Step 2
Panning your in-cockpit view using the number pad keys, you can place the HMCS reticule over a
target and press the [Enter] key. Alternatively, you can first padlock the target with the
[NumPadDel] key and then activate SHLEM mode and press the [Enter] key. After locking the
target, STT mode will automatically be initiated.
Step 3
Depending on the form of the reticule, you can determine three conditions:
The reticule is attached to the target – you have a good target lock but not ready to launch a
weapon.
The reticule is attached to the target and it blinks with the frequency of 2 Hz – launch is authorized.
This means that conditions for the missile launch have been met. The "ПР" (LA) message will be
displayed on the HUD and you can launch a missile by pressing the weapon release button on your
joystick or by pressing the [Space] key on your keyboard. You should press and hold the weapon
launch button for at least 1 sec until the missile launches.
If the reticule has an "X" through it, it indicates that launch is not permitted, and a lock on is not
possible. This will be seen when the HMCS reticule is beyond the permitted designation angles.
To increase the probability of kill, try to minimize your aiming error by flying a collision course with
the target prior to missile launch. This will reduce the amount of G the missile must pull at launch.
Fi0 (Longitudinal) Mode
Longitudinal mode is a reserve mode in case the WCS fails. This mode is used for the infrared-guided
(R-27T, R-27ET, R-73) missiles, which able to lock on the target without help of the aircraft’s WCS. In
this mode, target lock is aided only by the missile’s onboard seeker, which has the scan zone of
about two degrees in the longitudinal axis. For the seeker to lock a target, the target must enter the
scan zone of the seeker, which is in the center of the aircraft symbol on the HUD.
The lock and launch steps are as follows:
Step 1
When you detect an air target visually, activate longitudinal mode by pressing the [6] key. If the
WCS system is damaged and there is no indication on the HUD, switch to the SETKA (Reticle) mode.
Select the desired missile by cycling the [D] key or select the internal gun by pressing the [C] key.
Step 2
Maneuver the aircraft to position the center of the HUD aircraft symbol over the chosen target. When
the target is in the missile seeker’s field of view, the "launch authorized" sound tone will be given.
Step 3
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