B206 B2

Question 1

Max take off weight

• Internal
• External

Answer 1

• 1451.5kg (3200lb)

- 1519.5kg (3350lb)

Question 2

Take off power range

Answer 2

85%-100% Torque

Question 3

Take off power Vne

Answer 3

80 Kt

Question 4

Vne Speed

Below 3000lb
Above 3000lb

Answer 4

Below 3000lb = 130kts (3000ft density)

Above 3000lb = 122kts(3000ft density)

Question 5

Altitude Limitations

Below 3000lb
Above 3000lb

Answer 5

below 3000lb=20,000ft (pressure)

above 3000lb = 13,500ft

Question 6

Engine Model

Answer 6

RR 250-C20

Question 7

Fuel Pressure Min & Max

Answer 7

8 PSI

50 pSI

Question 8

Torque Limits

Answer 8

Take off 100%-5mins

Transient 110%-5 second

Question 9

TOT limits
Take off
In flight Transient
Max Continuous
Start and shutdown

Answer 9

• 793 (5 min)
• 737(MCP)
• 793-843 (6 seconds)
• 793-927 (10 seconds)
• 927+ (1 sec)

Question 10

Max speed for Autorotation

Answer 10

100KIAS

Question 11

Min front seat weight

Answer 11

150lb (68kg)

Question 12

During cold operations what should the engine idle speed be set to N1 until oil temp reaches min 0

Answer 12

60-64%

Question 13

Engage pitot heat in visable moisture and temp below…..

Answer 13

4.4 C

Question 14

Max pressure alt

Answer 14

20,000ft

Question 15

Warning lights -Fuel pump

Answer 15

Descend to below 6000ft

Land as soon as practical

Question 16

Warning lights - Fuel Filter

Answer 16

Land as soon as practical

-Clean before next flight

Question 17

Common causes of compresser surge (4)

Answer 17

• Rapid increase in fuel flow when RPM increases
• low engine RPM
• Air going into the engine formt he wrong direction (crosswind)
• contaminated or damaged compressor blades

Question 18

Symptoms of compressor surge (6)

Answer 18

• Loss of thrust
• odd noises
• Vibrations
• RPM fluctuations
• Increased TOT
• Burning gasses out of various orifices

Question 19

In the Allison 250 engine where is the torque measured from?

Answer 19

-At the engine reduciton gear intermediate pinion

Question 20

Best ROC speed

Answer 20

47kt

Question 21

RRPM Limitations

Answer 21

95-100% below 8000ft

-105% Transient for 15s

Question 22

Gas Producer Limitations

Answer 22

• 104% max

- 105% transient 15seconds

Question 23

Starter Limitations

• on
• off

Answer 23

• 40s on
• 60s off
• 40s on
• 60s off
• 40s ON
• 30 mins off

Question 24

Engine oil Temp Limits

Answer 24

Max-107 Degrees

Question 25

Max and Min N2 Speed during Autorotation

Answer 25

Min -90%

Max-107%

Question 26

Temp limitations of using A-1 Fuel

Answer 26

limited to above -18 degrees ambient temperature

Question 27

Approved Oils

Answer 27

Turbine oil MIL-7808
Turbine Oil Mil-L-23699

Or
Turbine oil Mil-L-23699
DOD-L-85734
when above -40 degrees ambient

Question 28

VNE speed with front door/s off?

Answer 28

69kt