This check is referred to as an operational flight check in the latest revision of the GMM and GOM. A tail rotor has been changed on a BO-105. After the assembly is installed there will be functional checks involving rigging, flapping, and balance. functional check evaluates only a single system within the entire aircraft. This is not to imply that all systems in the aircraft must have a functional check to complete an operational check on the aircraft.
Cut back shrubs grown primarily for their foliage, such as barberry and burning bush, almost anytime except in late autumn. New growth that starts after late-season pruning won't harden off properly before winter. If you want to do major pruning, it's best to cut the shrub back when it is dormant in winter.
When to Trim Weigela. It is best to prune weigela shrubs in the late spring after they have finished blooming. Trimming weigela bushes right after they bloom will keep you from inadvertently pruning off next yearâs flowers. This is because weigela bloom on wood that it is a year old.rimming Weigela to Control Size. It is common to prune weigela bushes in order to keep them a certain size. With this method of pruning weigela bushes, get a mental picture of how you would like the weigela to look like when you are done. Then, you can trim off branches as needed to create that shape.