HUD EVS

What device is used to set up for the HUD operation?

DISPLAY CONTROLLER / HUD button

What elevation should be boxed on DISPLAY CONTROLLER HUD menu?

Runway TDZ elevation

What angle should be boxed on the DISPLAY CONTROLLER HUD menu?

The approach vertical angle

During approach when will the Airport Symbol appear on the HUD display?

2000’ above the boxed TDZ elevation

During approach when will the Airport Symbol disappear on the HUD display?

325’ above the boxed TDZ elevation

During approach when will the Runway Symbol appear on the HUD display?

350’ above the boxed TDZ elevation

During approach when will the Runway Symbol disappear on the HUD display?

60’ above the boxed TDZ elevation

During approach when will the Flare Cue appear on the HUD display?

100’ AGL

How do you DECLUTTER the HUD presentation?

Use the EVS / HUD rocker switch on the YOKE and select HUD

How do you return to the HUD CLUTTER mode?

Use the EVS / HUD rocker switch on the YOKE and select HUD

May either DISPLAY CONT be used to set up the HUD?

YES

What device is used to set up for EVS operation?

Display Controller / HUD button

What items must be boxed for EVS operation?

• FLIR

• EVS

• AUTO, H or L

What occurs when the FLIR button is pushed?

EVS performs a built in test and the camera in internally cooled

How much time is needed for the EVS camera to cool down?

• 30 minutes

• EVS II (S/N) 5214 and subsequent fifteen (15) minutes

What occurs if the EVS button is pushed?

If pushed before FLIR button, it boxes (turns on) EVS and FLIR simultaneously

What Airport Lighting Level should be requested for EVS operation in low visibility?

High Intensity (highest level)

What term refers to the EVS image displayed on the HUD?

Raster

What is a NUC Check?

Non Uniformity Correction check

When will a NUC Check occur?

• When flaps are selected to 10º OR

• When NUC button is pushed on the Disp Cont

• When FLIR is boxed

What is the function of the FLIR button?

Cools down EVS camera

What is the function of EVS button?

• Places the Raster (EVS image) on the HUD screen AND

• Turns on FLIR if not previously selected

What is the function of the AUTO, H or L button?

Sets image gain in Auto, High or Low

What is the purpose of the YOKE HUD/EVS ROCKER switch?

Allows pilot to CLEAR (remove) the EVS display from the HUD

How is EVS operation status displayed on HUD?

• EVS A (Auto gain), EVS L (low gain), EVS H (high gain). EVS C (indicates clear mode EVS

video is available but is not being displayed)

• What altitude may the aircraft descend to with EVS?

• 100’ above Runway TDZE provided

• EVS Lights are in sight

When may the aircraft descend below 100’ above Runway TDZE during EVS approach?

Must establish VISUAL CONTACT WITH THE RUNWAY

What call will the pilot make when he sees the Runway Lights on EVS?

“EVS Lights – continuing to 100 feet”

EVS works well in FOG or CLOUDS?

Fog

LOW CEILINGS may make EVS approaches:

Difficult because water droplets are more dense in clouds