Limitations

Question 1

The maximum operating altitude for the EMB145 is

Answer 1

37,000 ft

Question 2

The takeoff and landing maximum altitude for the EMB145 is

Answer 2

8,000 ft

Question 3

What are the turbulent air penetration speeds

Answer 3

200 KIAS below 10,000 ft
250 KIAS/0.63 Mach whichever is lower above 10,000 ft

Question 4

The maximum takeoff and landing tailwind component for the EMB145 is

Answer 4

10 kts

Question 5

The maneuvering speed for the EMB145 is

Answer 5

200 KIAS

Question 5

The takeoff and landing minimum altitude for the EMB145 is

Answer 5

-1,000 ft

Question 6

What are the maximum operating weight limitations

Answer 6

Max Ramp Weight 48,722
Max Takeoff Weight 48,501
Max Landing Weight 42,549
Max Zero Fuel Weight 39,462

Question 7

What are the minimum and maximum temperatures for takeoff and landing

Answer 7

Minimum Temperature -40 Celsius
Maximum Temperature ISA +35 Celsius

Question 8

What is the maximum Mmo and Vmo

Answer 8

Mmo Mach 0.78
Vmo 250 KIAS to 8,000 ft, 320 KIAS above 10,000 ft

Question 9

What are the landing gear operating airspeed limitations

Answer 9

Vlo Extension 250 KIAS
Vlo for retraction 200 KIAS
Vle 250 KIAS

Question 10

What are the flap operating airspeed limitations

Answer 10

Vfe:
Flap 9 is 250 KIAS
Flap 18/22 is 200 KIAS
Flap 45 is 145 KIAS

Question 11

What is the maximum altitude for flap extension

Answer 11

20,000 ft

Question 12

What is the maximum airspeed after takeoff/landing climb without trimming the horizontal stab

Answer 12

160 KIAS

Question 13

What is the maximum airspeed to remove the DV windows

Answer 13

140 KIAS

Question 14

What is the maximum crosswind for a dry and wet runway

Answer 14

Dry and Wet 30 kts

Question 15

What is the maximum fuel tank temperature

Answer 15

52 Celsius

Question 16

What is the maximum wing fuel imbalance

Answer 16

800 Ibs

Question 17

What is the minimum fuel tank temperature

Answer 17

-40 Celsius

Question 18

What is the minimum fuel temperature at the FCOC without icing inhibitor

Answer 18

4 Celsius

Question 19

What is the maximum usable wing fuel

Answer 19

11,434 lbs

Question 20

What is the unusable fuel for the wing tanks

Answer 20

39 lbs per tank
Up to 365 lbs per tank (electric pumps inoperative)

Question 21

What is the maximum altitude for APU start

Answer 21

30,000 ft for C14 Post Mod
25,000 ft for Pre-Mod C11

Question 22

What is the maximum altitude for APU operation

Answer 22

37,000 ft

Question 23

What is the maximum APU rotor speed

Answer 23

108%

Question 24

What rotor speed causes an APU automatic shutdown

Answer 24

104% for C14 APU

Question 24

What is the maximum APU EGT for start

Answer 24

884 C for C11 and C14 except post Mod C11 may be exceeded up to 925 C for starts above 25,000 ft for 10 seconds

Question 25

What is the minimum battery temperature for APU start

Answer 25

-20 C

Question 26

What is the maximum continuous APU EGT

Answer 26

Continuous 680 C Continuous for 5 minutes maximum 717C May be exceeded up to 732 C for 3 seconds, for APU assisted in flight engine starting

Question 27

What are the APU start limitations

Answer 27

First 2 attempts - 1 minute off between starts, 3rd attempt - 30 minutes off (Repeat this sequence for each series of 3 starting attempts)

Question 28

What is the maximum engine N1

Answer 28

100%

Question 29

What is the maximum engine N2

Answer 29

102.4%

Question 30

What is the maximum ITT for engine start

Answer 30

800 C

Question 31

What is the maximum engine ITT for takeoff

Answer 31

948 C (5 minute maximum

Question 32

What is the maximum continuous engine ITT

Answer 32

901 C

Question 33

What is the minimum engine oil pressure

Answer 33

34 psi below 88% N2 50 psi above 88% N2

Question 34

What is the maximum engine oil pressure

Answer 34

95 psi for pre-mod aircraft and 110 psi for post Mod aircraft steady state with temperature greater than 21 C 110 psi (5 minute transient)

Question 35

What is the minimum engine oil temperature for N2 above 83%

Answer 35

40 C

Question 36

What is the minimum engine oil temperature for starting

Answer 36

-40 C

Question 37

What are the minimum and maximum oil temperatures for continuous operation

Answer 37

Minimum 21 C Maximum 126 C

Question 38

What are the engine start limitations

Answer 38

1st to 4th attempt - 1 minute on, 1 minute off 5th attempt - 1 minute, on 5 minute off

Question 39

What is the engine start limitation for dry motoring

Answer 39

Up to 5 minutes on 5 minutes off

Question 40

What is the engine warm up requirement

Answer 40

4 minutes for a cold engine 2 minutes for a warm engine

Question 41

When is an engine considered cold

Answer 41

When the engine has been shutdown for the more than 90 minutes

Question 42

What is the minimum engine oil temperature to increase N2 above 83%

Answer 42

40 C or run the engine for 8 minutes or run up the engine to 88% N2 and ensure oil pressure is equal or less than 83 psi

Question 43

What is the engine cool down requirement that must be met before engine shutdown

Answer 43

1 minute at idle and/or taxi speed before shutdown

Question 44

What is the maximum engine LP spool limitation

Answer 44

1.8 IPS

Question 45

What is the maximum engine HP spool limitation

Answer 45

1.1 IPS

Question 46

What is the maximum differential over pressure

Answer 46

8.1 psi

Question 47

What is the maximum differential pressure

Answer 47

7.8 psi

Question 48

What is the maximum differential negative pressure

Answer 48

-0.3 psi

Question 49

What is the maximum temperature for anti-icing operation

Answer 49

10 C

Question 50

What is the minimum temperature for manual anti-icing operation

Answer 50

-40 C

Question 51

What is the maximum altitude in icing conditions allowed for single engine or single bleed operations

Answer 51

15,000 ft

Question 52

What is the required configuration when holding in icing conditions

Answer 52

Landing gear up, flaps up, 200 KIAS minimum speed

Question 53

What conditions are considered icing conditions

Answer 53

10 C or less and visible moisture

Question 54

What is the minimum autopilot engagement height after takeoff

Answer 54

500 ft

Question 55

Autopilot coupled approaches are approved down to what altitude

Answer 55

200 ft AGL

Question 56

What are airplane load factor limitations for the flaps up and down

Answer 56

Flaps up -1.0G to 2.51G Flaps down - 0G to 2.0G