R44-II POH Section 2 (Limitations)

Question 1

What does the red cross-hatch indicate on the airspeed indicator?

Answer 1

Power-off Vne

POH 2-1

Question 2

What is Vne when @ 2200lb TOGW and below?

Answer 2

130 KIAS

POH 2-1

Question 3

What is Vne when above 2200lb TOGW?

Answer 3

120 KIAS

POH 2-1

Question 4

What is Vne for autorotation?

Answer 4

100 KIAS

POH 2-1

Question 5

What are the additional airspeed limits?

Answer 5

• 100 KIAS max at power above MCP
• 100 KIAS max with any combination of doors removed

POH 2-1

POH 2-1

Question 6

What are the Power On rotor speed limits?

Answer 6

101% (404 RPM)
to
102% (408 RPM)

POH 2-2

Question 7

What are the Power Off rotor speed limits?

Answer 7

90% (360 RPM)
to
108% (432 RPM)

POH 2-2

Question 8

What are the engine speed limits?

Answer 8

Max Continuous - 102% (2718 RPM)
Max Transient - 105% (2800 RPM)

POH 2-2

Question 9

What is the cylinder head max temperature?

Answer 9

500 degrees F

POH 2-2

Question 10

What is the max oil temperature?

Answer 10

245 degrees F

POH 2-2

Question 11

What are the minimum and maximum oil pressures?

Answer 11

During Flight
Minimum 55 PSI
Maximum 95 PSI

Start and Warm Up (or idle)
Minimum 25 PSI
Maximum 115 PSI

POH 2-2

Question 12

What is the minimum oil quantity required for takeoff?

Answer 12

7 qt

POH 2-2

Question 13

What are the weight limits?

Answer 13

Max Gross Weight 2500 lb
Min Gross Weight 1500 lb
Max per seat including baggage compartment 300 lb
Max per baggage compartment 50 lb

POH 2-3

Question 14

Where is the reference datum?

Answer 14

100 inches forward of main rotor shaft centerline

POH 2-3

Question 15

What are the flight and maneuver limitations?

Answer 15

A functioning Headset must be worn by each pilot
Operation up to 100 KIAS approved with any combination of Doors removed. All seat belts must be buckled and loose items in cabin must be properly secured during doors-off flight
Governor off flight prohibited except for in-flight system malfunction or emergency procedures training
Low G cyclic pushovers prohibited
Aerobatic flight prohibited
Minimum Crew is one pilot in the right front seat. A flight instructor may also operate as PIC from the left seat. Solo flights from right seat only
Flight in known Icing conditions prohibited
Max operating density Altitude 14,000 ft, Max operating altitude 9000 ft AGL to allow landing within 5 minutes in case of fire
Low rotor RPM warning system, alternator, RPM governor, oAT gauge, and hydraulic control system must be operational for dispatch
Forward left Seat belt must be buckled

POH 2-5

HDGLACIALagohS

Question 16

What are the approved fuel grades?

Answer 16

100 (green)
100LL (blue)
100VLL (blue)
B95/130 (amber)

Question 17

True or False?

Fuel tanks without bladders are allowed to be in service.

Answer 17

False

POH 2-6, R44 SB-78B

Question 18

What is the capacity of the main fuel tank?

Answer 18

30.5 gal of which 29.5 is usable

POH 2-6

Question 19

What is the capacity of the auxilliary fuel tank?

Answer 19

17.2 gal of which 17 is usuable

POH 2-6

Question 20

What does the green arc indicate on the airspeed indicator?

Answer 20

0-110 KIAS, normal operating range

POH 2-7

Question 21

What does the yellow arc indicate on the airspeed indicator?

Answer 21

110-130 KIAS
(operational range in smooth air)

POH 2-7

Question 22

What does the red line indicate on the airspeed indicator?

Answer 22

130 KIAS
Vne at or below 2200 lbs

POH 2-7

Question 23

What does the lower red line on the rotor tach indicate?

Answer 23

90%
Min allowable rotor speed

POH 2-7

Question 24

What does the green arc on the rotor tach indicate?

Answer 24

90%-108%
Operational rotor speed range

POH 2-7

Question 25

What does the upper red line on the rotor tach indicate?

Answer 25

108%
Max allowable rotor speed

POH 2-7

Question 26

What does the lower red line on the engine tach indicate?

Answer 26

101%
Min allowable engine speed

POH 2-7

Question 27

What does the green arc on the engine tach indicate?

Answer 27

101-102%
Operational engine speed range

POH 2-7

Question 28

What does the upper red line on the engine tach indicate?

Answer 28

102%
Max allowable engine speed

POH 2-7

Question 29

What does the lower red line indicate on the oil pressure gauge?

Answer 29

25 PSI
Minimum allowable oil pressure for idle

POH 2-7

Question 30

What does the lower yellow arc indicate on the oil pressure gauge?

Answer 30

25-55 PSI
Lower allowable oil pressure range for start and warm up

POH 2-7

Question 31

What does the green arc indicate on the oil pressure gauge?

Answer 31

55-95 PSI
Allowable oil pressure range for flight

POH 2-7

Question 32

What does the upper yellow arc indicate on the oil pressure gauge?

Answer 32

95-115 PSI
Upper allowable oil pressure range for start and warm up

POH 2-7

Question 33

What does the upper red line indicate on the oil pressure gauge?

Answer 33

115 PSI
Max allowable oil pressure during start and warm up

POH 2-7

Question 34

What does the green arc indicate on the oil temp gauge?

Answer 34

75-245 degrees F
Normal operating temp

POH 2-7

Question 35

What does the red line indicate on the oil temp gauge?

Answer 35

245 degrees F
Max allowable operating oil temp

POH 2-7

Question 36

What does the green arc indicate on the cylinder head temp gauge?

Answer 36

200-500 degrees F
Normal operating temp

POH 2-8

Question 37

What does the red line indicate on the cylinder head temp gauge?

Answer 37

500 degrees F
Max allowable cylinder head temp

POH 2-9

Question 38

What does the green arc indicate on the manifold pressure gauge?

Answer 38

15.0 to 23.3 in. Hg

POH 2-9

Question 39

What does the yellow arc indicate on the manifold pressure gauge?

Answer 39

19.1 to 26.1 in. Hg

Question 40

What does the red line indicate on the manifold pressure gauge?

Answer 40

26.1 Hg