<?xml version="1.0" encoding="UTF-8"?>
<openChecklist version="1.0">
  <title>Yakovlev Yak 52 — yak52_fltrep52</title>
  <contentHash>0f28b1a9f2d5130aba7a6dcd55653cced8366193b967dd41ac34fcfede2fdddb</contentHash>
  <aircraft make="Yakovlev" model="Yak 52" variant="" category="standard_normal"/>
  <verification sourceFidelity="unreviewed" operationalReview="none" completeness="full"/>
  <rights status="licensed" license=""/>
  <knownIssue severity="content_gap">Section "Circuit and Approach" item count differs between passes (5 vs 4); verify nothing was dropped.</knownIssue>
  <knownIssue severity="content_gap">Section "Engine Start" item count differs between passes (3 vs 4); verify nothing was dropped.</knownIssue>
  <knownIssue severity="content_gap">Section "Landing" item count differs between passes (4 vs 3); verify nothing was dropped.</knownIssue>
  <sections>
    <section id="" phase="preflight_inspection" criticality="normal">
      <title>Cockpit Entry</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Climb onto wing using knee, then other leg, while holding canopy rail</text>
      </item>
      <item type="challenge" index="1" tickable="true" memoryItem="false" indent="0">
        <text>Walk only on anti-skid strip adjacent to fuselage</text>
      </item>
    </section>
    <section id="" phase="before_start" criticality="normal">
      <title>Before Start</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Check front cockpit wall chart for priming duration</text>
      </item>
      <item type="challenge" index="1" tickable="true" memoryItem="false" indent="0">
        <text>Check air reservoir pressure</text>
      </item>
      <item type="note" index="2" tickable="false" memoryItem="false" indent="0">
        <text>Air reservoir is good for 12 start attempts before re-charging.</text>
      </item>
    </section>
    <section id="" phase="engine_start" criticality="normal">
      <title>Engine Start</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Start using pneumatic system</text>
      </item>
      <item type="note" index="1" tickable="false" memoryItem="false" indent="0">
        <text>Starting procedure varies with outside air temperature, time since last run, and oil dilution.</text>
      </item>
      <item type="note" index="2" tickable="false" memoryItem="false" indent="0">
        <text>When warm, the Ivchenko starts with the simplicity of a typical Continental or Lycoming.</text>
      </item>
    </section>
    <section id="" phase="after_start" criticality="normal">
      <title>After Start</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Check compressor re-charges air bottle after start</text>
      </item>
    </section>
    <section id="" phase="taxi" criticality="normal">
      <title>Taxi</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Use rudder bars for gentle turns</text>
      </item>
      <item type="challenge" index="1" tickable="true" memoryItem="false" indent="0">
        <text>Use burst of power to energize rudder when needed</text>
      </item>
      <item type="challenge" index="2" tickable="true" memoryItem="false" indent="0">
        <text>For tighter turns, use full rudder plus stick-mounted brake lever for differential braking</text>
      </item>
      <item type="note" index="3" tickable="false" memoryItem="false" indent="0">
        <text>With rudders neutral, braking is equal to both main wheels.</text>
      </item>
      <item type="caution" index="4" tickable="false" memoryItem="false" indent="0">
        <text>Take care not to reach excessive taxi speed; allow engine temperature to stabilize.</text>
      </item>
    </section>
    <section id="" phase="before_takeoff" criticality="normal">
      <title>Engine Run-Up and Vital Actions</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Magnetos check</text>
      </item>
      <item type="challenge" index="1" tickable="true" memoryItem="false" indent="0">
        <text>Exercise RPM control to verify propeller governor operation</text>
      </item>
      <item type="challenge" index="2" tickable="true" memoryItem="false" indent="0">
        <text>Complete pre-takeoff vital actions using checklist</text>
      </item>
      <item type="note" index="3" tickable="false" memoryItem="false" indent="0">
        <text>Max power (ceaseless engine function duration) is 5 minutes.</text>
      </item>
      <item type="note" index="4" tickable="false" memoryItem="false" indent="0">
        <text>Throttle-engine lag (racing capacity) is 3 seconds max.</text>
      </item>
      <item type="note" index="5" tickable="false" memoryItem="false" indent="0">
        <text>Max overspeed when operating throttle rapidly is 109 per cent.</text>
      </item>
      <item type="note" index="6" tickable="false" memoryItem="false" indent="0">
        <text>Maximum allowed airspeed in level flight is conditioned by avoidance of sudden spin: 130 km/h normal flight, 170 km/h inverted. Author suspects max/min are reversed.</text>
      </item>
      <item type="caution" index="7" tickable="false" memoryItem="false" indent="0">
        <text>Aerobatics forbidden with less than 4.5 gallons of fuel remaining.</text>
      </item>
    </section>
    <section id="" phase="takeoff" criticality="normal">
      <title>Takeoff</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Apply full throttle</text>
      </item>
      <item type="challenge" index="1" tickable="true" memoryItem="false" indent="0">
        <text>Expect to push on the 'wrong' foot due to engine rotation direction</text>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0">
        <text>Rotate</text>
        <response>120 km/h (65 kt)</response>
      </item>
      <item type="note" index="3" tickable="false" memoryItem="false" indent="0">
        <text>Take-off roll in ISA conditions is 590 ft at maximum weight.</text>
      </item>
    </section>
    <section id="" phase="after_takeoff" criticality="normal">
      <title>After Takeoff</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Raise gear</text>
        <response>BELOW 200 km/h (108 kt)</response>
      </item>
      <item type="challenge" index="1" tickable="true" memoryItem="false" indent="0">
        <text>After selecting gear up, hold lever until 'three reds', then return lever to neutral</text>
      </item>
    </section>
    <section id="" phase="approach" criticality="normal">
      <title>Circuit and Approach</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Lower gear</text>
        <response>AT 200 km/h (108 kt)</response>
      </item>
      <item type="challenge" index="1" tickable="true" memoryItem="false" indent="0">
        <text>After selecting gear down, hold lever until 'three greens', then return lever to neutral</text>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0">
        <text>Extend flaps</text>
        <response>AT/OR BELOW 170 km/h (92 kt)</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0">
        <text>Fly approach</text>
        <response>170 km/h (92 kt) slowing to 120 km/h (65 kt) at threshold</response>
      </item>
      <item type="note" index="4" tickable="false" memoryItem="false" indent="0">
        <text>Without flaps, forward view from rear seat is virtually nil; a curved approach is needed.</text>
      </item>
    </section>
    <section id="" phase="landing" criticality="normal">
      <title>Landing</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Keep the canopy lock pin in place in the rail hole</text>
      </item>
      <item type="challenge" index="1" tickable="true" memoryItem="false" indent="0">
        <text>Lower nose after touchdown</text>
      </item>
      <item type="note" index="2" tickable="false" memoryItem="false" indent="0">
        <text>High wing-loading means no tendency to float.</text>
      </item>
      <item type="note" index="3" tickable="false" memoryItem="false" indent="0">
        <text>With practice, landing roll can be as short as 300 m (985 ft).</text>
      </item>
    </section>
    <section id="" phase="forced_landing" criticality="normal">
      <title>Forced Landing</title>
      <item type="challenge" index="0" tickable="true" memoryItem="false" indent="0">
        <text>Leave gear retracted for dead-stick landing</text>
      </item>
      <item type="note" index="1" tickable="false" memoryItem="false" indent="0">
        <text>Standard drill is to leave gear retracted to flatten the descent profile.</text>
      </item>
      <item type="note" index="2" tickable="false" memoryItem="false" indent="0">
        <text>Brakes remain usable with gear up.</text>
      </item>
      <item type="note" index="3" tickable="false" memoryItem="false" indent="0">
        <text>With gear up, the undercarriage remains partially exposed to minimize damage in a wheels-up landing.</text>
      </item>
    </section>
    <section id="" phase="reference" criticality="normal">
      <title>Reference</title>
      <item type="note" index="0" tickable="false" memoryItem="false" indent="0">
        <text>Performance: climb to 3,000 ft in 98 seconds; cruise 140-145 kt at 75 per cent power; fuel burn just over 13 US gal/hr at 140 kt cruise.</text>
      </item>
      <item type="note" index="1" tickable="false" memoryItem="false" indent="0">
        <text>Endurance in excess of 2 hours with 45 minutes reserve; maximum range 275 nm at slightly reduced cruise speed.</text>
      </item>
      <item type="note" index="2" tickable="false" memoryItem="false" indent="0">
        <text>G limits: unlimited aerobatics certified at max takeoff weight 1,305 kg.</text>
      </item>
      <item type="note" index="3" tickable="false" memoryItem="false" indent="0">
        <text>Engine: Ivchenko M-14P 9-cylinder radial, 360 hp.</text>
      </item>
      <item type="note" index="4" tickable="false" memoryItem="false" indent="0">
        <text>Pneumatic system used for engine starting, flaps, gear, and brakes.</text>
      </item>
      <item type="note" index="5" tickable="false" memoryItem="false" indent="0">
        <text>RPM gauge is calibrated in percent of maximum rather than RPM.</text>
      </item>
      <item type="note" index="6" tickable="false" memoryItem="false" indent="0">
        <text>Artificial horizon is inverted in presentation: top half of ball is brown, bottom half is blue.</text>
      </item>
      <item type="note" index="7" tickable="false" memoryItem="false" indent="0">
        <text>Rear cockpit has controls to deliberately fail certain systems in the front cockpit.</text>
      </item>
      <item type="note" index="8" tickable="false" memoryItem="false" indent="0">
        <text>Gear lever is pneumatic and returns to central neutral position when not required.</text>
      </item>
      <item type="note" index="9" tickable="false" memoryItem="false" indent="0">
        <text>Brakes are operated by a stick-mounted lever; pneumatic brake noise resembles a bus/lorry stopping.</text>
      </item>
    </section>
  </sections>
</openChecklist>
