Limitations

Question 1

Max. Gross Weight B2+B3

Answer 1

B2:
4961 lbs. internal
5512 lbs. with external load

B3:
4961 lbs. internal
6173 lbs. with external load

B3E:
5225 lbs. internal
6173 lbs. with external load

Question 2

AC Dimensions

Answer 2

Main Rotor dia. 35.07 ft
Tail Rotor Dia. 6.1 ft

Question 3

VNE (Doors on)

Answer 3

155 kts VNE power on
125 kts VNE power off
80 kts VNE sling load
Note: reduce VNE by 3 kts/1000 ft PA

Question 4

VNE (Doors off)

Answer 4

Both left 100 kts
Both right 110 kts
Left pocket 155 kts
Right pocket 155 kts
Both pocket 110 kts
All off 110 kts
Note: reduce VNE by 3 kts/1000 ft PA

Question 5

Main Rotor Speed

Answer 5

Ground 380 +- 5
Flight 390 +4 -5
Autorotation 320 - 430
Low rotor horn < 360 (steady horn)
High rotor horn > 410 (intermittent horn)

Question 6

Max. Torque B2+B3

Answer 6

B2:
Above 40 kts: 94% (615 shp)
Below 40 kts: 100% (655 shp)
Transient (10 sec): 107% (700 shp)

B3:
Above 40 kts: 92.7%
Below 40 kts: 100%
Transient (10 sec): 104%

Question 7

Gas Generator Speed Limits (NG) B2+B3

Answer 7

B2:
Min stabilized speed (IDLE): 70%
Max continuous: 98% -3.5 Delta
Max T/O power (5 min): 101.8% -0 Delta
Transitory (5 sec): 107.5 % +6 Delta

B3:
Min stabilized speed (IDLE): 70%
Max continuous: 97.1%
Max T/O power (5 min): 101.1%
Transitory (5 sec): 102.3%

Note: Max NG speeds may be less depending on PA & OAT

Question 8

Exhaust Gas Temperature Limits (T4) B2+B3

Answer 8

B2:
Max Continuous: 795 °C
Max T/O (5 min): 845 °C
Max for Starting: 865 °C (5 sec max above 795 °C)

B3:
Max Continuous: 849 °C
Max T/O (5 min): 915 °C
Max for Starting: 865 °C (10 sec max above 750 °C)

Question 9

Free Turbine Speed Limits (NF) B2+B3

Answer 9

B2:
Max Continuous: 417 RPM
Transient (5 sec): 463 RPM
Minimum: 330 RPM

B3:
Max Continuous: 418 RPM
Transient (5 sec): 450 RPM
Minimum: 349 RPM

Question 10

Fuel Filter

Answer 10

Fuel filter light: 0.2 bar press diff.
Fuel filter bypass: 0.4 bar press diff.

Question 11

Slope Limits

Answer 11

10° Uphill
8° Lateral
6° Downhill

Question 12

Rotor Brake Limits

Answer 12

Max speed for application: 170 RPM
Recommended for application: 100 RPM
TEMSCO POLICY: 100 RPM

Question 13

Cargo Hold Limits

Answer 13

Right side: 220 lbs. (left side PIC=264 lbs.)
Left side: 264 lbs. (62.5 lb/sq ft for Rt & Lt side)
Rear: 176 lbs (30 lbs/sq ft)

Question 14

Engine Oil Temp

Answer 14

115 °C (engine oil light will illuminate)

Question 15

Transmission Oil Temp

Answer 15

115 °C (main gear box temp light will illuminate)

Question 16

Float Speeds

Answer 16

Firing Speed: < 74 kts
Max Speed w/ inflated floats: 91 kts

Question 17

Seat and Floor Loading Weight Limits

Answer 17

Max rear cabin floor freight weight: 682 lbs (62.5 lbs/sq ft)
Max LH&RH fwd floor baggage weight: 330 lbs (62 lbs/sq ft)
Max Geneva 2 PAX front seat: 339 lbs
Max ECL 2 PAX front seat: Within CG limits
Seat belt and freight ring limits: Lateral 359 lbs, Longitudinal 629 lbs, vertical 1191 lbs)

Question 18

Certified Ceilings B2+B3

Answer 18

B2:
20,000 ft

B3:
23,000 ft

Question 19

Hook Loads B2+B3

Answer 19

B2:
Sling Load: 1660 lbs.
Swing Load: 2557 lbs.

B3:
Sling Load: 1660 lbs.
Swing Load: 3086 lbs.