ILS CAT IIIa HUGS Appr & Ldg Limitations

Question 1

ILS CAT IIIa Approach nominal GS

Answer 1

2,5 - 3,0

Question 2

HUGS AIII Mode Selection

AIII auto select after LOC intercept above how many ft AGL?

Answer 2

> 800 ft AGL

Question 3

AP latest disengage (HUGS AIII Mode use) (ft AGL)

Answer 3

> 650 ft AGL

Question 4

Minimum RVR CAT IIIa (m)

Answer 4

200

Question 5

Minimum CAT IIIa DH (ft)

Answer 5

50

Question 6

Max RWY Slope

Answer 6

+/- 1,0 %

Question 7

HUGS AIII flap configuration approval ( ALL engines) ?

Answer 7

45

Question 8

CAT IIIa (Single Engine) approaches and ldgs approved flap configuration?

Answer 8

20

Question 9

How many Generator are required

for CAT II and CAT IIIa approaches ?

Answer 9

2 Generator at least (only in case of an OEI LVO approach the APU must be operational and sharing load)

Question 10

HUGS AIII System Component Failures :

—> leading to Go-around

Answer 10

AIII annunciator (flashing and boxed) displayed on HGS combiner

AIII mode annunciator (red strike thru) displayed on PFD‘s

APCH WARN Message (below 500 ft AGL)
(on HGS combiner or PFD‘s)

HGS FAIL Status Msg. (EICAS)