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Trivia Teaser: Quick! What's that number, again?

You are flying a Normal Category aircraft. During cruise, ATC informs you that moderate turbulence is to be expected in about 10 miles on your route of flight. You quickly try to remember what the maneuvering speed (Va) is for your aircraft, is but to no avail. On the placard in front of you, though, is written the stall speed, which is 50 knots. Which number would be closest to Va for your aircraft?
A) 75
B) 88
C) 100
D) 125

You are flying a Normal Category aircraft. During cruise, ATC informs you that moderate turbulence is to be expected in about 10 miles on your route of flight. You quickly try to remember what the maneuvering speed (Va) is for your aircraft, is but to no avail. On the placard in front of you, though, is written the stall speed, which is 50 knots. Which number would be closest to Va for your aircraft?
A) 75
B) 88
C) 100
D) 125
C. Maneuvering speed (Va) is generally speaking roughly two times the stall speed in a Normal Category aircraft. Therefore the Va would be about 100 knots. It’s a good rule of thumb to know.

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About This Author:
Jeff Pardo is an aviation writer in Maryland with commercial ASEL, instrument, helicopter, and glider ratings. He started flying in 1989 and has about 1500 hours. Jeff holds a bachelors in meteorology and oceanography, as well as an MS in marine science. Prior to his present tenure at SES, Jeff worked in flight dynamics for various telecommunication firms for 15 years. He has flown mostly Cessna and Piper airplanes and R-22 helicopters, and has about 70 hours in J3 and Citabria aircraft. He has flown as a mission pilot for the Civil Air Patrol, as a mission pilot for Angel Flight, and he was a contributing editor for AOPA Flight Training for about 10 years.
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