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25 Cards in this Set
- Front
- Back
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Each IRU produces the following inputs
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Attitude, heading, inertial position, ground speed and wind direction
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At IRS initial power up, the IRS 1 ON BATT advisory EICAS message indicates the
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Backup DC from the battery bus is being tested (normal momentary indication)
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If the aircraft is cold-soaked at or above 0c, then initial IRS alignment requires approximately
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7 minutes
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The VOR DME sensor for FMS 1 is enabled
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By default at power up
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IRS shutdown should be accomplished by
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Selecting the related mode select knob to OFF
Maintaining aircraft power for at least 15 seconds after selecting off |
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IRS failure is indicated by
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Boxed red ATT flag on ghe related PFD
Boxed red FD flag on the related PFD Boxed red HDG flag on the related PFD |
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Heading indications on each PFD are obtained from
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The related IRS
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Control for 8.33 kHz channel spacing is accomplished
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On the related COM main page of the RTUs
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Marker beacon sensitivity is controlled
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Via the related NAV main page
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Selecting AUTO mode in the FMS TUNE page for NAV 1
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Allows FMS 1 to automattically tune channel 1 of DME 1 for use in the NAV position solution
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The left COURSE knob on the flight control panel is only operational
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when short range NAV source is selected on the left MFD
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If the right flight director is selected
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FMS 2 becomes the master source for all navigation
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What NAV sensor does the FMS normally give highest priority when calculating position?
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GPS
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The database unit (DBU) is used
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For installing each FMS data base
By the maintenance diagnostic computer for installing or downloading maintenance data For installing or storing pilot waypoints |
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When synchronizing, the FMS selected as master
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Should be the one that has data entered, and purges all data in the memory of the other FMS
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Pushing the FMS TUNE INHIB switchlight
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Inhibits all radio tuning via the TUNE page on all FMS
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FMS 2 has failed in a 3 FMS airplane, How is FMS 3 utilized?
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Select FMS 3 knob to the 2 position. Select FMS 1 as the master and synchronize with FMS 3
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An amber LNV 1 annunciation on both PFDs indicates:
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The aircraft has reached the last waypoint in the flight plan and is maintaining the heading existing at fix passage (FMS NAV is invalid)
The current heading selection does not intercept the current flight plan course (FMS Nav is valid) |
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Selecting an audio panel EMER-NORM switch to EMER position
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Enables reception of the onside VHF NAV ident audio and automatically selects the onside VHF transmitter and receiver (handset only)
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After the crew dons oxygen maskes, crew communications are established via the overhead speakers by selecting
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The MASK-BOOM switch on each audio panel to MASK and pushing in the SPKR button and setting volume
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RTU failure is indicated by
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A red RTU FAILURE message on the RTU display
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Regarding the selective calling feature for the HF radios
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The crew is alerted to selective calling by the related SELCAL HF advisory EICAS message and the SELCAL voice alert
The advisory message automatically clears when the crew transmits on the related HF radio |
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How does the copilot establish push to talk (not hot mike) crew interphone communications?
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Set the R/T-I/C swithch on the right audio panel to the unlabeled center position. Push the I/C-OFF-R/T switch on the control wheel to I/C when he speaks, then off
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An amber H annunciation in the NAV data block on a PFD indicates
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DME channel 1 is being held
DME channel 1 is no longer automatically controlled by the FMS |
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Proper ADF testing is indicated when a local NDB station is tuned and
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The related pointer returns to the original bearing after the TEST button is released
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