Limitations Flashcards
Max Gross Weight
4961 lbs. Internal
5512 lbs. with external load
A/C DIMENSIONS
Main Rotor dia. 35.07ft.
Tail Rotor dia. 6.1 ft.
AIRSPEEDS- power on/off, sling, reduction
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
VNE doors off
(Note) reduce VNE by 3 kts, for every 1000’ PA
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
MAIN ROTOR SPEED-ground,flight,auto, low & high horn
Ground 380 ± 5
Flight 390 +4-5
Autorotation 320-430
Low rotor horn <360 steady tone
High rotor horn >410 intermittent tone
MAX TORQUE
Transient (10sec) 107% (700shp)
Below 40 kts. 100% (655shp)
Above 40 kts. 94% (615shp)
GAS GEN SPEED (NG)- idle, flight
(Note) Max NG speeds may be less depending on PA & OAT.
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.
T4 LIMITS
Max for Starting 865ºC (5 sec max above 795ºC)
Max T/O (5min.) 845ºC
Max Continuous 795ºC
FREE TURBINE (NF)
Minimum 330 RPM
Transient (5sec.) 463 RPM
Max Continuous 417 RPM
FUEL FILTER
Fuel filter light. .2 bar press. Diff
Fuel filter bypass .4 bar press. Diff
SLOPE LANDINGS
Uphill 10º
Lateral 8º
Downhill 6º
ROTOR BRAKE
Max speed for application 170 RPM
Recommended for application100 RPM
TEMSCO POLICY 100 RPM
Minimum duration between applications is 5 min.
CARGO HOLDS
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)
CARGO PODS
“ECL” Right side 386 lbs.
Left side 430 lbs.
“Dart” Right side 320 lbs.
Left side 364 lbs.
CERTIFIED CEILING
20,000 ft.
HOOK LOADS
Sling load 1660 lbs.
Swing load 2557 lbs.
ENGINE OIL TEMP MINIMUM
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.
TRANSMISSION OIL TEMP
115ºC (main gear box temp. light will illuminate)
FLOAT FIRING SPEED
(Apical) 74 kts.
MAX SPEED W/ FLOATS INFLATED
(Apical) 91 kts
MAX SEAT AND FLOOR LOADING / Safety belt and freight-tie-down rings
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.
MIN/MAX TEMPERATURES FOR FLIGHT
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
MANEUVERING LIMITS
Continued flight In Servo-Transparency is prohibited
FLIGHT IN FALLING SNOW
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
ENGINE LIMITS
Use of heating and demisting is forbidden above the engine maximum continuous rating (NG or T4)
ADDITIVES
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)
ENGINE OIL TEMP MAXIMUM
115ºC (engine oil light will illuminate)
ENGINE OIL PRESSURE
MIN. ABOVE 85% NG: 1.8 bar
MIN. PRESS BETWEEN 70-85% NG: 1.3 bar
MAX. PRESS. OUTSIDE STARTING SEQUENCE: 5 bar
ELECTRICAL SYSTEM (DIRECT CURRENT) MIN/MAX VOLTAGE AND AMPS
Voltage should normally be between 26-29V
Max. Volts: 31.5V
Max. Current: 150 AMPS
RESTRICTIONS
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
ENGINE START/GEN. LIMITS
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.
INSTRUMENT MARKINGS
Red: Safety Limit
Red with white hatching: VNE, Power-off
Yellow: Caution range
Green: Normal operating range
White: Equipment Operating Limit
ASI MARKINGS
Red/White: 125Kts VNE Auto
Red Line: 155Kts VNE
Green Arc: 40-155Kts
TORQUE MARKINGS
Red Triangle: 107% 10sec.
Red Line 100%
Green Arc: 10-94%
Yellow Arc: 94-100%
ROTOR MARKINGS
White Triangle: 170RPM Rotor break
Red Line: 320 RPM
Yellow Arc: 320-375
Green Arc: 375-394
Yellow Arc: 394-430
Red Line: 430
FREE TURBINE MARKINGS
Red line: 330 RPM
Yellow Arc: 330-375 RPM
Green Arc: 375-417 RPM
Red line: 417 RPM
NG DIFFERENCE MARKINGS
Green Arc: From lower stop to -3.5
Yellow Line: -3.5
Yellow Arc: -3.5 - 0
Red Line: 0
Red Triangle: +6
T4 MARKINGS
Green Arc: 300-795°C
Yellow Arc: 795-845°C
Red Line: 845°C
Red Triangle: 865°C
ENGINE OIL PRESSURE MARKINGS
Red Line: 1.3-1.8 Bar
Green Arc: 1.8-5 Bar
Yellow Arc: 5 Bar
ENGINE OIL TEMPERATURE MARKINGS
RED LINE: 115°C
FUEL PRESS. MARKINGS
Yellow Arc: 0-0.4 Bar
VOLTMETER MARKINGS
Green Arc: 26-29V
Yellow Arc: 29-31.5V
Red Line: 31.5V
AMPMETER MARKINGS
Red Line: 150 AMPS
FUEL PRESSURE LIMIT
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