Many helicopter bosses feel the need to hover in order to monitor efficiency, or to keep things on track, especially if an employee has erred in the past. But most micromanagers do so out of a need for control that often has more to do with them than the performance of their employees.
The first step towards getting a boss to loosen her grip is to remove any possibility from her mind that she needs to be that way. Get to work on time. Meet deadlines. Be productive. Make clients happy.