<p>Experimental helicopter with additional fixed-wings.
It was evaluated for the Heavy-Lift Helicopter project in 1972 which led to the creation of the XCH-62.
This is a modified CH-47A fitted with a 9ft fuselage plug, four bladed rotors and variable geometry fixed wings.
</p><p>c/n B.164.
US Army Aviation Museum.
Fort Rucker.
Alabama, USA.
</p>
17-4-2013
<bdi><a href="https://www.wikidata.org/wiki/Q33132025" class="extiw" title="d:Q33132025"><span title="photographer from the UK">Alan Wilson</span></a>
</bdi>
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ajw1970/10509105573/">Boeing-Vertol BV-347 Chinook [65-7992]</a>
</p>
<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:AVIA_BavARia" title="User:AVIA BavARia">AVIA BavARia</a></li></ul>