ERJ 175 Limitations

Question 1

Max Ramp Weight?

Answer 1

85,870

-420 for LL

Question 2

Max take off weight

Answer 2

85,517

-420 LL

Question 3

Max Landing Weight

Answer 3

74,957

Question 4

Max Zero Fuel Weight

Answer 4

69,886

-420 LL

Question 5

Min Runway Width

Answer 5

100 Ft

Question 6

Min runway width cleared?

Answer 6

80 ft

Question 7

Min Taxi Width

Answer 7

50 Ft

Question 8

Wing Span / Length / Tail Height

Answer 8

93’ 11” / 103’ 11” 32’ 4”

Question 9

Max Operations

Answer 9

41,000

Question 10

Max T/O and Land

Answer 10

10,000 but our QRH only provides data up to 8,000

Question 11

Max Temp T/O and Land

Answer 11

ISA + 35 (52ºC)

Question 12

Min Temp T/O and Land

Answer 12

-40ºC

Question 13

Rwy Slope

Answer 13

+/-2%

Question 14

Max Tail Wind

Answer 14

15 kts

Question 15

Max Single Pack Operations

Answer 15

31,000

Question 16

Max Landing gear retraction / extension

Answer 16

250 kts

Question 17

V tire

Answer 17

195

Question 18

V rat

Answer 18

Min to deploy - 150kts

Min to generate electrical power 130 kts

Question 19

Turbulence Penetration Speed (Vb)

Answer 19

Below 10,000 - 250 kts

Above 10,000 - 270 / .76 (whichever is lower)

Question 20

V wipers

Answer 20

250 knots

Question 21

V window

Answer 21

160 knots

Question 22

Flap speeds

Answer 22

1 - 230
2 - 215
3 - 200
4 | 5 - 180
Full - 165

Question 23

Max Crosswind Takeoff

Answer 23

Dry - 38
Wet - 31
Compact snow - 20
Dry Snow -> Standing Water - 18
Ice - 12

Question 24

Crosswind Limitations Landing

Answer 24

RCC 6 - 38
RCC 5 - 31
RCC 4 - 20
RCC 3 -15
RCC 2 - 12
RCC 1 -8
RCC 0 - N/A

Question 25

Is a static takeoff with a crosswind component greater than 25kts advisable?

Answer 25

No, not recommended due to compressor stall possibility

Question 26

Max altitude Slats / Flaps Extended

Answer 26

20,000

Question 27

Cat II Flap and Wind Limitations

Answer 27

Flap 5, 12 kts

Question 28

What are the flap settings for go around flaps?

Answer 28

Flap 5 - Flap 2

Flap Full - Flap 4

Question 29

Battery Limitations

Answer 29

Min voltage 22.5
21-22.4 the batteries can be charged using any AC source including engine taxi (table in SOPM expanded safety and power up checklist)
Below 21 write it up

Question 30

Engine start limitations

Answer 30

GROUND
Starts 1 & 2 - 90 seconds on, 10 seconds OFF
Start 3 - 5, 90 seconds on, 5 minute OFF
AIR
1&2 - 120 seconds on, 10 seconds OFF
2-5 120 seconds on, 5 minutes OFF

Question 31

Dry Motoring Limits

Answer 31

1 - 90 seconds ON, 5 minutes OFF
2-5 30 seconds ON, 5 Minutes OFF
After 5 sequential attempts, the process may be repeated following a 15 minute cool down period

Question 32

Can you take off without ATTCS armed?

What do you do if it’s armed on take off but it doesn’t activate?

Answer 32

No, abort the takeoff

Question 33

Max Fuel Capacity

Answer 33

20,935

Question 34

Max Fuel Imbalance

Answer 34

794

Question 35

Min fuel temp

Answer 35

-37ºC

Question 36

Can you take off with the FUEL IMBALANCE EICAS message?
When will the EICAS message populate?
When will it extinguish?

Answer 36

Yes. As long as the imbalance does not exceed 794 lbs

The EICAS message illuminates at 800 lbs and will extinguish at 100

Question 37

Can you land with the Fuel Crossfeed On?

Answer 37

No - it must be off for takeoff and landing. This is essential when we do Single engine approaches and missed approaches

Question 38

How long after establish power to the aircraft do you need to wait to start the APU?
How long can you leave the aircraft with the APU running?

Answer 38

30 seconds - after verifying there are no fire protection faults
5 minutes

Question 39

APU Start Cycle

Answer 39

1&2 6 seconds off

3 - 5 minutes off

Question 40

APU Start temperature limitations

Answer 40

Min - -54ºC

Max ISA + 35

Question 41

Max APU Start Altitude

Answer 41

30,000

Question 42

Max APU use Altitude

Answer 42

33,000

Question 43

Max Electrical Generator Use Altitude

Answer 43

33,000

Question 44

Max APU engine start altitude?

Answer 44

21,000

Question 45

Max APU bleed use?

Answer 45

15,000

Question 46

Pressurization Limits:
Max Differential Pressure?
Max Differential Over Pressure?
Max Differential Negative Pressure?
Max Differential Pressure for T/O and Landing?

Answer 46

8. 4
9. 8
   - 0.5
10. 2

Question 47

Min Hydraulic Reservoir Temp for Engine Start?

Answer 47

-18ºC

Question 48

Max Brake Temp for T/O?

Answer 48

Green

Question 49

After selecting reverse thrust, what do you need to see in order to move the thrust reversers back into the forward range?

Answer 49

REV in amber or green

Question 50

When is use of the thrust reversers prohibited?

Answer 50

During normal taxi and for power back

Question 51

When do you need to select Anti Ice to Engine? When are the bleeds providing Anti Ice to the engines?

Answer 51

When the outside air temperature is between 5-10ºC and visible moisture up to 1700 AFE, or when operating on ramps, taxiways or runways with surface snow, ice, standing water, or slush that may be ingested by or freeze on the engines, nacelles or sensor probes.
Anti Ice is provided on engine start.

Question 52

When do you need to select Anti Ice to ALL? When are the bleeds providing Anti Ice to the engines and the wings?

Answer 52

Anti Ice needs to be set to all when the OAT is less that 5ºC and visible moisture up to 1700 AFE, or when operating on ramps, taxiways or runways where surface snow, ice ,standing water or slush may be ingested by or freeze on the engines or probes.
Engine anti ice turns on with engine start; the engine bleeds are commanded open and heat the 3 outboard leading edges of the wings when wheel speed is above 40 kts.

Question 53

Autopilot limitations:
Min engagement?
Min use?
Min use non-precision approach?

Answer 53

400’
50’
MDA