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<?xml version="1.0"?>
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<PropertyList >
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<name > Before Takeoff Checks</name>
<description >
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This tutorial covers the before takeoff checklist. This involves the engine checks that are made in the run-up area just prior to taxiing to the runway and taking off.
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For more information on the before takeoff checklist, see Section 2-11 of the FAA Airplane Flying Handbook available at http://www.faa.gov/library/manuals/aircraft/airplane_handbook/.
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</description>
<audio-dir > Tutorials/startup</audio-dir>
<timeofday > morning</timeofday>
<presets >
<airport-id > KLVK</airport-id>
<on-ground > 1</on-ground>
<runway > 12</runway>
<altitude-ft > -9999</altitude-ft>
<latitude-deg > 37.6946</latitude-deg>
<longitude-deg > -121.82949</longitude-deg>
<heading-deg > 80.0</heading-deg>
<airspeed-kt > 0</airspeed-kt>
<glideslope-deg > 0</glideslope-deg>
<offset-azimuth-deg > 0</offset-azimuth-deg>
<offset-distance-nm > 0</offset-distance-nm>
</presets>
<init >
<set >
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<property > /sim/model/c172p/brake-parking</property>
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<value > 1</value>
</set>
<set >
<property > /controls/flight/flaps</property>
<value > 0.0</value>
</set>
<set >
<property > /controls/switches/magnetos</property>
<value > 3</value>
</set>
<set >
<property > /controls/engines/current-engine/throttle</property>
<value > 0.07</value>
</set>
<set >
<property > /controls/switches/starter</property>
<value > true</value>
</set>
<set >
<property > /engines/active-engine/running</property>
<value > true</value>
</set>
<set >
<property > /instrumentation/adf/frequencies/selected-khz</property>
<value > 340</value>
</set>
<set >
<property > /environment/weather-scenario</property>
<value > none</value>
</set>
<set >
<property > /controls/flight/elevator-trim</property>
<value > 0.17</value>
</set>
</init>
<step >
<message > In this lesson we'll cover the pre-takeoff checks.</message>
<nasal >
<script >
# Script to simulate holding down the starter button until the engine starts
var starter = func() {
setprop("/controls/switches/starter", 1);
if (!getprop("/engines/active-engine/running")) {
settimer(starter, 0);
}
};
# The FDM resets the starter property on each FDM cycle. By effectively starting
# a number of threads to continually keep setting the starter to true, we can
# get around this and give the engine the opportunity to catch.
starter();
starter();
starter();
starter();
starter();
</script>
</nasal>
</step>
<step >
<set >
<property > /controls/switches/starter</property>
<value > false</value>
</set>
<message > You can access the pre-takeoff checklist by selecting Help-> Checklists from the menu.</message>
<wait > 10</wait>
</step>
<step >
<message > The parking brakes are already applied, so our first check is that the flight controls are free and correct.
</message>
</step>
<step >
<message > Check that moving the yoke from left to right moves the aileron in the expected manner.</message>
<view >
<heading-offset-deg > 105.2</heading-offset-deg>
<pitch-offset-deg > 1.0</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.3</x-offset-m>
<y-offset-m > 0.2</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 55.0</field-of-view>
</view>
<marker >
<x-m > 1.4000</x-m>
<y-m > -4.0000</y-m>
<z-m > 0.3000</z-m>
<scale > 41.0000</scale>
</marker>
</step>
<step >
<message > Now, check the other aileron. We're checking that the controls aren't jammed by our seatbelts etc.
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and that the aircraft has been rigged correctly.</message>
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<view >
<heading-offset-deg > -105.2</heading-offset-deg>
<pitch-offset-deg > 1.0</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.3</x-offset-m>
<y-offset-m > 0.2</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 55.0</field-of-view>
</view>
<marker >
<x-m > 1.4000</x-m>
<y-m > 4.0000</y-m>
<z-m > 0.3000</z-m>
<scale > 41.0000</scale>
</marker>
</step>
<step >
<message > Check the trim is in position</message>
<view >
<heading-offset-deg > 349.2</heading-offset-deg>
<pitch-offset-deg > -32.9</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 55.0</field-of-view>
</view>
<marker >
<x-m > -0.3129</x-m>
<y-m > -0.0422</y-m>
<z-m > -0.4427</z-m>
<scale > 4.0</scale>
</marker>
</step>
<step >
<message > Now check that the mixture is set to rich - fully in.</message>
<view >
<heading-offset-deg > 336.5</heading-offset-deg>
<pitch-offset-deg > -30.3</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 55.0</field-of-view>
</view>
<marker >
<x-m > -0.3476</x-m>
<y-m > 0.0898</y-m>
<z-m > -0.2289</z-m>
<scale > 3.6933</scale>
</marker>
<error >
<message > The mixture isn't completely in. Press m to richen the mixture to fully rich.</message>
<condition >
<less-than >
<property > /controls/engines/current-engine/mixture</property>
<value > 0.99</value>
</less-than>
</condition>
</error>
</step>
<step >
<message > Set the throttle to 1700 rpm for the engine checks.</message>
<view >
<heading-offset-deg > 8.4</heading-offset-deg>
<pitch-offset-deg > -31.3</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 34.2</field-of-view>
</view>
<marker >
<x-m > -0.3653</x-m>
<y-m > -0.3107</y-m>
<z-m > -0.1453</z-m>
<scale > 5.0000</scale>
</marker>
<error >
<message > That's a bit high. Reduce throttle to 1700 rpm with PgDn, or your joystick throttle control.</message>
<condition >
<greater-than >
<property > /engines/active-engine/rpm</property>
<value > 1800.0</value>
</greater-than>
</condition>
</error>
<error >
<message > That's too low. Increase throttle to 1700 rpm with PgUp, or your joystick throttle control.</message>
<condition >
<less-than >
<property > /engines/active-engine/rpm</property>
<value > 1600.0</value>
</less-than>
</condition>
</error>
<exit >
<condition >
<and >
<greater-than >
<property > /engines/active-engine/rpm</property>
<value > 1600</value>
</greater-than>
<less-than >
<property > /engines/active-engine/rpm</property>
<value > 1700</value>
</less-than>
</and>
</condition>
</exit>
</step>
<step >
<message > This aircraft has a vacuum pump to power some instruments, such as the attitude indicator and directional gyro.</message>
</step>
<step >
<message >
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We need to check that the vacuum system is working correct by checking the suction gauge.</message>
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<view >
<heading-offset-deg > 17.3</heading-offset-deg>
<pitch-offset-deg > -19.2</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3578</x-m>
<y-m > -0.4324</y-m>
<z-m > 0.0244</z-m>
<scale > 1.4622</scale>
</marker>
</step>
<step >
<message > Check that the engine instruments are in the green.</message>
<view >
<heading-offset-deg > 10.7</heading-offset-deg>
<pitch-offset-deg > -24.8</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3671</x-m>
<y-m > -0.4031</y-m>
<z-m > -0.0595</z-m>
<scale > 3.0</scale>
</marker>
</step>
<step >
<message > Check that the electrical system is also fine.</message>
<view >
<heading-offset-deg > 15.2</heading-offset-deg>
<pitch-offset-deg > -28.2</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3560</x-m>
<y-m > -0.4102</y-m>
<z-m > -0.1667</z-m>
<scale > 3.0000</scale>
</marker>
</step>
<step >
<message > Now we need to check that the magnetos are working correctly.</message>
<view >
<heading-offset-deg > 11.3</heading-offset-deg>
<pitch-offset-deg > -34.3</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3671</x-m>
<y-m > -0.4142</y-m>
<z-m > -0.2502</z-m>
<scale > 2.3067</scale>
</marker>
<set >
<property > /sim/panel-hotspots</property>
<value > true</value>
</set>
</step>
<step >
<message > Click the left hotspot twice, to switch to the right magneto, or use your mouse scrollwheel.
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There should be a small drop in the tachometer.</message>
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<view >
<heading-offset-deg > 11.3</heading-offset-deg>
<pitch-offset-deg > -34.3</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3511</x-m>
<y-m > -0.3107</y-m>
<z-m > -0.1360</z-m>
<scale > 3.0</scale>
</marker>
<error >
<message > Click the left hotspot twice so the key is set to RIGHT.</message>
<condition >
<not-equals >
<property > /controls/switches/magnetos</property>
<value > 1</value>
</not-equals>
</condition>
</error>
<exit >
<condition >
<equals >
<property > /controls/switches/magnetos</property>
<value > 1</value>
</equals>
</condition>
</exit>
</step>
<step >
<message > Click the middle hotspot twice, to switch back to both magnetos.
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The tachometer should recover back to 1700rpm.</message>
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<view >
<heading-offset-deg > 11.3</heading-offset-deg>
<pitch-offset-deg > -34.3</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3511</x-m>
<y-m > -0.3107</y-m>
<z-m > -0.1360</z-m>
<scale > 3.0</scale>
</marker>
<error >
<message > Click the left hotspot twice, so the key is set to BOTH.</message>
<condition >
<not-equals >
<property > /controls/switches/magnetos</property>
<value > 3</value>
</not-equals>
</condition>
</error>
<exit >
<condition >
<equals >
<property > /controls/switches/magnetos</property>
<value > 3</value>
</equals>
</condition>
</exit>
</step>
<step >
<message > Now we'll check the left magneto. Click the left hotspot, to switch to the left magneto.
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Again, there should be a small drop in the tachometer.</message>
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<view >
<heading-offset-deg > 11.3</heading-offset-deg>
<pitch-offset-deg > -34.3</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3511</x-m>
<y-m > -0.3107</y-m>
<z-m > -0.1360</z-m>
<scale > 3.0</scale>
</marker>
<error >
<message > Click the left hotspot so the key is set to LEFT.</message>
<condition >
<not-equals >
<property > /controls/switches/magnetos</property>
<value > 2</value>
</not-equals>
</condition>
</error>
<exit >
<condition >
<equals >
<property > /controls/switches/magnetos</property>
<value > 2</value>
</equals>
</condition>
</exit>
</step>
<step >
<message > Click the middle hotspot, to switch back to both magnetos.
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The tachometer should recover back to 1700rpm.</message>
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<view >
<heading-offset-deg > 11.3</heading-offset-deg>
<pitch-offset-deg > -34.3</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3511</x-m>
<y-m > -0.3107</y-m>
<z-m > -0.1360</z-m>
<scale > 3.0</scale>
</marker>
<error >
<message > Click the left hotspot so the key is set to BOTH.</message>
<condition >
<not-equals >
<property > /controls/switches/magnetos</property>
<value > 3</value>
</not-equals>
</condition>
</error>
<exit >
<condition >
<equals >
<property > /controls/switches/magnetos</property>
<value > 3</value>
</equals>
</condition>
</exit>
</step>
<!-- We should now check for carb heat, but we don't have that modeled yet -->
<step >
<message > Set the throttle back to between 800 and 1000 rpm.</message>
<set >
<property > /sim/panel-hotspots</property>
<value > false</value>
</set>
<view >
<heading-offset-deg > 11.3</heading-offset-deg>
<pitch-offset-deg > -34.3</pitch-offset-deg>
<roll-offset-deg > 0.0</roll-offset-deg>
<x-offset-m > -0.2</x-offset-m>
<y-offset-m > 0.3</y-offset-m>
<z-offset-m > 0.4</z-offset-m>
<field-of-view > 23.2</field-of-view>
</view>
<marker >
<x-m > -0.3511</x-m>
<y-m > -0.3107</y-m>
<z-m > -0.1360</z-m>
<scale > 3.0</scale>
</marker>
<error >
<message > That's a bit high. Reduce throttle slightly with PgDn, or your joystick throttle control.</message>
<condition >
<greater-than >
<property > /engines/active-engine/rpm</property>
<value > 1000.0</value>
</greater-than>
</condition>
</error>
<error >
<message > That's too low. Increase throttle slightly with PgUp, or your joystick throttle control.</message>
<condition >
<less-than >
<property > /engines/active-engine/rpm</property>
<value > 800.0</value>
</less-than>
</condition>
</error>
<exit >
<condition >
<and >
<greater-than >
<property > /engines/active-engine/rpm</property>
<value > 800</value>
</greater-than>
<less-than >
<property > /engines/active-engine/rpm</property>
<value > 1000</value>
</less-than>
</and>
</condition>
</exit>
</step>
<end >
<message > Our pre-takeoff checks are now complete. We're ready to fly.</message>
</end>
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</PropertyList>
