Aircraft General Flashcards
What does a gray switch indicate on
OHPTS?
Unavailable selection.
What’s the meaning of OHPTS switch
with cyan font?
Indicates operating state that triggers a
cyan CAS message.
What’s the meaning of OHPTS switch
with amber font?
Generally indicates operating state that
triggers an amber CAS message or reflects
abnormal in-flight condition
What controls automatic functions on
aircraft?
Data Concentration Network (DCN) and
Secondary Power Distribution System
(SPDS)
How were cabin systems designed?
With redundancy so single-point failure
doesn’t result in loss of cabin
functionality.
What dampens main entry door during
opening?
Hydraulic damper with self-contained,
recirculating supply of hydraulic oil
What happens when outside door
switch is selected to CLOSE.
Circuit energizes to CLOSE provided
EXTERNAL BATTERY switch is first
selected ON, aux pump operates, and door
closes. Once door is closed and
electrically latched, circuit is deenergized,
aux pump shuts off, and EXTERNAL
BATTERY may be selected to OFF.
What’s the purpose of DOOR
SAFETY switch?
When depressed, DOOR SAFETY switch
prevents the door from closing.
What’s the limitation associated with
main entry acoustic door?
Must be fully open during taxi, takeoff
and landing
When does acoustic door open
automatically?
With flaps selected to 10° or landing gear
extension
How could you investigate baggage
compartment from main cabin without
opening baggage compartment door?
A peep hole is provided to inspect
baggage compartment in the event of
onboard fire in baggage area.
Describe the seal on external baggage
door.
It features a passive seal to maintain
pressurization
What is AHTMS?
Aircraft Health and Trend Monitoring
System: captures data from Crew Alerting
System (CAS), Central Maintenance
Computer (CMC), and Flight Data
Recorder (FDR) and transmits data to
ground stations at pre-determined intervals
Describe primary escape routes on
GVII.
Includes main entry door and four (4)
emergency exit windows
Describe what happens with selection
of FDR / CMC Event switch on
OHPTS?
Places event stamp on FDR recording,
initiates CMC time series recording, and
switch legend illuminates blue
