B777 Limitations Exam

A # denotes limitations that need to be committed to memory in particular. The Operations Manual Part B always takes precedence - these notes may be inaccurate.

Regarding OEI Cruise Speed, what is the assumed speed?

435kt TAS

Regarding cargo door wind limits - whats the limit to open or close, and to keep open?

40kt to open/close, do not keep open beyond 65kt.

Regarding maximum occupants?

10 maximum.

Regarding runway slope, maximum acceptable?

± 2%

Maximum operating altitude?

43,100ft pressure altitude

Maximum takeoff and landing altitude?

9,800ft pressure altitude.

Maximum takeoff and landing tailwind? #

15kt

Regarding runway contamination with a depth greater than the maximum, what width must it be cleared to?

One that includes the runway edge lights.

Maximum pitch attitude on takeoff?

25 degrees

Maximum airspeed?

350kt IAS, or 0.89IMN

Maximum taxi speed?

30kt

Maximum altitude with flap extended? #

20,000ft #

Flap setting for landing?

Flap 25 or 30 for normal landing.

Regarding doors being armed?

Must be armed with handle in ARMED prior to taxi, takeoff, and landing whenever supernumeraries are carried.

Maximum altitude where APU can supply pneumatic pressure?

Up to 22,000ft

Maximum altitude where APU can supply electrical power?

At any altitude

How to calculate maximum rate of climb?

Approximated by Flaps Up Manoeuvre Speed + 60 KIAS until intercepting M0.82. FMC does NOT provide best rate climb speeds.

How to calculate maximum angle climb?

No need to calculate - found in VNAV CLB page of FMC.

Maximum precipitation depth allowable on runway for takeoff? DRY SNOW

60mm

Maximum precipitation depth allowable on runway for takeoff? STANDING WATER, WET SNOW, OR SLUSH

12mm

Can you take off on wet ice?

Takeoff on wet ice is NOT to be attempted regardless of reported braking action.

Braking action limitations for Takeoff?

• Section 1 - Poor

• Section 2 - Medium/Poor

• Section 3 - Medium/Poor

Braking action limitations for Landing?

• Section 1 - Poor

• Section 2 - Medium/Poor

• Section 3 - Medium/Poor

Flight Manoeuvring Load Acceleration Limits - FLAPS UP

+2.5g to -1.0g

Flight Manoeuvring Load Acceleration Limits - FLAPS DOWN

+2.0g to 0.0g. With flaps 25 and 30, positive limits vary linearly from +2.0g at maximum landing weight to +1.5g at maxiumum takeoff weight.

Severe Turbulent Air Penetration Speed - BELOW 25,000ft #

270kt.

NOTE: Maintain a minimum of 15kt above minimum maneuvring speed at all altitudes when airspeed is below 0.82 mach. #

Severe Turbulent Air Penetration Speed - ABOVE 25,000ft #

280kt or 0.82 Mach.

NOTE: Maintain a minimum of 15kt above minimum maneuvring speed at all altitudes when airspeed is below 0.82 mach. #

Maximum Takeoff Crosswind Limit?

40kt including gusts.

Maximum Landing Crosswind Limit?

45kt including gusts.

Can you operate HF radios during refuelling? #

Do NOT operate HF radios during refuelling operations. #

APU Starter Duty Cycles?

The cycle for the electrical starter motor and air turbine starter is 3 start attempts in a 60 minute period each.

Maximum altitude for APU start attempts?

APU starts may be attempted at any altitude.

FLCH Altitude Limit on final approach? #

Do not use FLCH on final approach below 1000ft. #

RVSM Altimeter Cross Check Limits

Prior to Takeoff, maximum allowable difference is 75 between altimeter and field elevation.

Does the Standby Altimeter meet RVSM accuracy requirements?

No.

What is the Maximum Taxi Weight? (MTW)

348,358kg

What is the Maximum Takeoff Weight? (MTOW)

347,451kg

What is the Maximum Landing Weight? (MLW)

260,815kg

What is the Maximum Zero Fuel Weight? (MZFW)

248,115

What is the minimum in-flight weight? (Don’t confuse with Minimum Flight Weight)

132,903kg

What is the Minimum Flight Weight? (Don’t confuse with Minimum In-Flight Weight)

154,222kg

Maximum Hold Weight Limitations - FWD HOLD

30,617kg

Maximum Hold Weight Limitations - REAR HOLD

22,226kg

Maximum Hold Weight Limitations - BULK HOLD

4082kg

Maximum Hold Weight Limitations - MAIN CARGO DECK

48.487kg

Last Minute Changes - Payload, Fuel, and CG

Payload ±500kg, Fuel ± 2,000kg, ± 1% CG

Maximum Differential Pressure - Relief Valves

9.10psi

Maximum Allowable Cabin Pressure Differential for T/O and Landing?

0.11psi

APU to Pack Takeoff Altitude Limit?

APU to Pack T/O is prohibited at Airport Pressure Altitudes above 6900ft

Minimum Altitude for Autopilot? #

200ft AGL #

Is use of aileron trim permitted with the autopilot engaged? #

No #

Minimum height to disengage autopilot without LAND 2 or LAND 3 annunciated? #

200ft #

For airport elevations above 8,500ft, what is the lowest you can use the autopilot to land? #

100ft RADIO ALTITUDE #

Maximum Allowable Wind Speed for Automatic Landing: Headwind #

25kt #

Maximum Allowable Wind Speed for Automatic Landing: Tailwind #

15kt #

Maximum Allowable Wind Speed for Automatic Landing: Crosswind #

25kt #

Maximum and Minimum Glide Slope Angles for Autoland: #

3.25deg maximum, 2.5deg minimum. #

Permissible flaps for landing with Autoland?

Flap 20, 25, or 30.

How many hydraulic systems must be operating for an autoland?

2

When should LAND 2 or LAND 3 status be verified?

500ft AGL

Are overweight landings recommended?

Autopilots on Boeing aeroplanes are not certified for automatic landings above MLW.

Minimum engine oil temperature?

Above the bottom of the scale.

Maximum Engine RPMs?

N1: 110.5%
N2: 121%

Minimum Engine Oil Pressure?

10 psi

Regarding reverse thrust, where can it be used? #

On the ground only. Selection of reverse thrust in flight is prohibited. #

Can you back the aeroplane with reverse thrust? #

No. #

Permissible fuels?

Jet A, Jet A1, JP-5, and JP-8 or any mixture of these.

Fuel density?

0.8029 kg/l

Maximum fuel temperature?

49c

Minimum fuel temperature?

-40c, or 3c above the fuel freezing point.

Fuel loading limits? L or R Main Tanks

31,300kg

Fuel loading limits? Centre Tank

82,900kg

Up to what flap setting can you extend the speedbrakes?

Up to flap 5. Beyond this may cause buffeting. Speedbrakes should be retracted before 1000ft AGL.

Flap Placard Speeds?

Flap 1: 265kt

Flap 5: 245kt

Flap 15: 230kt

Flap 20: 225kt

Flap 25: 200kt

Flap 30: 180kt

Are rapid and large alternating control inputs permissible? #

No, especially in combination with large changes in pitch, roll, or yaw. They may result in structural failure at ANY speed. #

Landing Gear Placard Speed: Retraction

270kt

Landing Gear Placard Speed: Extension

270kt

Landing Gear Placard Speed: Extended

270kt

Can you turn on weather radar in a hangar? #

No. #

Can you turn on weather radar when personnel are in the area normally enclosed by the radome…? #

No. 😱 #