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English to Arabic translations [PRO]
Tech/Engineering - Mechanics / Mech Engineering / aviation control systems | | English term or phrase: fail passive/ fail operational control system | Fail-passive Automatic Landing System
An automatic landing system is fail-passive if, in the event of a failure, there is no significant out-of-trim condition or deviation of flight path or attitude - but the landing is not completed automatically.
NOTE: For a fail-passive automatic landing system the pilot assumes control of the aircraft after a failure.
The following are typical arrangements:
(1) A monitored automatic pilot in which automatic monitors will provide the necessary failure detection and protection.
(2) Two automatic pilots with automatic comparison to provide the necessary failure detection and protection.
Fail-operational Automatic Landing System.
An automatic landing system is fail-operational if, in the event of a failure, the approach, flare and landing can be completed by the remaining part of the automatic system.
NOTE: In the event of a failure, the automatic landing system will operate as a fail-passive system.
The following are typical arrangements:
(1) Two monitored automatic pilots, one remaining operative after a failure.
(2) Three automatic pilots, two remaining operative (to permit comparison and provide necessary failure detection and protection) after a failure |
| MilestoneKudoZ activityQuestions: 79 ( 1 open) ( 5 closed without grading) Answers: 4
| Local time: 00:20
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| | نظام التحكم في التوقف الآمن بعد العطل/ التشغيل الآمن بعد العطل | Explanation:
Fail passive: The ability of a system to close down after the occurrence of a failure.
Fail-operational (FO): The ability of a system to continue to deliver service in degraded mode and with known safety risks after the occurrence of a failure. |
| Selected response from:
 Shazly
Egypt
Local time: 00:20
| Grading comment thank you for trying to help out
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