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Lesson 5c - Wave

Lesson Objective

Wave Soaring is not common throughout the United States, especially in the flatlands of the midwest and southeast. However rare wave lift may be for some regions, Skyline Soaring is blessed with 20 to 30 flyable days with wave lift every year. However, since we operate only on weekends and occasional weekdays, the total number of days we can use this lift is reduced. During this lesson plan, the student will learn the basics of wave formation, techniques of soaring in wave, and the hazards associated with rotor turbulence and the extreme sink of the lee side of the wave.

Regulatory Requirement

Pre-Solo: None
Private Pilot Candidate: PTS VI-C, C1(j)

Content

Wave Soaring Techniques
Wave lift formation
Oxygen systems
Hypothermia
Hypoxia

Completion Standards

Practical Test Standards:

Objective. To determine that the applicant:

Exhibits knowledge of the elements related to wave soaring.
Locates and enters the area of lift.
Exhibits smooth, coordinated control, and planning to remain within the area of lift.
Uses correct technique to re-enter the area of lift, if lift is lost.
Remains oriented to ground references, wind, and other aircraft.
Recognizes and avoids areas of possible extreme turbulence.
Maintains proper airspeeds.
Coordinates with ATC, as appropriate.

The student must be able to explain

Mechanics of lee-wave formation
Meteorological conditions that produce wave lift
Hazards of wave flying

Prerequisite Study

§91.211 Supplemental oxygen.
Glider Flying Handbook (2024), Chapter 9, page 9-18 through 9-22, "Mountain Waves"
Glider Flying Handbook (2024), Chapter 10, Page 10-21 through 10-28, "Wave Soaring"
Wikipedia article on Lee Waves
Wikipedia article on Lenticular Clouds
Wikipedia article on Föhn Winds
Potential Dangers in Wave Soaring