FLIGHT INSTRUMENTS

2.2 SUPPLEMENTAL FLIGHT DATA

NOTE: Pressing the DFLTS Softkey (a second-level PFD softkey) turns off metric Altimeter display, the Inset Map, and wind data.

In addition to the flight instruments, the PFD also displays various supplemental information, including the Outside Air Temperature (OAT), wind data, and Vertical Navigation (VNV) indications.

OUTSIDE AIR TEMPERATURE

The Outside Air Temperature (OAT) is displayed in degrees Celsius (°C) by default in the lower left of the PFD under normal display conditions, or below the true airspeed in reversionary mode.

Normal Display

Reversionary Mode

Figure 2-30 Outside Air Temperature

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FLIGHT INSTRUMENTS

WIND DATA

Wind direction and speed (relative to the aircraft) in knots can be displayed in a window to the upper left of the HSI. When the window is selected for display, but wind information is invalid or unavailable, the window shows “NO WIND DATA”. Wind data can be displayed in three different ways:

Option 1

Option 2

Option 3

No Data

Figure 2-31 Wind Data

Displaying wind data:

1)Press the PFD Softkey.

2)Press the WIND Softkey to display wind data below the Selected Heading.

3)Press one of the OPTN softkeys to change how wind data is displayed.

•OPTN 1:Wind direction arrows with headwind and crosswind components

•OPTN 2:Wind direction arrow and speed

•OPTN 3:Wind direction arrow with direction and speed

4)To remove the window, press the OFF Softkey.

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FLIGHT INSTRUMENTS

VERTICAL NAVIGATION (VNV) INDICATIONS

When a VNV flight plan has been activated, VNV indications (VNV Target Altitude, RVSI, VDI) appear on the PFD in conjunction with the “TOD within 1 minute” message and “Vertical track” voice alert. See the Flight Management section for details on VNV features. VNV indications are removed from the PFD according to the criteria listed in Table 2-2.

Top of Descent Message

						VNV Target
							Altitude
							Vertical
							Deviation
							Indicator
							Required
							Vertical
						Speed Bug
GPS is							Enroute
Selected
							Phase of
Navigation
							Flight
Source

Figure 2-32 Vertical Navigation Indications (PFD)

	VNV Indication Removed
Criteria	Required Vertical	Vertical		VNV Target
	Speed (RVSI)	Deviation (VDI)		Altitude*
Aircraft > 1 min before the next TOD and not on a descent leg	X	X		X
Aircraft > 1 min before the next TOD due to flight plan change	X	X		X
VNV cancelled (CNCL VNV Softkey pressed on MFD)	X	X		X
Distance to active waypoint cannot be computed due to
unsupported flight plan leg type (see the Flight Management	X	X		X
Section)
Aircraft > 250 feet below active VNV Target Altitude	X	X		X
Current crosstrack or track angle error has exceeded limit	X	X		X
Active altitude-constrained waypoint can not be reached within	X	X
maximum allowed flight path angle and vertical speed
Last altitude-constrained waypoint in active flight plan reached	X	X		X
		(30 sec before)
Table 2-2 VNV Indication Removal Criteria

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