OPT

Question 1

When is Rev Thrust assumed on takeoff?

Answer 1

Wet or contaminated runway.
No Rev assumed for dry, so no penalty if Rev not working.

Question 2

What buffer for ATM take off?

Answer 2

+400kg and +/- 1HPa

If it goes down, the limit is more than 1 % mactow

Question 3

Landing performance buffer?

Answer 3

15% for normal config.
No buffer for NNC.

Question 4

Caution on OPT indicates what?

Answer 4

Wheels fuse plugs may melt. Not normal procedure to select an auto Brake that would result in caution or Melt.
If occurs: delay take off by 1 hour, then inspect wheels.

Question 5

TOW 434,419.
What do you input into OPT

Answer 5

Round up on by one decimal. So 434.5.

Question 6

How to state an increase of TOW for opt given a short taxi?

Answer 6

Final loadsheet 1 TOW + 500KG

Question 7

Primary method of comparing OPT data for take off and landing now?

Answer 7

Compare function found in drop down menu (where updates loaded)

Question 8

When must opt be recalculated?

Answer 8

When final loadsheet TOW greater than 600kg (assumed temp takeoff)
(Different for 777: 400kg)

Question 9

Landing opt, what do you announce?

Answer 9

Reg, no lights, airport, rwy, flap, wind

Question 10

Only calculation for take off need to be saved!

Answer 10

Send output
Via email
Flight number CPA…
Done

Question 11

When does a Dispatch Landing Distance need to be applied?

Answer 11

• MEL affecting landing distance (example, no Rev thrust, no auto brake)
• Dest or Alt forecast to be contaminated at ETA
• Notam reducing landing dist avail

(Dispatch landing calc assumes max manual braking)

Question 12

Which landing weight should you use for OPT LPA?

Answer 12

Higher of:
Loadsheet LW

Or

ZFW + landing fuel
(Higher of CALC OR TOT)