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Commutair E145 Jan 2019 > Limitations > Flashcards

Limitations Flashcards

1
Q

Max ramp weight?

A

53351

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2
Q

Max takeoff weight?

A

53131

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3
Q

Max landing weight

A

44092

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4
Q

Max zero fuel weight

A

40785

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5
Q

What is Va (Maneuvering speed)

A

200 KIAS

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6
Q

What is Vlo for retraction?

A

200 KIAS

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7
Q

What is Vlo for extension?

A

250 KIAS

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8
Q

What is Vle?

A

250 KIAS

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9
Q

What is Vfe flaps 9?

A

250 KIAS

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10
Q

What is Vfe flaps 18?

A

200 KIAS

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11
Q

What is Vfe flaps 22?

A

200 KIAS

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12
Q

What is Vfe flaps 45?

A

160 KIAS

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13
Q

Max takeoff and landing TAILWIND component?

A

10 kts

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14
Q

Max usable fuel quantity per tank?

A

844.9 gal

5717 lbs

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15
Q

Unusable fuel quantity per tank?

A

5.8 US gal

39 lbs

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16
Q

Max usable fuel quantity, ventral tank?

A

275.3 US gal

1863 lbs

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17
Q

Unusable fuel quantity, ventral tank

A

3.1 US gal

21 lbs

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18
Q

Max fuel imbalance between tanks?

A

800 lbs

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19
Q

Fuel system notes

A

When the EICAS fuel quantity is zero in level flight, any fuel remaining in the tanks cannot be used safely for flight.

Unusable fuel increases to 365 lbs per tank of any of the associated electric fuel pumps is inop

When performing pressure refueling, the usable fuel quantity in each tank may be reduced by 13.2 US gal max.

6.767 lb/US gal used for calculations

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20
Q

Min fuel tank temperature?

A

-40 C

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21
Q

Max fuel tank temp

A

52 C

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22
Q

Min temp for APU?

A

-54 C

up to 30,000
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23
Q

Max altitude for APU start?

A

30,000 ft

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24
Q

Max operational altitude of the APU?

A

37,000 ft

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25
Q

Max rotor speed for APU?

A

108% (4)

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26
Q

Max APU start temp?

A

884 C

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27
Q

Max continuous APU temp?

A

680 C (5)

May be exceeded up to 717 C for 5 minutes max.

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28
Q

What is the min battery temp for APU start?

A

-20 C

29
Q

When will APU Model T-62T-40C14 be automatically shut down?

A

104% rotor speed

30
Q

What are the APU starting limits for cooling period between each starting attempt?

A

Cooling period between each starting attempt

Between 3 consecutive attempts: 1 minute off
Between 2 series of 3 consecutive attempts: 30 minutes off

31
Q

What type of engines do we have on the ERJ-145 XR model?

A

Rolls-Royce AE3007A1E

32
Q

What takeoff thrust modes are allowed for takeoff at C5?

A

E T/O, T/O, and ALT T/O-1

33
Q

What are the starter limits on the ground?

A

Starter or dry motoring - up to 5 minutes on, 5 minutes off
OR
First to Fourth cycles - 1 minute on, 1 minute off
Following cycles- 1 minute on, 5 minutes off

34
Q

What are the starter limits in flight?

A

Max continuous operation time - 5 minutes on

Note: no cool down time is required should an in-fight start be reattempted

35
Q

ENGINE WARM UP

A

Prior to takeoff, the engines must be run at low thrust to stabilize engine temps before takeoff thrust is selected.

After start, the engines must run at idle or taxi thrust for at least 4 minutes for cold engines or 2 minutes for warm engines.

Before takeoff, to increase N2 above 83% the engine oil temp must be at 40 C min. In lieu of the limit it is acceptable to run the engine for at least 8 minutes in idle or taxi thrust and make sure temp is at least 21 C

36
Q

The engine is considered cold if it has been shutdown for how long?

A

More than 90 minutes

37
Q

How long must the engines run at taxi or idle thrust before shutdown to cool down?

A

2 minutes

38
Q

Max temp for anti-icing operation?

A

10 C

39
Q

Min temp for manual anti-icing op?

A

-40 C

40
Q

What configuration must the aircraft maintain in a hold?

A

Landing gear UP
Flaps UP
min airspeed 200 KIAS

41
Q

Max airspeed for windshield wiper operation?

A

170 KIAS

42
Q

Max load on main generator?

A

400a

43
Q

Max load on APU generator?

A

Up to 30,000 - 400A

Above 30,000- 300A

44
Q

Max battery temp?

A

70 C

45
Q

Max differential pressure?

A

7.8 psi

46
Q

Max differential over pressure?

A

8.1 psi

47
Q

Max differential negative pressure?

A

-0.3 psi

48
Q

Max altitude for flap extension?

A

20,000 ft

49
Q

What is the minimum decision height altitude during an ILS approach in regards to the autopilot?

A

200 ft AGL

50
Q

What is the minimum height after takeoff to engage the autopilot?

A

500 ft

51
Q

Minimum use height of the autopilot?

A

160 ft

52
Q

Malfunction altitude loss of autopilot (3)?

A

Cruise - 80 ft
Maneuver - 40 ft
ILS approach - 35 ft

53
Q

Descent below MDA on a non- precision approach with autopilot engage is

A

PROHIBITED

54
Q

Single-engine go around with autopilot engaged is

A

PROHIBITED

55
Q

Approach mode selection during localizer capture is allowed only when??

A

Airplane is inbound

56
Q

Autopilot coupled go-around height loss may be ___?

A

40 ft

57
Q

What are the max engine vibration limits?

A

HP Spool 1.1

LP Spool 1.8

58
Q

What are the oil pressure limits for N2 over 88%?

A

Min: 48psi
Max: 110psi

59
Q

What are oil pressure limits below 88%?

A

Min: 34psi
Max: 110psi

60
Q

What are the oil temp limits?

A

Min: 21 C
Max: 126 C

61
Q

ITT Max continuous?

A

935 C

62
Q

ITT Max in all modes?

A

970 C for 5 Min

992 C for 90 seconds

63
Q

ITT Max start temp?

A

800 C

64
Q

Min total air temp in cruise above 25,000

A

-45 C

65
Q

N1 max

A

100 %

66
Q

N2 max

A

103.7 %

67
Q

What are the stabilized approach criteria?

A

constant airspeed, constant angle, constant rate of descent approach

From 1000’ above TDZE:
  Final landing configuration
  On glide path w/ descent of 1000’ fpm or less
  On correct lateral path
  Airspeed trending toward Vapp
From 500’ above TDZE:
  Vapp -0 to +-10

Go around will be immediately initiated

68
Q

Max capacity baggage compartment?

A

2,646 lbs

69
Q

To load the baggage compartment above 1764 lbs, what conditions must be met?

A
  1. Aircraft shall be fueled above 2000 lbs.

2. Only one person may be inside the baggage compartment (or rear electronic compartment).

Commutair E145 Jan 2019 (19 decks)

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