EC130 B4 Limitations

Question 1

Warning

Answer 1

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

Question 2

Caution

Answer 2

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

Question 3

The following are forbidden:

Answer 3

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 (except training and emergency)
Intentional VEMD shutoff in flight

Question 4

Weight Limits

Answer 4

Max weight 5350 lbs
Min weight 3307 lbs

Question 5

CG limits

Answer 5

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

Question 6

Power on and off Vne

Answer 6

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

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

Question 7

Vne with doors off

Answer 7

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

Question 8

Maximum Operating Altitude in Flight

Answer 8

Hp = 17000’
(With crash resistant fuel tanks)

Question 9

Temperature Limits

Answer 9

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

Question 10

Landing and Rotor Stopping Limitations on Slope

Answer 10

6 degrees nose up
6 degrees nose down
8 degrees sideways

Question 11

Maneuvering limitations load factor

Answer 11

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

Question 12

Main Rotor Limitations

Answer 12

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

Question 13

First Limitation Instrument

Answer 13

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

Question 14

Torque Limitations

Answer 14

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

Question 15

Engine Limitations (Nf)
Arriel 2B1

Answer 15

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

Question 16

Ng Limitations

Answer 16

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

Question 17

T4 Starting Limitations

Answer 17

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

Question 18

T4 Flight Limitations

Answer 18

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

Question 19

Engine Oil Temperature Limitations

Answer 19

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

Question 20

Engine Oil Pressure Limitations

Answer 20

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

Question 21

Electrical Circuit Limitations

Answer 21

31.5 V : Max voltage
150 A : Max current

Question 22

Baggage compartment load limitations

Answer 22

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

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

Question 23

Cabin Floor Load Limitations

Answer 23

Max distributed load of 62.5 lb/sq ft

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

Question 24

Starter/Generator Limitations

Answer 24

(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

Question 25

Headsets

Answer 25

Minimum of two in helicopter:

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

Question 26

Fuel capacity (with crash resistant tanks)

Answer 26

144 US Gal

Question 27

Minimum Voltage before Start

Answer 27

22V

Question 28

What does Hydraulic Manifold Do?

Answer 28

Directs
Regulates
Monitors
Filters

Question 29

How to conduct power check

Answer 29

• 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

Question 30

TOPS Limitations

Answer 30

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

Question 31

Inadvertent IMC procedure

Answer 31

• 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

Question 32

Time between rotor brake applications

Answer 32

5 minutes

Question 33

P2 air bleed limitations

Answer 33

Off for starting and stopping engine
Off for using power above MCP
Off for engine power check

Question 35

Vy

Answer 35

70kt at 0Hp (-1kt/1000’)