![]() ![]() All the while, the rev counter has gone beyond the red line, the engine is really roaring and the speed is in the yellow arc. I don’t have carb heat on this Cessna 172SP, and switching one magneto off does not reduce power by much. Not only does the engine noise not decrease, it actually gets louder as the speed builds up! The aeroplane wants to accelerate and climb, and for a few moments I break through the 1,000ft ceiling into Heathrow’s airspace. When I power back to level off at 1,000ft, the throttle has no effect, the engine noise does not change, and the aircraft accelerates well beyond cruise speed. But, as it turns out, today I will be able to follow the standard routeing for only a minute or so. The local procedure is to turn to the right after takeoff and leave the Denham ATZ at a maximum of 1,000ft, in order not to infringe Heathrow’s airspace. ![]() ![]() So here I am, taking off from Denham Runway 24 on a standard northbound departure. But, as they say, the devil is in the detail, and little did I know that this flight, too, was going to be quite a rollercoaster. After all, I had already practised this malfunction in the real aeroplane a few times, and each time I handled it well and without much drama. After two pretty challenging simulator scenarios (an elevator failure, and a full electrical failure in IMC) I thought this third emergency scenario−a jammed throttle−was going to be a bit of a breather. There are several strategies to deal with a jammed throttle, but if the cloudbase is low and the power stuck at max then your options are limited, as Eugenio found out in this month’s sim session…įlight Takeoff R24 from Denham, departing to the North ![]()
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