PERF

Question 1

When must the ZFW and ZFWCG be manually entered on the FUEL PRED page?

Answer 1

If the takeoff Data Uplink/WDR is received after engine start

Question 2

The wind data block depicts what?

Answer 2

1. Wind and temp for all fixes past TOC and prior to TOD

2. Descent Forecast winds

Question 3

Which significant changes require dispatcher notification?

Answer 3

1. 100 mile deviations from route
2. 4000’ from planned cruise for +30 min
3. ETA +15 minutes
4. Less than minimum FAR fuel reserves
5. Greater than planned fuel consumption

Question 4

Where are Takeoff and landing visibility requirements located?

Answer 4

Ops Specs in airway manual

Takeoff minima or approach minima as applicable

Question 5

When is a Takeoff Alternate required?

Answer 5

When unable to return with Cat 1 minimums or better

Question 6

What’s in the header block of the WDR

Answer 6

1. Flight, ship, city pair number and release number
2. WDR date and time
3. Pax load, flight deck and FA jumpseaters
4. Cargo load

Question 7

What’s on the FMS block of the WDR

Answer 7

1. FUEL - total and expected taxi
2. TANK - quantities in respective tank rounded to hundreds
3. RMWP - weight at gate, ZFWT, ZFWTCG
4. TOWT - takeoff weight and TOGA CG
5. FLAP/STAB - stab setting for each T/O flap setting

Question 8

What’s on the performance block of the WDR

Answer 8

1. Runway/intersection data
2. Codes:
   A. F/L1200CB - first/last cutback
   B. CBL - cable extended at approach end
   C. BAR - cable extended at departure end
   D. BAK - cables raised at both ends
3. Perf Data good at or before intersection

Question 9

What are the contaminate codes on the performance block

Answer 9

1. D - dry
2. W - wet
3. I - ivy
4. Q - quarter clutter (between .14 to .25)
5. H - half clutter (.26-.50)

Question 10

Can dry numbers be used for wet grooves runways

Answer 10

Must use wet numbers if runway is not dry

Question 11

What is the number next to the contamination code in the WDR perf block

Answer 11

Assumed temp in C

Question 12

What’s the meaning of TO in the perf block of the WDR

Answer 12

Full rated thrust

Question 13

What’s the difference between the climb number and the RATOW number in perf block of the WDR

Answer 13

1. Climb - climb limit weight

2. Runway allowable takeoff weight

Question 14

What does the 01 next to contaminate level and assumed temp mean

Answer 14

1. Flap setting

2. If there is a secondary contaminate then there could be a second flap setting. It will say ATTN MULTI FLAP

Question 15

How can you identify the max wind values and takeoff speeds in perf block

Answer 15

1. Under WIND - HW means minimum needed, TW means max allowed
2. V1, Vr, V2

Question 16

What’s the perf Limiting notes for the perf set and where is it found

Answer 16

1. After V speeds
2. APU - APU for packs(if inop the packs off takeoff)
   TRI - thrust rev inop
   2SP - two spoilers inop
   ASP - all spoilers inop
   BKI - one wheel brake or anti skid inop
   IMP - takeoff using improved climb perf

Question 17

What does TAXI FUEL BURN REQ on WDR perf block

Answer 17

Minimum amount of taxi fuel must be burned for at least one listed power setting for that runway

Question 18

What’s in the notes section of WDR

Answer 18

1. MEL-NOTES-RMKS

2. TAKEOFF ENGINE AI PENALTIES APPLIED - perf adjustments not necessary for takeoff with engine ant ice on

Question 19

When must an Mel or CDL be listed on WDR

Answer 19

Dispatch Approval Required

Means all perf penalties applied

Question 20

When must jumpseater actually occupy the Jumpseat

Answer 20

STAY AT GATE FOR WDR PERFORMANCE- for jumpseaters with 1P or 2P

Question 21

When is a new WDR required

Answer 21

1. Increase in weight of 1000 lbs.

2. Change in .5% MAC

Question 22

How do you request new takeoff perf data

Answer 22

1. Through ACARS TOPR function
   ACARS-DAL REQUESTS-PERF TAKEOFF
2. Contact local gate/operations for assistance
3. Dispatch

Question 23

Why would a takeoff data uplink be intentionally inhibited

Answer 23

1. Runway with cutback corrections

2. ICY listed as runway contaminant

Question 24

How do you make perf corrections to the WDR

Answer 24

1. The Flight Plan Addendum contains perf correction values
   A. HW/TW
   B. Bleed air penalties. No penalties then “NO CORRECTIONS REQUIRED”
   C. Cutback correction - dry runway cutback or unlisted intersection

Question 25

What’s the meaning of LTP on the LPR

Answer 25

Latest Touchdown Point to protect the LDIST on the runway
A. 7sec air run distance
B. Not less than 1000’ or more than 3000’
C. Landing long reduces margin 15% from LDIST

Question 26

What does the use of () on LPR mean

Answer 26

When the LTP is less than 7 second calculated distance

Question 27

What are ——- when used on LPR

Answer 27

When the 15% safety margin cannot be met or data not available for requested conditions

Question 28

How do you determine landing distance on the LPR

Answer 28

1. Verify station, runway, rwy landing distance
2. First * - based on good braking action
3. Second * - default setting Flaps 4, brakes low
4. Cross reference for LDIST and LTP for latest touchdown
5. Lower portion is for other than good runway codes and defaults LO auto brakes

Question 29

Which manual are the Approach and Landing Speeds are located

Answer 29

The ODM Approach/Landing section

Question 30

Where do you find abnormal landing distances

Answer 30

ODM abnormal landing section

Question 31

What are the assumptions used in the calculations of the landing distance found in the abnormal section of the ODM

Answer 31

1. Max pedal braking

2. Does not include 15% safety margin