Floor-mounted fuel control quadrant from Eurocopter AS350
National Transportation Safety Board (letter recommendation to Federal Aviation Administration)
2010-10-20
Figure 1 from <a rel="nofollow" class="external text" href="https://www.ntsb.gov/safety/safety-recs/recletters/A-10-129-130.pdf">NTSB Safety Recommendations A-10-129 and -130</a>