SDH AS350B2 Limitations

Question 1

DISCLAIMER

Answer 1

This flash card study aide is provided to ease and assist in studying much more comprehensive material provided by Eurocopter / Airbus. The creator of this study aide and Sundance Helicopters Inc accepts no responsibility for inaccuracies or abbreviation of procedures. This is intended to introduce the associated material and all persons using these cards should study and reference the officially distributed material from the manufacturer. It is recommended that after referencing each card, the student should independently verify the information on that card by looking it up and learning the comprehensive information from the direct source. If any inaccuracies, misleading or typo errors are found, please notify the administrator of the study deck.

Question 2

GROSS WEIGHT

Answer 2

4961

With External Load 5512

Sling Limit 1660

Swing Limit 2557

Question 3

AIRSPEEDS

Answer 3

POWER ON VNE 155 Knots

POWER OFF VNE 125 Knots

-3 Knots per 1000 Density Altitude

Question 4

CERTIFIED CEILING

Answer 4

20,000 feet

Question 5

OPERATING TEMPERATURES

Answer 5

Minimum Temperature -40ºc

Maximum Temperature ISA +35ºc, limited to 50ºc

(every increase of 1000 ft Hp subract 2ºc from maximum)

Question 6

MANEUVER LIMITATIONS

Answer 6

Continiued Operation in Servo Transparency (Where Force Feedback is Felt In The Controls) Is PROHIBITED

Question 7

ROTOR RPM

Answer 7

• On Ground 380 +/- 5
• In Flight 390 +4 -5
• Tail Rotor Harmonic 280 to 320
• Power Off 320 to 430

VEMD SHIP

• Caution Range: 320 to 375
• Normal Operating Range: 375 to 394
• Caution Range: 394 to 430
• Max Power Off: 430

HORN SOUNDS -360 (constant) and +410 (intermittent)

Question 8

ROTOR BRAKE LIMITATIONS

Answer 8

Max 170 RPM (High Winds)

Recommended 140 RPM

SDH 70 RPM Before Application of brake

Minimum time between consecutive braking 5 Minutes

Question 9

NG LIMITS

Answer 9

• Maximum Continuous -3.5 Delta NG
• Take Off (5 Minutes) 0 Delta NG
• Transient (5 seconds) +6 Delta NG

VEMD SHIP

• Continuous Rating: Delta NG -4
• Max Take Off Rating: Delta NG 0 (5 Min) Max
• Transient: Delta NG +1 (5 Sec)

Question 10

T4 LIMITS

Answer 10

ONLY DIFFERENCE IS ANALOG TRANSIENT IS

865 (5 SEC), otherwise

VEMD

Question 11

NF LIMITS

Answer 11

ANALOG B2

• Minimum 330 RPM 5 seconds
• Max. Continuous Equivalent 417 RPM
• Maximum 463 RPM 5 seconds

VEMD B2

• 330 rpm Min
• RPM 330 to 375 <5 Sec
• Normal Operating Range: 375 to 417 rpm
• Max transient 463 <5 Sec

Question 12

FUELS

Answer 12

• JET A
• JP4 (WIDE CUT)
• JP5 (HIGH FLASH POINT)
• JP8 (KEROSENE 50)
• KEROSENE
• KEROSENE - TSI, RT
• WIDECUT

Question 13

ANTI ICE ADDITIVE

Answer 13

If temp is below 0c, and fuel does not already contain an system icing inhibitor, the use of anti-icing additive is compulsory. (Prist)The concentration shall be from 0.10% to 0.15% by volume.

Question 14

OIL

Answer 14

Mobile Jet 254

or

Royco 586M

(Don’t mix oils!)

Question 15

ENGINE OIL PRESSURE

Answer 15

• Minimum Pressure above 85% NG 1.8 Bar (26 PSI)
• Minimum Pressure between 70% and 85% NG 1.3 Bar (18.9 PSI)
• Maximum Pressure outside Starting 5 Bar (72.5 PSI)

Question 16

ENGINE OIL TEMPERATURE

Answer 16

Maximum Oil Temperature 115ºc

Minimum Oil Temperature before power application 0ºc

VEMD SHIP

-10°c to 0°c Minimum before power application

Thermostat fully open below 74c, fully closed above 86c

Fan on above 77c, fan off below 68c

Question 17

HYDRAULIC SYSTEM FLUID

Answer 17

SYNTHETIC MIL-H-83282

Question 18

ELECTRICAL SYSTEM

Answer 18

Minimum Voltage 25v

Maximum Voltage 31.5v

Rated Voltage 26-29v

Max Current 150Amps

Question 19

SLOPE LIMITATIONS

Answer 19

Nose up 10º

Nose down 6º

Side to Side 8º

Question 20

LOAD LIMITS

Answer 20

• Cabin Floor 682 lbs.
• Rear Hold 176 lbs.
• Left Hand Hold 264 lbs
• Right Hand Hold 220 lbs
• (check placards on each ship)

Question 21

GAUGE COLORS

Answer 21

• RED - Safety Limit
• RED W/WHITE HATCHING - VNE Power Off
• YELLOW - Caution
• GREEN- Normal Operating Range
• WHITE - Equipment Operating Limit

Question 22

PROHIBITED MANEUVERS

Answer 22

• Autorotation landing without engine shutdown.
• Intentional de-synchronization of the engine (Torque lower than 10%).
• Intentional engine shutdown in flight.
• Aerobatics
• Engine power reduction in flight using FFCL, except for autorotation training.

Question 23

MAXIMUM TORQUE

Answer 23

Below 40 Knots 100%

Above 40 Knots 94%

Transient 107% (10 SECONDS!)

VEMD SHIP

TRANSIENT (5 SECONDS)

Question 24

EMERGENCY FUELS

Answer 24

AVGAS

Automotive Gasoline

Restrictions- Within any one period between overhauls of the engine, the use of gasoline is limited to 25 hours maximum.-

Add 2% of mineral oil if possible.-

Pressure Altitude maximum 1500 feet. -

Fuel temperature up to 30 degrees c.

Question 25

TAIL ROTOR RPM

(information only, not limitation)

Answer 25

TR BLADE - 2086 RPM

DRIVE SHAFT - 6125 RPM

Question 26

ENGINE RATING

(5 minute, information only, not limitation)

Answer 26

732 Shaft Horse Power (SHP)

(Arriel 1d1)

Question 27

MGB RATING

(information only, not limitation)

Answer 27

655 SHP

Question 28

Vy Speed

(Info Only. Not limitation)

Answer 28

55 KIAS

Question 29

Turbomeca Arriel 1D1 Modules

(Reference only)

Answer 29