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Flashcards in HUM's Deck (22):
1

What is the purpose of HUMS?

Improve Airworthiness
Improve Availability
Reduction in cost.

2

What are the 3 main LRU's?

DAPU (data acquisition processing unit)
Cockpit interface panel
Blade tracker

3

Where is the crash protected memory located?

Behind the front face of the DAPU.

4

If activated how long can the beacon transmit?

Continuously for 90 days.

5

How do we access/control the information from the DAPU?

CDNU > Dedicated HUMS page.

6

Where is the DAPU?

Rear Bay Forward.

7

What power supply does the DAPU have?

28v DC Essential BB.

8

Where is the acoustic beacon located?

On the DAPU.

9

Why has the DAPU got a battery?

Memory
Clock

10

How do we upload and download info to HUMS

MTDT.

11

What component is used for the inflight rotor tracking?

Optical Blade Tracker.

12

What is located under the co pilots and pilots seat seat?

Rotor Track and Balance Accelerometers (RTBA's)
3 x Pilot
1 x Co - Pilot

13

What is the purpose of the CPT in HUMS?

Position of the sticks.

14

How do we measure rotations of the rotor?

Magnetic pulse from the mag pick up.

15

What does the crash protective memory do?

Stores 8 hours of flight data
1 hour of voice.

16

How do you download the memory?

Port on the front of the DAPU.

17

How many CPT's are there?

4.

18

Wheres the Triaxial located?

Rear of the right hand side of the cabin.

19

How many HF Accelerometers are there?

15

20

After you replace the battery what do you have to do?

Reprogramme the operational flight plan (OFP)

21

How do you record suspicious noises?

Press Event on the CDNU.

22

How many sections can the HUMS memory structure be split down into?

7.