English Wikipedia has an article on: <span class="searchmatch">strapdown</span> Wikipedia From strap + down. <span class="searchmatch">strapdown</span> (plural <span class="searchmatch">strapdowns</span>) (aviation) An inertial navigation system that...
<span class="searchmatch">strapdowns</span> plural of <span class="searchmatch">strapdown</span>...
spooldown staredown steep-down Stonebeck Down stowdown straight up and down <span class="searchmatch">strapdown</span> sugar down sundown swab down swallow down swill down tail down talkdown...
reference for the FSM for two reasons. 2004, David Titterton, John L. Weston, <span class="searchmatch">Strapdown</span> Inertial Navigation Technology, page 483: In order to achieve an inertial...