ED Decision 2011/012/R
The pilot must be provided with an indication that any applicable limitations for tethered flight are being, or have been reached.
ED Decision 2011/012/R
The inclusion of an appropriate device or instrument (rated ‘weak link’, hand held anemometer, windsock, etc.) to provide the pilot with an attention-getting indication of the balloon’s tethering limitation, is considered compliant with CS 31GB.67.