Landing

Question 1

Landing Distance Available/Required
Landing Distance

Answer 1

Net Factor = LDA/LDR
Gross Factor = LD

Question 2

LDA

Answer 2

Threshold to Threshold

Question 3

VREF speed for Class A

Answer 3

1.23 x VSRO (stall ref in landing config)
Or
VMCL

Whatever is higher

Question 4

VREF Class B

Answer 4

VS0 x 1.3

Or

VMCL (Twin)

Question 5

Safety Factors applied to landing distance for Class A

Answer 5

LD x 1.67 = LDR
LD/0.60 = LDR

Question 6

Safety Factor For Class B - Gross to Net Landing

Answer 6

LDR = LD x 1.43
LDR = LD/0.70

Question 7

Safety Factor For a Wet Runway/Grass runway

Answer 7

LDR x 1.15

Question 8

Downslope safety factor for gross to net

Answer 8

LDR x 1.05 (per 1% downslope)
(Only downslope is considered Class B)
(Class A 2% ignored)