EC130 B4 Limitations Flashcards

1
Q

Warning

A

An operating procedure or practice, which if not correctly followed, could result in personal injury or loss of life.

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2
Q

Caution

A

An operating procedure or practice which, if not strictly observed, could result in damage/destruction to helicopter parts or equipment.

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3
Q

The following are forbidden:

A

Aerobatic maneuvers
Engine starting with snow/ice around intake
Flight in falling snow without sand filter
Flight in freezing rain or icing conditions
In flight use of twist grip control
Intentional VEMD shutoff in flight

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4
Q

Weight Limits

A

Max weight 5350 lbs
Min weight 3307 lbs

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5
Q

CG limits

A

Longitudinal weight dependent. See chart.
Lateral 3.94 inches both left and right

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6
Q

Power on and off Vne

A

Power on: 155 kt at Hp=0 (less 3 kt per 1000’)

Power off: 125 kt at Hp=0 (less 3 kt per 1000’)

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7
Q

Vne with doors off

A

70 kt - LH sliding door operating in flight
80 kt - LH sliding door open-locked
110 kt - LH sliding door removed
90 kt - LH sliding door removed or locked and RH, LH, or both doors removed

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8
Q

Maximum Operating Altitude in Flight

A

Hp = 17000’
(With crash resistant fuel tanks)

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9
Q

Temperature Limits

A

Min temp: -20 deg c
Max temp: ISA +35 deg c or max 50 deg c

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10
Q

Landing and Rotor Stopping Limitations on Slope

A

6 degrees nose up
6 degrees nose down
8 degrees sideways

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11
Q

Maneuvering limitations load factor

A

Don’t exceed load factor that makes the “LIMIT” light come on

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12
Q

Main Rotor Limitations

A

170 rpm: Rotor brake max speed
320 rpm: Min power off
320-375 rpm: Caution range
375-405 rpm: Normal operating range
405-430 rpm: Caution range
430 rpm: Max power off

Aural warnings:
Low: Under 360 rpm
High: Over 410 rpm

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13
Q

First Limitation Instrument

A

9.6 = Max continuous
9.6-10 = Takeoff power
10 = Max takeoff
10.4 = Max transient

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14
Q

Torque Limitations

A

92.7% Max continuous
92.7%-100% Takeoff power below 40 kt
100% Max takeoff
104% Max transient (5 seconds)

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15
Q

Engine Limitations (Nf)
Arriel 2B1

A

349 rpm: Minimum
349-418 rpm: Normal operating range
418 rpm: Max continuous
450 rpm: Max transient limit (5 seconds)

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16
Q

Ng Limitations

A

Ng 67% : Min stabilized speed
Delta Ng -4% : Max continuous
Delta Ng -4% to 0% : Takeoff power
Delta. Ng 0% : Max takeoff
Delta Ng +1% : Max transient (5 seconds)

100% Ng = 52110 rpm

17
Q

T4 Starting Limitations

A

750 deg C = Max continuous
865 deg C = Max transient (10 seconds)

18
Q

T4 Flight Limitations

A

849 deg C = Max continuous
849 to 915 deg C = Takeoff power
915 deg C = Max takeoff
941 deg C = Max transient (20 seconds)

19
Q

Engine Oil Temperature Limitations

A

-10 C to 0 C : Caution range (minimum 0 C before power application)
115 C : Max temperature

20
Q

Engine Oil Pressure Limitations

A

1.1 bar : Min pressure
1.1 to 2 bar : Caution range
6 to 9.8 bar : Caution range
9.8 bar : Max pressure

21
Q

Electrical Circuit Limitations

A

31.5 V : Max voltage
150 A : Max current

22
Q

Baggage compartment load limitations

A

RH cargo: 287 lbs
LH cargo: 342 lbs
Both limit (62.5 lb/sq ft)

Rear cargo: 176 lbs (30 lb/sq ft)

23
Q

Cabin Floor Load Limitations

A

Max distributed load of 62.5 lb/sq ft

Rear cabin floor: 1091 lbs
Forward left cabin floor: 893 lbs

24
Q

Starter/Generator Limitations

A

(Starter time is the time between starter selector “ON” and engine igniting)

To prevent starter overheating:

30 seconds ON
60 seconds OFF
30 seconds ON
60 seconds OFF
30 seconds ON
30 MINUTES OFF

25
Q

Headsets

A

Minimum of two in helicopter:

One worn by pilot (required for audio warnings)
One spare

26
Q

Fuel capacity (with crash resistant tanks)

A

144 US Gal

27
Q

Minimum Voltage before Start

A

22V

28
Q

What does Hydraulic Manifold Do?

A

Directs
Regulates
Monitors
Filters

29
Q

How to conduct power check

A
  • Raise collective to above 9 on FLI
  • Note Ng value
  • Push button on collective twice
  • Check for “good” result

To view power check later:

  • Turn off VEMD screens
  • Turn on screen 2 then immediately hold [Scroll] + [Reset] until “release keys” is displayed
30
Q

TOPS Limitations

A

> 500’ AGL
30 deg bank, 10 deg pitch
No thrill ride, aerobatic, NOE

31
Q

Inadvertent IMC procedure

A
  • Get on instruments
  • Level aircraft, safe airspeed
  • Climb to MEF for area (8500’)
  • Las Vegas approach 119.4
    • Confess
    • Declare urgent
    • Position, Altitude, Fuel on board, Souls on board, Nature of emergency
    • Comply with instructions
32
Q
A