| 摘要 |
The invention relates to the instruments for aiding the piloting of aircraft and more precisely a system comprising two instruments (ICS1, ICS2) making it possible to display flight parameters and notably the attitude of the aircraft. Each instrument comprises an inertial measurement unit (121, 122). The invention makes it possible to align the inertial measurement units (121, 122) in a stand-alone manner even when the aircraft is in motion. The alignment can be carried out without using an external source of information. Accordingly, the alignment is carried out mutually for the two inertial measurement units (121, 122) based on a relative position of each instrument (ICS1, ICS2) and on measurements (&OHgr;1, &OHgr;2, γ1, γ2) taken by each instrument (ICS1, ICS2) during one and the same time period.
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