Safety in Gaggles
In the world of soaring, a “gaggle” refers to a group of gliders circling together in the same thermal. These (sometimes) spontaneous gatherings are a common sight during competitions and cross-country flights, where pilots converge on lift to gain altitude. While gaggles can be highly effective for climbing, they also introduce complexity and risk, albeit manageable. Practicing good gaggle etiquette is essential for safety, efficiency, and mutual respect in the sky. Though the below is true for even joining another singular glider climbing.
Turn in the Same Direction
The cardinal rule of gaggle flying: always turn in the same direction as the first glider in the thermal. If the lead glider is circling left, you circle left too. Mixing turn directions is extremely dangerous and can lead to mid-air collisions.
Join Smoothly
When approaching an existing gaggle, enter from the outside and match the turn radius of the gliders already inside. Avoid cutting through the centre or diving in at speed. Observe for a few seconds to confirm the turn direction and spacing before slipping in at the same altitude level if possible.
Maintain Proper Spacing
Keep a safe and respectful distance from other gliders. Pilots are responsible for maintaining visual separation, which means constant awareness of nearby wings, particularly in crowded thermals. Avoid flying directly above or below another glider unless spacing is very clear. If someone has to look through fibreglass, then you are responsible for the separation!
Don’t Cut in
Everyone wants to be in the core of the lift, but gaggle flying requires compromise. If you find yourself slightly off-center, don’t weave erratically to move in. Stability and predictability are more important than a few extra feet per minute of climb. Don't try to cut in for the core!
Communicate with Courtesy
While most communication is non-verbal, in contests or dense airspace, pilots may use radios to coordinate, but usually a friendly wave is common courtesy to let the other pilot know that you've seen them. Keep radio calls clear and minimal. Avoid aggressive or sarcastic commentary — soaring thrives on a culture of mutual respect.
Be Predictable
Avoid sudden changes in speed or bank angle. Make your flying style as predictable as possible. Other pilots are watching your moves closely to stay safe.
Flying in a gaggle can be both a strategic advantage and a social experience, but it demands discipline and etiquette. By following these basic principles, glider pilots can share thermals safely, efficiently, and enjoyably!
Safe circles,
Adam Woolley
Banner photo by Bozena Michalowski
Adam Woolley was born into the gliding world, being the 3rd generation in his family. Going solo at 15, his thirst for efficiency in soaring flight & quest for a world championship title to his name has never wavered. One big passion is sharing his experiences & joy with other glider pilots all around the world. Adam is an airline pilot in Japan on the B767 & spends his off time chasing summer around the globe. He has now won 7 national Championships & represented Australia at 5 WGC's & 1 EGC.
