| 摘要 |
<p>The invention relates to a backup instrument (4) that can be fitted in the dashboard of an aircraft. The backup instrument (4) includes means (11, 25, 28) for calculating and displaying backup flight information from backup signals provided by the backup equipment (20, 21, 22, 23, 24) of the aircraft, a memory (29) and means (30) for storing during normal operation the backup flight information and/or the backup signals in the memory (29) of the backup instrument (4). The invention makes it easier to identify the circumstances and causes of an aircraft accident in that it provides flight information independent from the aircraft's primary systems.</p> |
