Exercise 14 - Spiral Dive

In this lesson you will practice the recovery procedures from spiral dives. You may also practice different types of slips, their entry procedures and recovery procedures.

 

Planned Activities

• Exercises 14, maybe 15

 

Reference Material

• VTA/VNC

• FTM

• Pilot Operating Handbook

 

Preparation

• Review exercises in FTM to understand different types of slips.

• Review the airspace around your airport using a VTA/VNC.

• Be able to answer the following questions:

1) What is the difference between a spin and a spiral dive?

2) What are some scenarios that can lead to a spiral dive?

3) Define Va.

4) What happens to the stall speed as bank is increased?

5) What is the proper recovery procedure for a spiral dive?

6) How do we recognize a spiral dive? What will you visually see outside and on the instruments and what will you feel?

• Write down your questions!

 

Tips/Rules of Thumb/Theory

• A spiral dive is associated with rapidly increasing airspeed and a rapid decrease in altitude

• When pulling out of a dive during a spin or spiral dive recover, level the wings first to prevent further tightening and aggravating the manoeuvre.

• The airplane will recover to wings level faster if using co-ordinated aileron and rudder

• A good rule of thumb is to wait until there is a slight nose up attitude and cruise speed or lower before adding power to recover and begin climbing. This helps prevent excessive engine RPM.

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