737 Flight Crew Operations Manual
Flight Instruments, Displays -
PFD/ND – System Description
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
10.21.16 D6-27370-866-EGP
• Locator beacon operable for 30 days
• Receptacle for downloading and copying data for analysis.
Aircraft Condition Monitoring System (ACMS)
The Aircraft Condition Monitoring System (ACMS) contains software that
provides the operator useful reports on the condition of the airframe, engines,
trends monitoring, and maintenance.
The ACMS consists of:
• ACMS software containing applicable maintenance and operations
algorithms for each phase of flight
• Digital Flight Data Acquisition Unit (DFDAU). The DFDAU receives
signals representing certain flight condition and airplane systems
operating performance and converts them to a digital form for recording
on the DFDR
• Printer (PTR)
• Aircraft Communication Addressing and Reporting System (ACARS).
• ACARS air/ground message functionality continuing to expand with
additional message formats.
September 26, 2013
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