Section 2 Limitations

Question 1

What is the limitation when hovering downwind, with a cyclic trim failure (full forward)?

Answer 1

15 knots

Question 2

What are the approved doors off configurations?

Answer 2

All doors off, both rear doors off, any one door off.

Question 3

Max VNE for any of the doors off configurations

Answer 3

130 knots for gross weight of 2501 pounds or more and 120 knots for 2500 pounds or less.

Question 4

What is the maximum operating density altitude?

Answer 4

16,000 feet.

Question 5

What are the ambient temperature limitations?

Answer 5

From sea level to 6000ft pressure altitude the maximum engine air inlet ambient temperature is 54°C. From 6000 to 20,000 feet pressure altitude it varies linearly from 54°C to 27°C

Question 6

What is the VNE during autorotation?

Answer 6

131 knots or less.

Question 7

What is the normal flight VNE?

Answer 7

156 knots.

Question 8

What is the VNE when carrying less than 35 pounds of fuel?

Answer 8

130 knots

Question 9

What is the maximum gross weight?

Answer 9

3000 pounds.

Question 10

What is the minimum flying gross weight?

Answer 10

1538 pounds

Question 11

What is the Cargo deck weight capacity?

Answer 11

1300 pounds. No more than 115 pounds per square foot.

Question 12

What is the maximum allowable weight in the utility storage compartment?

Answer 12

50 pounds.

Question 13

What are the rotor speed limitations?

Answer 13

Power on: Minimum RPM is 487 (102% N2) Maximum: 492 RPM (103% N2) Power off: Minimum RPM is 410 (87% N2) Maximum: 523 RPM (109% N2)

Question 14

What is the maximum 5 minute takeoff torque limit?

Answer 14

87.2 psi

Question 15

What is the max continuous torque limits?

Answer 15

81.3 psi with TOT at or below 738°C 74.3 psi with TOT greater than 738°C

Question 16

What are the transient torque limits?

Answer 16

87.3 to 93.0 psi for 15 seconds at 103% N2 93.1 to 97.6 psi for 3 seconds at 103% N2

Question 17

Maximum 5 minute takeoff TOT?

Answer 17

810°C

Question 18

Maximum TOT before starting (light off)?

Answer 18

150°C

Question 19

Maximum continuous TOT?

Answer 19

755°C with torque at or below 74.3 psi 738°C with torque greater than 74.3 psi

Question 20

What are the TOT transient limits?

Answer 20

During start and shutdown 810°C and above for 10 seconds or less with a momentary peak temp of 927 for no more than 1 second

Question 21

What are the minimum and maximum N1 speed limits?

Answer 21

Minimum ground idle speed: 60% Maximum continuous: 105%

Question 22

What is the N1 transient limits?

Answer 22

106% for 15 seconds.

Question 23

When spooling up, what is the power turbine (N2) speed avoidance range?

Answer 23

71-88% no more than 1 second.

Question 24

What are the engine oil temp limits during flight operation?

Answer 24

0-107°C.

Question 25

What are the engine oil pressure flight operation limits?

Answer 25

50-130 psi range 50 psi below 79% N1 90 psi at 79% N1 115 psi at 94% N1 and above.

Question 26

Generator limits?

Answer 26

Max continuous 85 amps. 85-150 amps 10 minutes. Greater than 150 amps 2 minutes limit prior to takeoff during battery recharging cycle only.

Question 27

Starter limitations.

Answer 27

1minute on, 1 minute off. 1 minute on, 23 minutes off.

Question 28

What are the Minimum N1 speeds for starting? (introducing fuel)

Answer 28

-18°C and below 12%. -18 to 7°C 13%. 7°C and above 15%.