Systems

Question 1

What mechanical systems assist the pilot with control of the helicopter?

Answer 1

SAS - Stability Augmentation System

FPS - Flight Path Stabilization

Boost Servos

Pitch, Roll, and Yaw Trim

Question 2

From fore to aft, name the major mechanical systems above the cabin of the aircraft

Answer 2

Question 3

What components make up the pilot assist servos?

Answer 3

Trim, Boost, SAS

Question 4

Where are the pilot assist servos located?

Answer 4

Question 5

From where is hydraulic pressure for the pilot assist servos supplied?

Answer 5

2 hydraulic system

Question 6

What is the purpose of the Mechanical Mixing Unit?

Answer 6

• Combines, sums, and couples the cyclic, collective, and yaw inputs
• Provides proportional output through mechanical linkages, to the main and tail rotor controls

Question 7

How many primary servos are there?

Where are the primary servos located?

Answer 7

3, between the #1/#2 hydraulic pumps

Question 8

What systems connect the MMU to the tail?

Answer 8

Question 9

How many hydraulic systems are there?

Answer 9

Question 10

To what does the #1 hydraulic system supply power?

Answer 10

First stage of primary servos

First stage of tail rotor servo

Question 11

To what does the #2 hydraulic system supply power?

Answer 11

Second stage of primary servos

Pilot assist servos

Question 12

To what does the backup hydraulic system supply power?

Answer 12

1 or #2 hydraulic systems (for emergencies or ground checks)

Second stage of tail rotor servo

APU Accumulator

Question 13

When do the #1/#2 hydraulic systems operate?

Answer 13

When the rotor blades are turning

Question 14

How are the pedal brakes operated?

Answer 14

Applying pressure to the top part of both pedals

Question 15

The droop stops should be full in during shutdown at what %NR?

Answer 15

50%

Question 16

Fuel is suppled to the APU from which tank?

Answer 16

1

Question 17

In a normal configuration, the HH60 can carry how much fuel, for how much flight time?

Answer 17

Approx 2400 lbs (360 gal)

Approx 2.2 hrs

Question 18

How many different additional fuel tanks can be added?

Answer 18

2 or 4 External fuel tanks @ 200gal each

1 Internal fuel tank @ 195gal

Question 19

Fuel cells can automatically self seal puncture by bullets up to what size?

Answer 19

7.62mm AP

Question 20

What is the settling time for jet fuel?

Fuel samples are conducted how long after refueling?

Answer 20

1 foot / hr

At least 4 hours

Question 21

T/F - The H60-M use the same generators on both a LAIRCM capable bird and non-capable bird?

Answer 21

False. LAIRCM capable birds require upgraded generators

Question 22

T/F - Anti-icing systems will function with a (1) generator failure?

Answer 22

False. Anti-icing systems require two functioning generators

Question 23

T/F - The hoist will function with a (1) generator failure?

Answer 23

False. The hoist requires two functioning generators.

Question 24

What type of power do the generators supply for the aircraft?

Answer 24

115/200V AC, 400hz

Question 25

For how long can the aircraft run on battery power if all generators fail?

Answer 25

15-30 minutes.

Question 26

If a generator bearing warning appears, the bearing must be replaced in what time frame?

Answer 26

Within 10 hours of the caution appearing.