The topic for this week

The topic for this week

Understand; Rate of turn. Angle of turn.


Aircraft maneuvering is referenced to a standard rate of turn. A standard rate turn is defined as a 3° per second turn, which completes a 360° turn in 2 minutes. This is known as a 2-minute turn, or rate one (180°/min).

R1 = 3 degrees per second. R1 360 takes 2 minutes
R2 = 6 degrees per second. R2 360 takes 1 minute
R3 = 9 degrees per second. R3 360 takes 40 seconds
R4 = 12 degrees per second. R4 360 takes 30 seconds
R5 = 15 degrees per second. R5 360 takes 24 seconds

This individual aircraft would stall at 50 knots (wings level) clean. After executing: Height Airframe Security Engine Location Lookout checks. The aircraft turns at 70 knots at 45° of bank. Aircraft in clean configuration. Engine idle. Prop fine. Take off weight 585 Kilo. In perfect conditions. Aircraft at 5500 feet QNH lost nearly 335 feet in a 17 second 180° turn. Aircraft has electronic audio and visual stall warner and a SMARTASS

What was the rate of turn?
What’s the turn angle?
Anything else important?

The Safety Section on the website is found here. Read it now.

Posted by Bob Hitchcock. Remove from Front Page March 26th 2018 unless superseded 


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