Limitations

Question 1

Max Gross Weight

Answer 1

4961 lbs. Internal
5512 lbs. with external load

Question 2

A/C DIMENSIONS

Answer 2

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

Question 3

AIRSPEEDS- power on/off, sling, reduction

Answer 3

VNE power on 155 kts.
VNE power off 125 kts.
VNE sling load 80 kts.
(Note) reduce VNE by 3 kts, for every 1000’ PA

Question 4

VNE doors off
(Note) reduce VNE by 3 kts, for every 1000’ PA

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, for every 1000’ PA

Question 5

MAIN ROTOR SPEED-ground,flight,auto, low & high horn

Answer 5

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

Question 6

MAX TORQUE

Answer 6

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

Question 7

GAS GEN SPEED (NG)- idle, flight
(Note) Max NG speeds may be less depending on PA & OAT.

Answer 7

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

(Note) Max NG speeds may be less depending on PA & OAT.

Question 8

T4 LIMITS

Answer 8

Max for Starting 865ºC (5 sec max above 795ºC)
Max T/O (5min.) 845ºC
Max Continuous 795ºC

Question 9

FREE TURBINE (NF)

Answer 9

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

Question 10

FUEL FILTER

Answer 10

Fuel filter light. .2 bar press. Diff
Fuel filter bypass .4 bar press. Diff

Question 11

SLOPE LANDINGS

Answer 11

Uphill 10º
Lateral 8º
Downhill 6º

Question 12

ROTOR BRAKE

Answer 12

Max speed for application 170 RPM
Recommended for application100 RPM
TEMSCO POLICY 100 RPM
Minimum duration between applications is 5 min.

Question 13

CARGO HOLDS

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 lb/sq ft)

Question 14

CARGO PODS

Answer 14

“ECL” Right side 386 lbs.
Left side 430 lbs.
“Dart” Right side 320 lbs.
Left side 364 lbs.

Question 15

CERTIFIED CEILING

Answer 15

20,000 ft.

Question 16

HOOK LOADS

Answer 16

Sling load 1660 lbs.
Swing load 2557 lbs.

Question 17

ENGINE OIL TEMP MINIMUM

Answer 17

Operation at O.A.T < -20°C is approved, provided that MGB and TGB oil temp at engine start is > -20°C

Engine Min temp before power application: 0°C

SEE RFM 2.1 for exact details and proper oil for low temps.

Question 18

TRANSMISSION OIL TEMP

Answer 18

115ºC (main gear box temp. light will illuminate)

Question 19

FLOAT FIRING SPEED

Answer 19

(Apical) 74 kts.

Question 20

MAX SPEED W/ FLOATS INFLATED

Answer 20

(Apical) 91 kts

Question 21

MAX SEAT AND FLOOR LOADING / Safety belt and freight-tie-down rings

Answer 21

Max rear cabin floor Freight weight. 682 lbs.
Max rear cabin floor loading. 62.5 lbs per sq. ft.
Max LH & RH Fwd. floor baggage weight. 330 lbs. / 62 lbs per sq.ft.
Max Geneva 2 passenger front seat. 339 lbs.
Max ECL 2 passenger front seat. Within CG limits.
Seat belt and Freight Ring limits. Lateral 359 lbs.
Longitudinal 629 lbs.
Vertical 1191 lbs.

Question 22

MIN/MAX TEMPERATURES FOR FLIGHT

Answer 22

Min. Temp. -40°C
-For aircraft with spherical thrust bearings, the operating temp is limited to -25°C

MAX. Temp. ISA +35°C Limited to +50°C

Question 23

MANEUVERING LIMITS

Answer 23

Continued flight In Servo-Transparency is prohibited

Question 24

FLIGHT IN FALLING SNOW

Answer 24

For preparation for flying in snow see SUP.4
Flight when visibility is greater than 0.81NM
-Flight in falling snow is
authorized
Flight when visibility is 0.43-0.81 NM
-Total flying time in
falling snow limited to
10min. This limit
includes time to leave
all snowy conditions.
Flight when visibility is less than 0.43 NM
-Flight in falling snow is
prohibited

Question 25

ENGINE LIMITS

Answer 25

Use of heating and demisting is forbidden above the engine maximum continuous rating (NG or T4)

Question 26

ADDITIVES

Answer 26

ANTI-ICE: If fuel does not contain system icing inhibitor, the use of an ANTI-ICE is compulsory if O.A.T is below 0°C. Concentration shall be from 0.10% - 0.15% by volume ANTI-STATIC: Shell ASA 3 JET FUEL THERMAL STABILITY IMPROVER: Type +100-NATO (SEE RFM 2.1)

Question 27

ENGINE OIL TEMP MAXIMUM

Answer 27

115ºC (engine oil light will illuminate)

Question 28

ENGINE OIL PRESSURE

Answer 28

MIN. ABOVE 85% NG: 1.8 bar MIN. PRESS BETWEEN 70-85% NG: 1.3 bar MAX. PRESS. OUTSIDE STARTING SEQUENCE: 5 bar

Question 29

ELECTRICAL SYSTEM (DIRECT CURRENT) MIN/MAX VOLTAGE AND AMPS

Answer 29

Voltage should normally be between 26-29V Max. Volts: 31.5V Max. Current: 150 AMPS

Question 30

RESTRICTIONS

Answer 30

The following are prohibited: -Aerobatic Maneuvers -Engine starting when snow or ice accumulations are in or around the engine air intake -Flight in freezing rain or icing conditions -Engine power reduction in flight using FFC except for AUTO Training

Question 31

ENGINE START/GEN. LIMITS

Answer 31

To prevent started overheat, Limit starter time. -30 sec. on -60 sec. off -30 sec. on -60 sec. off -30 sec. on -30 min. off Cranking counts as starter time.

Question 32

INSTRUMENT MARKINGS

Answer 32

Red: Safety Limit Red with white hatching: VNE, Power-off Yellow: Caution range Green: Normal operating range White: Equipment Operating Limit

Question 33

ASI MARKINGS

Answer 33

Red/White: 125Kts VNE Auto Red Line: 155Kts VNE Green Arc: 40-155Kts

Question 34

TORQUE MARKINGS

Answer 34

Red Triangle: 107% 10sec. Red Line 100% Green Arc: 10-94% Yellow Arc: 94-100%

Question 35

ROTOR MARKINGS

Answer 35

White Triangle: 170RPM Rotor break Red Line: 320 RPM Yellow Arc: 320-375 Green Arc: 375-394 Yellow Arc: 394-430 Red Line: 430

Question 36

FREE TURBINE MARKINGS

Answer 36

Red line: 330 RPM Yellow Arc: 330-375 RPM Green Arc: 375-417 RPM Red line: 417 RPM

Question 37

NG DIFFERENCE MARKINGS

Answer 37

Green Arc: From lower stop to -3.5 Yellow Line: -3.5 Yellow Arc: -3.5 - 0 Red Line: 0 Red Triangle: +6

Question 38

T4 MARKINGS

Answer 38

Green Arc: 300-795°C Yellow Arc: 795-845°C Red Line: 845°C Red Triangle: 865°C

Question 39

ENGINE OIL PRESSURE MARKINGS

Answer 39

Red Line: 1.3-1.8 Bar Green Arc: 1.8-5 Bar Yellow Arc: 5 Bar

Question 40

ENGINE OIL TEMPERATURE MARKINGS

Answer 40

RED LINE: 115°C

Question 41

FUEL PRESS. MARKINGS

Answer 41

Yellow Arc: 0-0.4 Bar

Question 42

VOLTMETER MARKINGS

Answer 42

Green Arc: 26-29V Yellow Arc: 29-31.5V Red Line: 31.5V

Question 43

AMPMETER MARKINGS

Answer 43

Red Line: 150 AMPS

Question 44

FUEL PRESSURE LIMIT

Answer 44

Pressure in the event of fuel filter clogging: -Less than 0.4 Bar Illumination of the pre-clogging caution light at a differential pressure of 0.2 Bar NOTE: The filter is equipped with a clogging indicator