METHOD FOR INDEPENDENT ALIGNMENT OF AN INERTIAL UNIT FOR AN ONBOARD INSTRUMENT TO BE MOUNTED E.G. IN AN AIRCRAFT, AND ONBOARD INSTRUMENT USING SUCH METHOD

摘要

The invention relates to a method for the independent alignment (40) of an inertial unit to be mounted e.g. in an aircraft, characterised in that it comprises the following steps: monitoring the occurrence of a movement of the inertial unit during the alignment (40); interrupting the alignment (40) of the inertial unit in case a movement occurs; resuming the alignment (40) of the inertial unit when the movement ceases. The invention advantageously optimises the alignment duration as the latter can be carried out during all periods when no movement of the inertial unit is detected, and uniquely during said periods. The invention provides a quick and reliable alignment of the inertial unit.