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EC-225 > Limitations > Flashcards

Limitations Flashcards

0
Q

What is the minimum weight in flight

A

13228 lb (6000kg)

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1
Q

What are the operating temperature limits

A

From -30°C to ISA+40°C without exceeding 50°C

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2
Q

What is VNE power on

A

175 kts reducing by 3 kts for every 1000’ above 5000’

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3
Q

What is VNE power off

A

Same as VNE power on, but limited to 150 kts

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4
Q

What is the maximum N1 with the rotor brake applied

A

68%

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5
Q

What is the maximum Nr for rotor brake operation

A

45%

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6
Q

What is the minimum interval between 1st and 2nd rotor brake applications?

A

5 minutes

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7
Q

What is the minimum interval between the 2nd and 3rd rotor brake applications

A

15 minutes, including at least 10 mins of rotation

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8
Q

What is the maximum ground slope for shut down

A

Lateral- 5°

Longitudinal- 6° nose down, 10° nose up

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9
Q

What is max torque AEO above 60 kts

A

82.7%

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10
Q

What are the OEI torque ratings

A

HI= 78.4%
LO= 71.9%
CT=63.4%

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11
Q

What is max torque AEO below 40 kts

A

85.4%

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12
Q

At what TOT does engine starting automatically shut off

A

900°

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13
Q

What are the TOT limits AEO

A 
Transient= 847°
TOP= 801°
MCP= 754°
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14
Q

What are the TOT limits OEI

A

OEI LO= 847°

OEI CT= 814°

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15
Q

To what is TOT limited with a bleed valve failure

A

814° (same as OEI CT)

16
Q

What are the power on Nr limits

A

Max continuous= 103.8%
Minimum stabilised= 92.9%
Minimum transient= 83%

17
Q

What are the power off Nr limits

A

Max continuous= 109.5%
Max transient= 117%
Minimum < 100kts 83%
Minimum > 100kts 92.9%

18
Q

What are the aural warning thresholds

A

Above 109.5%

Below 95.5%

19
Q

What is the fuel pressure range

A

0.35-1.5 bar

20
Q

What is the max engine oil temp

A

110°C

21
Q

What is the engine oil pressure range

A

1.6-6 bar

22
Q

What is the operating temp range of the MGB

A

-10° to 128°C

23
Q

What is the minimum MGB pressure

A

0.4 bar

24
Q

What are the main hydraulic system pressures

A

Minimum- 110 bar
Nominal- 175 bar
Maximum- 210 bar

25
Q

What are the auxiliary hydraulic pressures

A

Minimum- 110 bar
Nominal- 175 bar
Maximum- 210 bar

26
Q

What are the angle of bank limits

A

Loss of hydraulics- 45°
Nr at 103.8%- 45°
Double boost pump failure- 30°

27
Q

What are the slope landing limits

A

Nose up- 12° but limited to 8° above 22050 lbs (10000 kg)
Nose down- 8°
Lateral- 8°

29
Q

What are the weight limits for the baggage compartment

A

Top- 550lb/ 100lb/sq’
Bottom- 550lb/ 150lb/sq’
Tail- 110lb/ 15lb/sq’
Combined weight between the shelf and floor must not exceed 770 lb

EC-225 (3 decks)

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