Article content A mechanical issue forced STARS to leave its helicopter on the landing pad at the Queen Eliza-beth II Hospital overnight Monday. The minor mechanical issue was a good exercise for STARS in dealing with a grounded aircraft and putting its second helicopter into service. We apologize, but this video has failed to load. Try refreshing your browser. Stars puts second unit on starting line Back to video “We just had a very minor mechanical issue when we landed there,” said Capt. Thierry Breuls de Tiecken, Aviation Base manager. “So out of an abundance of caution, we decided to leave it there, investigate it further and ordered the part we think might be the issue. We’re just waiting for the part to put it on and fly it back. Not anything big.