B757 EVFS

Question 1

When does the RA readout appear in the HUD?

Answer 1

> 1500 ft RA

<1400 ft RA

Question 2

When is the Max Lift- Drag Symbol displayed on the HUD?

Answer 2

Clean Wing only.

Question 3

When do the Airport Edge Lights appear and disappear?

Answer 3

Descending through 2,000 ft

Removed when aircraft descends below 325 ft

Question 4

When do Runway Lines appear and disappear?

Answer 4

Appear at 350 ft

Disappear at descending through 60 ft AGL

Question 5

When does the Approach Reference Band display?

Answer 5

Normal or Eng Out landing flaps are selected
Indicated the appropriate range of approach AOA FOR. -REF+15 Kts
Adjusts for each flap position
1.5 degrees wide

Question 6

What is the “official name for the “hook” ?

Answer 6

Minimum Operating Speed Cue

Question 7

What is the symbol FPV symbol called on the ground?

Answer 7

Ground Roll Reference Symbol

Question 8

What components are added or removed during ground roll?

What speed does it become active?

Answer 8

Altitude scale removed
HSI removed

Braking scale and Pointer added

Pointer moves up and down to indicate relative braking effectiveness and predicted stopping position

Hashed area represents last 2,000 feet of rwy surface available.

Scale remains displayed until GS falls below 30 Kts for 10 seconds. Altitude scale returns at that time.

Question 9

What are some of the EFVS limitations?

Answer 9

Water droplet size
Vapor content
Visual anomalies 
 - Noise
 - Blooming
 - Parallax
 - Thermal crossover

Detector cool down requirement - 15 minutes

Question 10

Name the HUD components

Answer 10

Overhead Unit
Combined Display
HUD computer

Question 11

Name the three combiner positions

Answer 11

Stow
Operating
Breakaway

Question 12

What altitude does EFVS toggle on when in auto mode in a descent?

Answer 12

24,750 feet

Question 13

When does the EFVS perform a NUC?

Answer 13

Descending through 10,000 ft

Question 14

Conformal Approach Mode

Answer 14

ILS TUNED
FRONT COURSE WITHIN 7 degrees
LOC deviation within +/- 2 dots
Longitudinal distance to LOC station is >4,000 feet
Rwy length is entered at LSK 3L
Rwy elevation is entered at LSK 4L on HUD EFVS Control menu page

Question 15

EFVS Setup/Verification Process

Answer 15

1. Jeppesen 10-9A - dep rwy approved 300 feet/ 75 meters RVR. 2. proper lighting - FOM.
2. Crew Qual HUD Takeoff Guidance- FPR H/E column
3. Verify Capt 90-day HUD currency - PFC
4. Tune the ILS freq/course - ILS Control Panel
5. Enter runway length - FMC LSK 3L HUD/EFVS Control Menu PG.

Question 16

When is HUD guidance required?

Answer 16

Below 500 RVR (150m)

Question 17

What should the captain do when using the HUD below 500 RVR and a HUD GUIDANCE message appears during TO Roll?

Answer 17

Below 80 Kts - Abort the TO

Question 18

What viability is required for C048 ops?

Answer 18

1000 RVR (1600 tower closed)or 1/4 sm
Max X-wind 15 Kts
Approved airport 
HUD/EFVS working 
Qualified crew