switch. When
in the RDR ALT position, an index mark will appear beneath the altitude number.
The altitude indicator and scales will appear on the HUD when the Scales switch
is in the SCALES position.
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HORIZON AND FLIGHTPATH ANGLE (PITCH) LINES