B737NG - Navigation - Mentour Pilot

The No 1. VHF NAV is agility tuning. The DME-1 indications on each RDMI

Will display the DME distance to each tuned DME
Will display a warning flag
Will display 4 dashes

Before selecting the ILS test facility

Select an ILS frequency on the associated VHF NAV control panel
Select an ILS or VOR frequency on the associated VHF NAV control panel
Select an ILS frequency on the both VHF NAV control panels

If the No. 1 ADF mode selector is selected to TEST, the No. 1 ADF needle on both RDMIs should

All series: Indicate 90 degrees right of the lubber line
All series: Rotate clockwise continuously
Classics: Indicate 45 degrees left of the lubber line. NG's: Pointer slews to 135 degrees relative bearing

A marker beacon sensitivity selector is located

On both the Captain's and First Officer's control panel
On the Captains instrument panel
On the First Officer's instrument panel

The Weather radar WX/TURB mode displays detected turbulence within

80 Nm
160 Nm
40 Nm.

A WXR DSPY warning on an EHSI indicates

Weather radar calibration fault
Loss of display unit cooling or an overheat condition of the EHSI
Weather radar has failed

Selecting an IRS mode selector from OFF to ALIGN will initiate

The 7minute alignment cycle
The 30 second fast alignment cycle
The 10minute alignment cycle

A flashing IRS ALIGN light indicates

Alignment cannot be completed due to IRS detection of airplane movement (on some 3/4/500's only), significant difference between previous and entered positions or no present position entry
Alignment cannot be completed due to IRS detection of airplane movement.
Normal alignment cycle

With all AC busses powered, the IRSs are selected from OFF to ALIGN. The ON DC light momentarily illuminates indicating

Impending DC power problems, check with the maintenance engineers
A fast align is in progress
A short DC power test with no action required

Fast alignment of an IRS is possible

On the ground and stationary only
Any time the air/ground sensor is in ground mode
On the ground or in flight provided one IRS is fully aligned for cross-reference purposes

During auto tuning the No. 1 VHF NAV radio is providing unreliable data for position updating to the FMC. The VHF NAV control panel automatic frequency window will

Display —- (Update 4 FMC or above.)
Display the frequency of the unreliable DME station.
Display 108.00 (Update 4 FMC or above.)

The Altenate Nav System (if installed) uses

IRS information only
IRS and VOR/DME information only
IRS, VOR/DME and ADF information

The AN/CDU is limited to

25 waypoints
Unlimited waypoints
20 waypoints

During Alternate Nav System operation an IRS fails. The IRS Transfer switch

Can transfer navigation inputs from the other IRS
Can transfer navigation inputs from the No. 2 IRS to the Captains AN/CDU only
Cannot transfer navigation inputs from the other IRS

To define the origin airport on the FMC Route page

Use the airfield 4 character ICAO identifier
No input is necessary as the FMC always knows where it is
Use the airfield 3 character identifier

B737NG – Navigation

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