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Heads-Up Display Modes 35 - Metaboli

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74 Sensors<br />

This mode is particularly useful during a close-range, turning<br />

fight when you’re stuck in lag and can’t quite bring your<br />

aircraft’s nose onto the target. This mode scans a pattern along<br />

your lift vector, helping you acquire targets up to 55° offboresight.<br />

The VSD shows no useful targeting information in this mode.<br />

Refer to the Vertical Search HUD mode for additional information.<br />

BORE Auto- Acquisition<br />

Mode<br />

Guns Auto-Acquisition<br />

Mode<br />

VS Auto -Acquisition<br />

Mode<br />

4.106 Boresight (BORE) Auto-Acquisition<br />

Mode<br />

BORE mode works nearly identically to VS mode, but utilizes a<br />

smaller scan pattern aligned along the aircraft’s longitudinal<br />

axis. The pattern is only 2° wide and 2 bars tall. As with VS<br />

mode, the HUD displays the significant targeting information,<br />

not the VSD. The radar locks the target with the greatest RCS<br />

within the BORE pattern and switches to STT mode.<br />

4.107 Gun Auto-Acquisition Mode<br />

Gun mode is used in close-range dogfights. Gun mode<br />

engages the cannon and selects a fixed scan pattern, 60° wide<br />

and 20° tall. The range is set to 10 nautical miles. As with VS<br />

and BORE modes, the HUD shows the relevant information,<br />

not the VSD. The radar locks the target within the pattern with<br />

the greatest RCS and switches to STT mode.<br />

4.108 FLOOD Mode<br />

FLOOD mode is a close-range, visual dogfight mode used in conjunction with<br />

AIM-7 missiles. The radar emits energy in a continuous, 16° wide, 40° tall pattern.<br />

The azimuth and elevation indicators appear, as described for RWS mode, but the<br />

antenna position carets do not move. The range indicator is fixed at 10 nautical<br />

miles. The word FLOOD appears above the VSD.<br />

hIn FLOOD mode, all useful targeting information appears on the HUD,<br />

not the VSD.<br />

This mode does not display contacts, nor allow lock on. It “floods” the vicinity<br />

with radar waves. Any AIM-7 missile launched in FLOOD mode will track the<br />

target with the greatest RCS within the flood pattern. If the target moves outside<br />

of the HUD’s reference circle for more than 2 seconds, the missile loses lock and<br />

goes ballistic.<br />

4.2. A-10A Maverick Seekers<br />

The A-10A carries no radar or detection system other than the seeker heads in the<br />

AGM-65 Maverick missiles. The A-10A carries two versions of the Maverick, the<br />

television-guided AGM-65B and the Imaging Infrared (IIR) guided AGM-65K.<br />

The AGM-65K and AGM-65D use the same procedure to attack a target. The first

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