Page 21 - Volume 10 Number 7

propeller governing range extends from 1,700 RPM maximum to about 1,450 RPM minimum and 1,500 is the common cruise and approach setting. When the power levers are reduced to Idle in the flare – this series really wants to float on landing! It is rare that the RPM will not immediately start to underspeed even below 1,500. So you may choose to not wait until after touchdown to place the propeller levers forward in these models, but instead get it done on final when you observe the decreasing RPM.
Conclusion? For normal opera- tion, it is standard King Air operating practice to not move the propeller levers forward to the High ROM position until on the runway. That’s what I teach and do. However, except for the additional noise, there is no reason not to do it on the downwind leg or when approaching a Final Approach Fix. If you prefer to keep the habit patterns you have already developed, feel free to place the prop levers forward just as you did before. And, for everyone, when faced with an abnormal landing situation, be sure to select maximum propeller speed nice and early, no later than 500 feet above touchdown, if not well before then. KA
King Air expert Tom Clements has been flying and instructing in King Airs for over 43 years, and is the author of “The King Air Book.” He is a Gold Seal CFI and has over 23,000 total hours with more than 15,000 in King Airs. For information on ordering his book, go to www.flightreview.net. Tom is actively mentoring the instructors at King Air Academy in Phoenix.
If you have a question you’d like Tom to answer, please send it to Editor Kim Blonigen at kblonigen@ cox.net.
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