MAX Differences

Question 1

Range

Answer 1

3500NM instead of 3000NM

Question 2

Maximum Weights

Answer 2

Around 3t more than NG

Question 3

BLEED or PACK Protection

Answer 3

Lights illuminate 45sec after flaps retracted if not ON

Question 4

Engine AI Difference

Answer 4

Includes Core AI controlled by EEC

Question 5

Engine Differences

Answer 5

-LEAP 1B / CFM56-7
-18 Fan Blades /24
-Diameter 175cm / 155cm
-Lower Fan (N1) higher Core (N2) speed
-One additional high stage (3-9-1-4 / 3-10-2-4)
-Bypass ratio 9:1 / 5:1
-Fuel reduction 15%

Question 6

Max EGT Difference

Answer 6

-725 / 753
-925 / 1013
-950 / 1038

Question 7

BRM

Answer 7

-Bowed Rotor Motoring
-Has longer shaft and due to uneven cooling top part becomes longer
-Max 90s

Question 8

Engine Start Times

Answer 8

-With hot engine, up to 150sec instead of 70sec
-Fuel flow starts around 10sec due to self test

Question 9

Engine Warm Up Requirement

Answer 9

-3 minutes instead of 2 minutes
-Oil temperature >31 degrees

Question 10

Hazard Area

Answer 10

4.6m in front instead of 4.2m

Question 11

Engine Run Up

Answer 11

-50% for 5sec / 70% 30sec for takeoff
-50% for 1sec in 60min / 70% 30sec in 30min for taxi

Question 12

New Engine Alerts

Answer 12

-THRUST: Under/Overthrust or N1 > N1 amber bug
-FUEL FLOW: Difference between actual and FMS calculated fuel flow

Question 13

New Reverser Lights

Answer 13

-REVERSER COMMAND: Not in down position
-REVERSER LIMITED: REVERSER light in NG, not available
-REVERSER AIR/GND: Protection lost

Question 14

MCAS

Answer 14

-Maneuvering Characteristics Augmentation System
-Pitch stability augmentation
-Uses high speed trimming (like flaps extended)

Question 15

MCAS Operation Conditions

Answer 15

-A/P not engaged
-Flaps are up
-AOA above threshold
-10sec after takeoff
-Takes snapshot of trim when activated and calculates a maximum command limit accordingly

Question 16

Spoiler Difference and New Functions

Answer 16

-Now fly by wire
-Maneuver Load Alleviation
-Emergecy Descent Speedbrakes (above FL300)
-Elevator Jam Landing Assist (flaps extended)
-Landing Attitude Modifier (acceptable NW contact)

Question 17

Extra SFP Differences

Answer 17

-Increased Flight Spoiler deflection on ground (30 &raquo_space; 60 degrees)
-Increased Ground Spoiler deflection on ground (52 &raquo_space; 60 degrees)
-Sealed Slats for all Takeoff Flaps
-Reduced Ground Idle Thrust Delay (5 &raquo_space; 2sec)