IVHMS/AVCS

Question 1

Make sure what is installed before starting engines?

Answer 1

The card

Question 2

The intermittent even capture includes

Answer 2

30 seconds of AC flight data

30 seconds of cockpit noise data

5 seconds of rotor track and balance data

Question 3

HUMS-E REC button can be pushed how many times in a flight?

Answer 3

5 times during a flight

Question 4

IVHMU captures what?

Answer 4

intermittent events

Question 5

The DCUs manage start-stop control that provides:

Answer 5

a. an open state condition to initiate recording

b. a ground state to initiate shutdown of recording.

Question 6

START Recording criteria:

Answer 6

a. No. 1 ENG ON (NG1 greater than 55%)
b. No. 2 ENG ON (NG2 greater than 55%)
c. Main XMSN OP greater than 20 PSI
d. WOW switch equals false (In flight condition)

Question 7

STOP Recording criteria:

Answer 7

a. No. 1 ENG OFF (NG1 less than 55%)
b. No. 2 ENG OFF (NG2 less than 55%)
c. Main XMSN OP less than 20 PSI
d. WOW switch equals true (on ground condition)

Question 8

What starts/ stops the recording of the CVR/FDR (Cockpit Voice Recorder/ Flight Data
Recorder)?

Answer 8

DCU’s

Question 9

Which IVHMS main menu would a pilot need to access to perform a HIT check?

Answer 9

Power Checks

Question 10

The Integrated Vehicle Health Management Unit (IVHMU) integrates the following helicopter
health and safety capabilities: Underwater acoustic locating device, Health and Usage
Monitoring System (HUMS), and \_\_\_\_\_\_\_\_\_\_\_\_.

Answer 10

A: Cockpit Voice Recorder/ Flight Data Recorder

Question 11

The crew must initiate the end of operation ( END OF OP ) prior to hot crew swap. When
initiated, the process will write the final usage data to the DTU and complete the usage
crosschecks, reset the timers and counters, and the end “data packet” written to the ____

Answer 11

DTU