Limits

Question 1

Minimum flight crew

Answer 1

One pilot operating the helicopter from the right crew seat

Question 2

Maximum number of occupants

Answer 2

8 persons (including flight crew)

Question 3

Maximum gross mass

Answer 3

2910 kg

Question 4

Minimum gross mass

Answer 4

1500 kg

Question 5

Maximum allowable floor loading

Answer 5

600 kg/m2

Question 6

VNE (with external oxygen systems)

Answer 6

145 kt w/ oxygen systems

*Note that VNE changes with OAT and PA (higher temps and higher PAs reduce VNE)

Question 7

VNE for OEI operation

Answer 7

110 kt

Question 8

VNE for steady autorotation

Answer 8

90 kt

Question 9

VNE (above 2720kg)

Answer 9

140 kt

Question 10

Maximum operating altitude

Answer 10

20,000 ft PA

Question 11

Maximum operating altitude for hover
in ground effect / takeoff and landing

Answer 11

15,000 ft DA

Question 12

Maximum operating altitude for gross mass between 2720 - 2835 kg

Answer 12

12,000 ft PA

Question 13

Maximum operating altitude for gross mass above 2835kg

Answer 13

10,000 ft PA

Question 14

Ambient air temperature limitations

Answer 14

-35° C to 50° C (39° C ISA)

Question 15

Cockpit ventilation must be set to maximum when:

Answer 15

OAT is greater than 30° C

1. “Pull for Heating/Defog” lever - Push
2. “Pull for Air” lever - Pull
   —————OR—————-
3. AIR COND sw - On

Question 16

Flight into icing conditions is ____

Answer 16

prohibited

Question 17

Battery temperature limits (OAT)

Answer 17

For engine start-up at outside air temperatures below – 20 °C, using the aircraft battery, the aircraft battery shall be preheated to at least – 20 °C.

Question 18

WARNING: MAIN ROTOR LEAD–LAG RESONANCE MAY OCCUR IN WHAT RANGE?

Answer 18

60–68% ROTOR RPM

MAINTAIN THE CYCLIC STICK IN NEUTRAL POSITION AND THE COLLECTIVE IN FULL DOWN POSITION TO AVOID SEVERE DAMAGE OF THE MAIN ROTOR BLADES.

Question 19

Rotor RPM (Nr) Limitations - Power Off

Answer 19

• 80% - Minimum Continuous (1500 kg-1900 kg) - Red Radial
• 85% - Minimum Continuous (greater than 1900 kg)
• 106% - Maximum Continuous - Red Radial
• 112% - Maximum Transient (max. 20 s) - Red Dot

Question 20

Rotor RPM (Nr) Limitations - Power On

Answer 20

• 85 % - Minimum Transient (max. 20 s)
• 97% - Minimum Continuous (1500 kg-1900 kg)
• 97% - Minimum Continuous (greater than 1900 kg)
• 104% - Maximum Continuous

Question 21

RPM Warning Light and AUDIO Warnings

Answer 21

• Nr ≤ 97%: RPM light - On, Audio-tone - Intermittent Low, Reset - Yes
• Nr ≥106%: RPM light - Flashing, Audio-tone - Gong Low, Reset - Yes
• Nr ≥112%: RPM light - Flashing, Audio-tone - Continuous High, Reset - No

Question 22

Torque Limitations

Answer 22

0% - 69 %: Normal
69%: Max Continuous
70% - 78 %: Caution
78%: Max T/O Power AEO 5 MIN.(V ≤ Vy)
82%: Max AEO top 10 sec ( V ≤ Vy)
89.5%: OEI Max Cont.
125%: OEI 2.0 min
128%: OEI 30 sec

Question 23

TOT Limitations

Answer 23

Starting:
760°C: Starting Max
875°C: Starting transient for 2 sec
Operating Limits:
650°-835°C: Normal
835°C: Max Cont.
835°-869°C: Caution
869°C: Take off (5 MIN, V≤Vy)
900°C: OEI max cont.
950°C: OEI 2.0 min
990°C: OEI 30 sec

Question 24

N1 Limitations

Answer 24

97.4%: Max continuous AEO
98.7%: Max take-off AEO 5 min (v ≤ vy) (red radial).
100.4%: OEI max continuous (dashed yellow radial).
102.6%: 2.0 minute OEI (dashed red radial).
104.3%: 30 sec power OEI (long dashed red radial).

Question 25

N2 Limitations

Answer 25

85 %: Red dot 97 %: Red radial 97 % - 104 %: Green arc 104 %: Takeoff Power/AEO Max/OEI Max 104 % - 106 %: Yellow arc 106%: Partial power (max 2 x 10% tq) 106 %: Red radial 107%: Transient (5 sec) 112 %: Red dot 112 %: Transient (20 sec, aeo top, aeo mcp, oei mcp)

Question 26

Engine starter (Venting)

Answer 26

15 seconds ON 30 seconds OFF 15 seconds ON 30 seconds OFF 15 seconds ON 30 minutes OFF

Question 27

Maximum continuous load per generator

Answer 27

200 A

Question 28

Max current flow for 28V DC ground power units

Answer 28

700 A

Question 29

Instrument Markings

Answer 29

* GREEN ARC-NORMAL/ CONTINUOUS RANGE * YELLOW ARC-START, HOGE AND CAUTION RANGE * YELLOW DASHED RADIAL-OEI MAX CONT PWR * RED RADIAL-MINIMUM AND MAXIMUM LIMITS * RED DOT-TRANSIENT LIMITS * RED TRIANGLE-STARTING TRANSIENT LIMITS * RED DASHED RADIAL-2.5 MIN PWR OEI * RED CROSS-HATCHED RADIAL-NEVER EXCEED SPEED-POWER OFF

Question 30

Airspeed Range Markings

Answer 30

0 – 30 kts - CAUTION AREA (YELLOW ARCH). 30 – 155 kts - NORMAL (GREEN ARCH). 155 kts - MAXIMUM (RED RADIAL). 90 kts - POWER OFF VNE (RED X- HATCHED RADIAL).

Question 31

Main Transmission Oil Pressure

Answer 31

0.5 bar - Min 0.5- 7.8 bar - Cont. OPS 7.8 – 10 bar - Caution Range 10 bar - Max

Question 32

Main Transmission Oil Temperature

Answer 32

-45° – 0°C - Caution range 0°C - Min (for power application) 0° – 105°C - Continuous ops 105° – 120°C - Caution range 120°C - Max

Question 33

Engine Oil Temperature

Answer 33

–45°-10°C - Caution -35°C - Minimum for starting 10°C - Minimum for power application 10°-129.5°C - Continuous 129.5°C - Max

Question 34

Engine Oil Pressure

Answer 34

2.1 bar - MINIMUM 2.1 to 4 bar - CAUTION RANGE 4 bar to 8.5 BAR - CONTINUOUS 0 to 13.8 bar - FOR ENGINE STARTING 13.8 bar - MAX TRANSIENT (max 10 minutes) after start or if oil temp drops sig. below 71°C

Question 35

Slope Limitations (mast moment indicator operating properly)

Answer 35

Down Left: 14° Down Right: 14° Nose Down: 8° Nose Up: 12° Mast moment indicator INOP: 6° in all directions

Question 36

Rotor Starting and Stopping in High Wind

Answer 36

Up to max. 50 kt from all horizontal directions.

Question 37

Hover turn rate limitations

Answer 37

* Gross mass up to 2835 kg: max. 60°/s (6 seconds for a 360° turn) * Gross mass above 2835 kg and/or High NR mode activated aggressive pedal turns are forbidden): max. 30°/s (12 seconds for a 360° turn)

Question 38

Collective override stop

Answer 38

The required override control force at the beginning of the emergency range is approximately 25 Newton (5.6 pounds).