©FYNDLAY 2025 ALL RIGHTS RESERVED 11:49 AM A+
Endeavor 9E CRJ 900 Systems
Review/oral/LOE Exam Questions And
Answers |Latest 2025 | Guaranteed Pass
What will be lost with ADC failure? - Answer✔Airspeed info, Vertical Speed info, Altitude Info,
and Temperature info.
What will you see on the FO's PFD once you have selected ADC1? - Answer✔An amber ADC1
message in displayed on both PFD's.
What will be lost following an IRS/AHRS failure? - Answer✔Attitude / Heading
What happens when we turn the "Air Data" knob from Norm to 1? - Answer✔both PFD's run on
ADC 1 ("Norm" left side ADC1/ right side ADC2)
At what altitude will the Radio Altitude no longer be
displayed? - Answer✔2500 ft. (1225 ft for tape)
Name four aircraft systems that receive inputs from the
Pitot/Static system? - Answer✔ADC,
ISI (integrated standby instrument),
CPCP (cabin pressure control panel),
Stall Protection System
1|Page
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 11:49 AM A+
How long will you be able to continue to use your standby
instrument following a complete loss of all AC and DC
power? - Answer✔You won't, it must have power. (30 min with batt only)
Which approaches can be flown using the ISIS? - Answer✔ILS only using Nav 1. (Company
limitation)
Name all of the ways the COMM and NAV radios may be
tuned: - Answer✔RTU, FMS Radio Page, BTU (backup tuning unit)
What does the EMER button mean on the RTU panel? - Answer✔Bypasses the ACP/Audio
Control Panel (volume control), connects directly to radio (CAPT com 1/FO com 2)
How would you cross-side tune the RTUs? - Answer✔1/2 Button.
Which switches should be selected when making a PA
announcement? - Answer✔Transmit selector to PA, press PA button and select
R/T (radio transmit)
When does the Cockpit Voice Recorder begin recording? - Answer✔When DC power is applied
to the plane.
When does the Flight Data Recorder begin recording? - Answer✔When the Beacon is turned
on, or the Strobe is turned on, or Weight Off Wheels.
Name the three panels that control what is shown on the PFD/MFD. What do they do? -
Answer✔"DAD"
DCP: Display Control Panel. Range, Nav Source, etc
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, ©FYNDLAY 2025 ALL RIGHTS RESERVED 11:49 AM A+
ACP: Air-data Control Panel. MDA/DH, REF, Baro, etc
DRP: Display Reversionary Panel. Changes MFD to PFD/EICAS.
What can be silenced with the Master Warning pushbutton? - Answer✔Pushing the MASTER
WARNING silences the aural warnings except:
• Stall warbler
• GPWS/TCAS (voices and aural)
• Overspeed clacker
• Flap clacker
• Stabilizer trim clacker
• AP Disconnect cavalry charge
• Configuration warnings
• Gear Horn
If you see red ALT, IAS, VS what kind of failure do you probably have? - Answer✔ADC air data
computer
What checklist would you run if had red ATT HDG and FD flags with a missing HSI on the PFD? -
Answer✔IRS/AHRS fail
What is required to activate the autopilot? - Answer✔1 yaw damp
1 stab trim
1 ADC
Both IRS/ARHS
Both FCC
AP DISC up
3|Page
Endeavor 9E CRJ 900 Systems
Review/oral/LOE Exam Questions And
Answers |Latest 2025 | Guaranteed Pass
What will be lost with ADC failure? - Answer✔Airspeed info, Vertical Speed info, Altitude Info,
and Temperature info.
What will you see on the FO's PFD once you have selected ADC1? - Answer✔An amber ADC1
message in displayed on both PFD's.
What will be lost following an IRS/AHRS failure? - Answer✔Attitude / Heading
What happens when we turn the "Air Data" knob from Norm to 1? - Answer✔both PFD's run on
ADC 1 ("Norm" left side ADC1/ right side ADC2)
At what altitude will the Radio Altitude no longer be
displayed? - Answer✔2500 ft. (1225 ft for tape)
Name four aircraft systems that receive inputs from the
Pitot/Static system? - Answer✔ADC,
ISI (integrated standby instrument),
CPCP (cabin pressure control panel),
Stall Protection System
1|Page
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 11:49 AM A+
How long will you be able to continue to use your standby
instrument following a complete loss of all AC and DC
power? - Answer✔You won't, it must have power. (30 min with batt only)
Which approaches can be flown using the ISIS? - Answer✔ILS only using Nav 1. (Company
limitation)
Name all of the ways the COMM and NAV radios may be
tuned: - Answer✔RTU, FMS Radio Page, BTU (backup tuning unit)
What does the EMER button mean on the RTU panel? - Answer✔Bypasses the ACP/Audio
Control Panel (volume control), connects directly to radio (CAPT com 1/FO com 2)
How would you cross-side tune the RTUs? - Answer✔1/2 Button.
Which switches should be selected when making a PA
announcement? - Answer✔Transmit selector to PA, press PA button and select
R/T (radio transmit)
When does the Cockpit Voice Recorder begin recording? - Answer✔When DC power is applied
to the plane.
When does the Flight Data Recorder begin recording? - Answer✔When the Beacon is turned
on, or the Strobe is turned on, or Weight Off Wheels.
Name the three panels that control what is shown on the PFD/MFD. What do they do? -
Answer✔"DAD"
DCP: Display Control Panel. Range, Nav Source, etc
2|Page
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 11:49 AM A+
ACP: Air-data Control Panel. MDA/DH, REF, Baro, etc
DRP: Display Reversionary Panel. Changes MFD to PFD/EICAS.
What can be silenced with the Master Warning pushbutton? - Answer✔Pushing the MASTER
WARNING silences the aural warnings except:
• Stall warbler
• GPWS/TCAS (voices and aural)
• Overspeed clacker
• Flap clacker
• Stabilizer trim clacker
• AP Disconnect cavalry charge
• Configuration warnings
• Gear Horn
If you see red ALT, IAS, VS what kind of failure do you probably have? - Answer✔ADC air data
computer
What checklist would you run if had red ATT HDG and FD flags with a missing HSI on the PFD? -
Answer✔IRS/AHRS fail
What is required to activate the autopilot? - Answer✔1 yaw damp
1 stab trim
1 ADC
Both IRS/ARHS
Both FCC
AP DISC up
3|Page
