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Tag: My 2 Cents




Jul
11
2017

Not All Twins Are Alike - My Two Cents - Randy Mains

Posted by jhadmin

“But all twins are not alike”, I said to the air medical flight doctor who is very keen to make it mandatory that all air medical programs in America operate twin-engine helicopters. He replied, “I wasn’t aware of that.” So, what are the differences? It all has to do with the weight-to-horsepower ratio of the machine and the ability to either land safely on one engine or fly away. Helicopters are categorized by the FAA as Performance Class 1, 2 or 3. Performance Class 1 is defined as those helicopters with performance such that, in the event of failure of the critical power unit, the helicopter is able to land within the rejected take-off distance available or safely continue the flight to an appropriate landing area, depending on when the failure occurs. To be operated in Performance Class 1, a helicopter must be certified in Category A, which is a design requirement meaning it must be equipped with at least two engines, and also have a certain number of safety-related equipment items, as well as redundant backup for control, lubrication, etc. Category A helicopters must offer the performance needed to guarantee that, in case of an engine failure, the flight can continue safely. 
 Under Performance Class 1 conditions, the helicopter can manage the failure of one of its two engines at any given moment while maintaining satisfactory safety criteria, especially during the takeoff or landing phases.

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Tags: Helicopter Safety My 2 Cents Randy Mains
Categories: categoryOpinion-Editorial categorySafety



Oct
03
2013

My 2 Cents Worth - Breaking the Error Chain

Posted by jhadmin

My 2 Cents Worth - Breaking the Error Chain By Randy Mains “This is stupid!” What wonderful words to break the error chain. I’ve certainly said it when I’ve been flying. Like in bad weather when scud running, or doing anything in the air where I figured I probably shouldn’t be there. “This is stupid,” can potentially be one of those simple, but brilliant, ideas designed to let you, the pilot, know it’s time to call it quits, go home, and thus prevent really scaring yourself and possibly having an accident. [Read More...]

Tags: mains My 2 Cents
Categories: categorySafety categoryOpinion-Editorial


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