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<p>
<strong>TC3</strong> stands for <strong>Traffic Conference Area 3</strong> in the IATA global geography system.
It covers most of <strong>Asia and the Asia-Pacific region</strong> and forms a major part of the
<strong>Eastern Hemisphere</strong>.
</p>
<p class="note">
In fare construction, baggage rules, and global indicators, “within TC3” or
“between TC2 and TC3” refers to this geographic area.
</p>
</header>
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<section class="grid">
<article class="card half">
<h2>What TC3 Covers</h2>
<ul>
<li>East Asia</li>
<li>South Asia</li>
<li>Southeast Asia</li>
<li>Central Asia</li>
<li>Australia & Oceania</li>
<li>Eastern part of Russia (east of the Ural Mountains)</li>
</ul>
</article>
<article class="card half">
<h2>Why TC3 Is Important</h2>
<ul>
<li>Includes major global aviation hubs (Tokyo, Singapore, Hong Kong, Sydney)</li>
<li>Strong long-haul traffic to/from Europe (TC2) and Americas (TC1)</li>
<li>Critical for round-the-world and intercontinental fare construction</li>
<li>Frequently referenced in mileage and routing rules</li>
</ul>
</article>
<article class="card">
<h2>TC3 Sub-Areas (Professional Breakdown)</h2>
<table>
<thead>
<tr>
<th style="width:30%">Sub-Area</th>
<th style="width:70%">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Japan / Korea</strong></td>
<td>Japan and South Korea (often treated separately in fare rules).</td>
</tr>
<tr>
<td><strong>South East Asia</strong></td>
<td>Thailand, Malaysia, Singapore, Indonesia, Vietnam, Philippines, etc.</td>
</tr>
<tr>
<td><strong>South Asian Subcontinent</strong></td>
<td>India, Pakistan, Bangladesh, Sri Lanka, Nepal, Bhutan, Maldives.</td>
</tr>
<tr>
<td><strong>Central Asia</strong></td>
<td>Kazakhstan, Uzbekistan, Kyrgyzstan, Tajikistan, Turkmenistan.</td>
</tr>
<tr>
<td><strong>South West Pacific</strong></td>
<td>Australia, New Zealand, and Pacific island nations.</td>
</tr>
</tbody>
</table>
</article>
<article class="card">
<h2>Complete List of Sovereign Countries in TC3</h2>
<h3>East & Southeast Asia</h3>
<ul>
<li>China</li>
<li>Japan</li>
<li>South Korea</li>
<li>North Korea</li>
<li>Mongolia</li>
<li>Thailand</li>
<li>Vietnam</li>
<li>Malaysia</li>
<li>Singapore</li>
<li>Indonesia</li>
<li>Philippines</li>
<li>Cambodia</li>
<li>Laos</li>
<li>Myanmar</li>
<li>Brunei</li>
<li>Timor-Leste</li>
</ul>
<h3>South Asia</h3>
<ul>
<li>India</li>
<li>Pakistan</li>
<li>Bangladesh</li>
<li>Sri Lanka</li>
<li>Nepal</li>
<li>Bhutan</li>
<li>Maldives</li>
</ul>
<h3>Central Asia</h3>
<ul>
<li>Kazakhstan</li>
<li>Uzbekistan</li>
<li>Kyrgyzstan</li>
<li>Tajikistan</li>
<li>Turkmenistan</li>
</ul>
<h3>Middle East (Eastern Classification Overlap in Some Systems)</h3>
<ul>
<li>Afghanistan</li>
</ul>
<h3>Australia & Oceania</h3>
<ul>
<li>Australia</li>
<li>New Zealand</li>
<li>Papua New Guinea</li>
<li>Solomon Islands</li>
<li>Fiji</li>
<li>Vanuatu</li>
<li>Federated States of Micronesia</li>
<li>Palau</li>
<li>Marshall Islands</li>
<li>Nauru</li>
<li>Kiribati</li>
<li>Samoa</li>
<li>Tonga</li>
<li>Tuvalu</li>
</ul>
<p class="small note" style="margin-top:14px;">
Note: The boundary between TC2 and TC3 is commonly described using the Ural Mountains (Russia) and Tehran reference in industry training materials.
</p>
</article>
<article class="card half">
<h2>Real-World Fare Examples</h2>
<ul>
<li>Tokyo → Bangkok = Within TC3</li>
<li>Sydney → Singapore = Within TC3</li>
<li>London → Hong Kong = TC2 to TC3</li>
<li>Los Angeles → Sydney = TC1 to TC3</li>
</ul>
</article>
<article class="card half">
<h2>Quick Recap</h2>
<ul>
<li>TC3 = Asia + Asia-Pacific</li>
<li>Part of the Eastern Hemisphere</li>
<li>Includes Australia & Oceania</li>
<li>Critical in long-haul and round-the-world fare construction</li>
</ul>
</article>
<article class="card">
<h2>Knowledge Check</h2>
<ol style="color: var(--muted);">
<li>Is Thailand in TC2 or TC3?</li>
<li>Does a flight from Sydney to Tokyo remain within TC3?</li>
<li>Which TC Area includes Europe?</li>
</ol>
</article>
</section>
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