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Training Syllabus content has been updated:
<h2>Update By:</h2>
Noss, John
<h2>Description of Changes</h2>
<h2>Old Content</h2>
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<h1>Lesson 4c - Minimum Sink</h1>
<h2>Lesson Objective</h2>
<p>The lesson will learn the minimum sink speeds, how they relate to bank angle, and the importance of using the correct minimum sink speeds.</p>
<h2>Regulatory Requirement</h2>
<ul>
<li><strong>Pre-Solo:</strong> 14 CFR <a href="http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&sid=389e6e836f725e72e90b07fe197b2326&rgn=div8&view=text&node=14:2.0.1.1.2.3.1.4&idno=14" target="_blank" rel="noopener">§61.87(i)(8)</a></li>
<li><strong>Private Pilot Candidate:</strong> <a href="https://www.faa.gov/training_testing/testing/test_standards##Pilots" target="_blank" rel="noopener">PTS</a> V(A)</li>
</ul>
<h2>Content</h2>
<ul>
<li>Minimum sink speed for each club aircraft</li>
<li>Minimum sink speed for differing bank angles</li>
<li>Glide ratio at minimum sink. Compare with glide ratio at Max L/D</li>
<li>Minimum sink speed at the minimum pilot weight (solo) and at the glider's maximum gross weight</li>
</ul>
<h2>Completion Standards</h2>
<p>The student must be able to perform:</p>
<ul>
<li>Straight and Level flight at minimum sink speed</li>
<li>30° bank turns at minimum sink speed.</li>
<li>45° bank turns at minimum sink speed.</li>
</ul>
<p>The student must be able to explain:</p>
<ul>
<li>The effect of bank angle to minimum sink speed.</li>
<li>The effect of aircraft loading to minimum sink speed.</li>
</ul>
<h2>Prerequisite Study</h2>
<ul>
<li><a href="https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/glider_handbook/" target="_blank" rel="noopener">Glider Flying Handbook (2013)</a>, <a href="https://www.faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/glider_handbook/gfh_ch07.pdf" target="_blank" rel="noopener">Chapter 7</a>, "Minimum Sink Airspeed" Page 7-36</li>
<li><a href="https://www.skylinesoaring.org/documents/club-documents#h.2t8kl5o44adr" target="_blank" rel="noopener">SSC Cockpit Cards</a></li>
</ul>
</table>
<h2>New Content</h2>
<table border="1" bgcolor="#e8e8e8">
<h1>Lesson 4c - Minimum Sink</h1>
<h2>Lesson Objective</h2>
<p>The lesson will learn the minimum sink speeds, how they relate to bank angle, and the importance of using the correct minimum sink speeds.</p>
<h2>Regulatory Requirement</h2>
<ul>
<li><strong>Pre-Solo:</strong> 14 CFR <a href="http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&sid=389e6e836f725e72e90b07fe197b2326&rgn=div8&view=text&node=14:2.0.1.1.2.3.1.4&idno=14" target="_blank" rel="noopener">§61.87(i)(8)</a></li>
<li><strong>Private Pilot Candidate:</strong> <a href="https://www.faa.gov/training_testing/testing/test_standards##Pilots" target="_blank" rel="noopener">PTS</a> V(A)</li>
</ul>
<h2>Content</h2>
<ul>
<li>Minimum sink speed for each club aircraft</li>
<li>Minimum sink speed for differing bank angles</li>
<li>Glide ratio at minimum sink. Compare with glide ratio at Max L/D</li>
<li>Minimum sink speed at the minimum pilot weight (solo) and at the glider's maximum gross weight</li>
</ul>
<h2>Completion Standards</h2>
<p>The student must be able to perform:</p>
<ul>
<li>Straight and Level flight at minimum sink speed</li>
<li>30° bank turns at minimum sink speed.</li>
<li>45° bank turns at minimum sink speed.</li>
</ul>
<p>The student must be able to explain:</p>
<ul>
<li>The effect of bank angle to minimum sink speed.</li>
<li>The effect of aircraft loading to minimum sink speed.</li>
</ul>
<h2>Prerequisite Study</h2>
<ul>
<li><a href="https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/glider_handbook/" target="_blank" rel="noopener">Glider Flying Handbook (2024)</a>, <a href="https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/glider_handbook/gfh_chapter_5.pdf" target="_blank" rel="noopener">Chapter 5</a>, <em>"Glider Polars"</em> Page 5-10</li>
<li><a href="https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/glider_handbook/" target="_blank" rel="noopener">Glider Flying Handbook (2024)</a>, <a href="https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/glider_handbook/gfh_chapter_7.pdf" target="_blank" rel="noopener">Chapter 7</a>, <em>"Thermalling Speed"</em> Page 10-7</li>
<li><a href="https://www.skylinesoaring.org/documents/club-documents#h.2t8kl5o44adr" target="_blank" rel="noopener">SSC Cockpit Cards</a></li>
</ul>
</table>
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