Limitations

Question 1

Max weight

Answer 1

4961lbs

Question 2

VNE POWER ON

Answer 2

Absolute - 155kts at 0 pressure altitude
Higher altitudes - reduce by 3 kt per 1000’
Cold weather - subtract 10 kts OAT BELOW -30C

Question 3

MAX OPERATING ALTITUDE

Answer 3

Post MOD 07-2810 (23000’)

Pre MOD 07-2810 (20000’)

Question 4

OPERATION TEMPS

Answer 4

Minimum - 40C

Max - 35 to +50

Question 5

MAIN ROTOR SPEEDS POWER ON

Answer 5

On ground - 380 +-5

Stabilized flight - 390 +4 -5

Question 6

MAIN ROTOR SPEEDS POWER OFF

Answer 6

Max - 430
Min - 320

Horn - continuous below 360 intermittent above 410

Question 7

FLI LIMITATIONS

Answer 7

Max continuous - 9.6
Take off zone (5min) - 9.6-10
Max takeoff : 10 (activation of power alarm)
Max transient: 10.4

Question 8

TORQUE LIMITATIONS

Answer 8

A/S less than 40kt:

• max transient torque (10s) 104%
• max continuous 100%

A/S equal to or greater than 40kt:
- max continuous 84%

Question 9

GAS GENERATOR SPEED (Ng - Delta Ng)

Answer 9

Max transient (less than 5sec)
- Delta Ng: +1 Ng 102.3%

Max takeoff rating (5min)
- Delta Ng: 0 Ng: 101.1% (P2 bleed air off)

Max continuous IAS <70kt
- Delta Ng: -4 Ng: 97.1%

Max continuous IAS >70kt
- Delta Ng: -4 Ng: 94.8

Question 10

T4 TEMP LIMITATIONS

Answer 10

Max for engine start: 750C
Max transient during start (10 sec max): 865C
Max takeoff: 915C
Max continuous: 849C

Question 11

FREE TURBINE SPEEDS

Answer 11

Max

• continuous: 418RPM
• transient limits (5sec max): 450rpm

Minimum: 349rpm

NOTE: A rotor speed of 394 corresponds to a free turbine speed of 39970 rpm

Question 12

ENGINE OIL PRESSURES AND TEMPS

Answer 12

Oil pressures

• normal pressure: 2 to 6 bar (29 to 87 psi)
• minimum pressure: 1.1 bar (15.9 psi)
• max pressure starting sequence: 9.8 bar (142.1psi)

Oil temps

• max 115C
• min 0C

Question 13

ELECTRICAL SYSTEM (DIRECT CURRENT)

Answer 13

Max voltage 31.5v
(Rated voltage range 26-29V)
Maximum current 150A

Question 14

LANDING LIMITATIONS

Answer 14

Slope landing

• nose up: 10 degrees
• nose down: 6 degrees
• sideways: 8 degrees

Sliding landing
Max speed for sliding 40 kt (except failures)