Limitations

Question 0

757-300 Weight Limits
Maximum Values for:
Taxi Mass
T/O Mass
Ldg. Mass
Zero Fuel Mass

Answer 0

Max Taxi Mass 122.923kg

Max T/O Mass 122.469kg

Max Ldg. Mass 101.604kg

Max ZFM 96.025kg

Question 1

What are the values on the Boeing 767 (UA-UI & UZ) for
Max Taxi Mass?
Min Takeoff Mass?
Max Takeoff Mass?
Max Landing Mass?
Max Zero Fuel Mass?

Answer 1

Max Taxi Mass 185.500 kg
Min Takeoff Mass 99.800 kg (no performance values below available)
Max Takeoff Mass 184.600 kg
Max Landing Mass 145.100 kg
Max Zero Fuel Mass 132.100 kg

Question 2

What is the minimum and maximum ILS glide slope angle for automatic landing?

Answer 2

For AUTOMATIC Landings:
Minimum ILS glideslope angle is 2,5 degrees.
Maximum ILS glideslope angle is 3,1 degrees.

Question 3

What is the minimum and maximum glideslope angle for manual landings?

Answer 3

For manual landings the minimum glideslope angle is 2.2° and the maximum glideslope angle is 4.0°.

Question 4

What is the maximum approved altitude for
A) B757?
B) B767?

Answer 4

Max. altitude for
A) B757 is 42.000ft
B) B767 is 43.000ft

However limit altitude to 39.000ft on B757-200 to reduce occurrence of pack overload.

Question 5

What is the maximum runway slope limit?

Answer 5

The runway slope limit is +/- 2.0°

Question 6

What is the max. allowable fuel imbalance between left and right main tanks on the B757?

Answer 6

Max. allowable fuel imbalance (left/right maintanks) is 800 kg.

Question 7

What is the max. tire speed?

Answer 7

204 kts.

Question 8

Describe the starter duty cycle for the RollsRoyce Engines on the B757.

Answer 8

Normal starter cycle:
Up to 2 min operation, then rundown to 0% N3.
This can be done 3 consecutive times before you need a 15 min cooling time.
Extended starter cycle:
Up to 4 min operation, followed by a 15 min cooling time.

Question 9

What is the minimum engine oil quantity?

Answer 9

16

Engines are monitored by maintenance, troubleshooting my override this limit even for extended range ER operation.

Question 10

What is the minimum APU oil value?

Answer 10

Verify EICAS APU oil indication is 0,75 or more.

APU not running or running stabilized for more than 5 min.

Question 11

What is the recommended starting pressure for the engine start?

Answer 11

30 PSI is recommended.
Value may be decreased by 0,5 PSI per 1000 ft above MSL.
Use caution during engine start with less than 30 PSI.

Question 12

What is the definition of a “Long Range Navigation System”?

Answer 12

Either:
1 IRU in NAV mode and 1 associated MCDU
or:
1 IRU in NAV mode, 1 FMC and 1 CDU

Question 13

What is the maximum Tailwind Component
for Takeoff?
for Landing?

Answer 13

For T/O 15 kts
For Ldg 15 kts

For more than 5 kts TWC refer to OM A 8.3.4.5.1 “on CDRs discretion…”

Question 14

During AUTOLAND:
max HWC?
max CWC?
max TWC?

Answer 14

max 25 kts HWC
max 25 kts CWC
max 15 kts TWC

757-300 mit Flaps 30 nur 12 kts TWC mit Flaps 25 15kts

Question 15

Pressurization:

What is the max. Operating Differential Pressure?

Answer 15

Max. Operating Differential Pressure is 9,1 psi.

Question 16

At which altitude may the autopilot be engaged after takeoff?

Condor/TCUK Aircraft

Answer 16

After takeoff the autopilot must not be engaged below 200 ft AGL (Condor aircraft), respectively 500 ft (TCUK aircraft).

Use of aileron trim with autopilot engaged is prohibited.

Question 17

Do not extend flaps above … ft.

Answer 17

Do not extend flaps above 20,000 ft.

Question 18

Max. Fuel Capacity B757-300
Main Tank
Center
Total

Answer 18

Main Tank 6.750 kg (each)

Center Tank 21.300 kg

Total Capacity: 34.800 kg

Question 19

Max. Fuel Capacity B767-300 ( UZ and US slightly more)
Main Tank

Center Tank

Total Capacity

Answer 19

Main Tank 18.400 kg (each)

Center Tank 36.500 kg

Total Capacity 73.300 kg

Question 20

What is the turbulence penetration speed for B757/767 aircraft?

Answer 20

The turbulence penetration speed is M 0.78/290 kts whichever is lower.

Question 21

B757-300
Max. Starting EGT ground/flight?
Max EGT for T/O and G/A?
Max. Continuous EGT?
Overteperatur?

Answer 21

B 757-300
Max starting EGT GND/FLT is 570°C. (momentary/2 sec)
Max EGT for T/O & G/A is 877°C for 5min (10 with engine failure).
Max CONT EGT is 795°C.
Overtemperature is 897°C for max 20 sec.