Inertial Navigation | Alignment Flashcards

1
Q

There are _ additional IRS units located in the cockpit

A

2

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2
Q

The first additional IRS unit in the cockpit allows ____

A

switching the mode of operation

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3
Q

The modes of operation of the IRS include ___

A
  • OFF
  • STBY
  • ALIGN
  • NAV
  • ATT
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4
Q

The second additional IRS unit in the cockpit allows ___

A

Further control of the modes of operation:

  • Wind
  • Position
  • Heading
  • Status
  • Test
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5
Q

ATT mode can be used when ___

A

the nav mode fails and the lat/long position is lost during flight.

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6
Q

ATT mode allows the IRS to operate as a ___

A

Attitude gyro, supplying the same information as an artificial horizon

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7
Q

The platform is levelled before ___ alignment

A

azimuth

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