A rough-running engine, or the consequences of having consumed a 32-oz. Mountain Dew before takeoff, may lead to a situation that requires urgent assistance from ATC. Whereas seeing your lone engine stop turning its prop while still miles from the runway causes a bit more distress. Either way, you'll need to take over the ATC frequency and express your situation, beginning with one of two internationally recognized phrases. Which phrase repeated three times signals urgency and which signals distress?
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