SKYWEST ERJ 175 SYSTEMS EXAM | ACTUAL
QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED PASS LATEST 2025/2026.
What are you looking for when battery 1 on and battery 2 Auto - ANSWER-1)
Screen 2 (status page) & 3 (EICAS) should illuminate 2) IESS powering up (90
sec alignment) 3) Battery Voltage (Min 22.5V for normal ops, 21.0 - 22.5
Recharge procedure, less than 20.9 - call maintenance)
What is the significance about 22.5V - ANSWER-22.5V should give enough
power for 10 minutes of battery power with 2 APU restart attempts
What are we looking for when performing the Fire Extinguisher Test? -
ANSWER-6 - 5 - 2 - 2 - 2 6-Lights on overhead panel, 5-EICAS messages, 2-
Master Warnings, 2-ITT Fires, 2-Aural Warnings
APU FADEC will shut off if: - ANSWER-In-Flight: UFO U-underspeed, F-
FADEC critical fault, O-overspeed Ground: UFO SHELF S-sensor fail, H-high
oil temp, EEGT (high), L-low oil pressure, F-fire
Emergency Equipment - ANSWER-Flashlight - both CA and FO, Life Vest -
CA, FO and jumpseat, Circuit Breakers - CA, FO, Escape Rope - CA, FO,
Landing Gear and RAT Safety Pin - FO, PBE & Halon Fire Extinguisher &
Crash Axe - Doorway, Oxygen & Headset - Observer Seat
APU FADEC fire detection automatic - ANSWER-On Ground: 10 seconds lag
on shutting it off. Anytime: 1 minute later the APU emergency stop button will
light up.
,Cargo Fire Halon Extinguisher How many? Differences? Usage? - ANSWER-2
Halon Extinguishers, high-rate goes off when button pressed. low-rate keeps
going off in short spurts for 75 minutes.
Cargo fire extinguisher without EICAS message usage - ANSWER-(IN
FLIGHT) push the button 2 times the low-rate is automatic. (GROUND) push
the button 2 times and only the high-rate goes off. Need to push the button 1
more time for low-rate bottle.
What kind of checklist is the Safety and Power Up? - ANSWER-Captain or FO
Read And Do checklist
What is the minimum battery voltage for normal ops? - ANSWER-22.5V
What sources of external power are available to the ERJ 175? - ANSWER-Both
AC and DC
After turning on Batteries 1 and 2, which displays should come on? -
ANSWER-2 and 3
What areas have fire detection and protection? - ANSWER-Engines, APU,
Cargo
Compartments both aft and fwd, Lavatories
Cargo fire extinguisher with EICAS message usage - ANSWER-With message
(IN FLIGHT) the button will blow the high-rate and then 1 minute after the
low-rate will discharge automatically. (GROUND) pushing the button will blow
the highrate only. The button has to be pushed again for the low-rate bottle.
When must the safety and power up checklist be performed? - ANSWER-The
first flight of the day in a particular plane or when a power down was required.
, What are the sources of electrical power - ANSWER-DC Power - Battery, AC
Power - GPU, APU, IDG, When they all fail the RAC takes over.
What is the TRU? - ANSWER-Transformer rectifier unit, converts AC to DC
APU Max Re-starting Altitude - ANSWER-30,000 ft
If receiving an airplane already powered up, what must be done with regard to
the Safety and PowerUp Checklist? - ANSWER-It must be verified compliant
and the fire panel test must be accomplished.
What would you do if you discover a battery at 20.5V upon power up? -
ANSWER-Call maintenance
After starting the left engine with the APU on, what generator will power AC
Bus 2(Right Engine, Not Running)? - ANSWER-APU Generator
Leaving the GPU button pressed in and after being disconnected from AC
external power will? - ANSWER-Not allow you to reconnect to AC power until
the button is repressed in.
With a non-annunciated Aft Cargo fire on the ground, how many times do you
need to press the Aft Cargo button to discharge the low-rate fire bottle? -
ANSWER-Three
APU Max Operating Altitude - ANSWER-33,000 ft
Logic for AC powering up sources - ANSWER-Onside - Inside - Outside -
CrossSide
QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED PASS LATEST 2025/2026.
What are you looking for when battery 1 on and battery 2 Auto - ANSWER-1)
Screen 2 (status page) & 3 (EICAS) should illuminate 2) IESS powering up (90
sec alignment) 3) Battery Voltage (Min 22.5V for normal ops, 21.0 - 22.5
Recharge procedure, less than 20.9 - call maintenance)
What is the significance about 22.5V - ANSWER-22.5V should give enough
power for 10 minutes of battery power with 2 APU restart attempts
What are we looking for when performing the Fire Extinguisher Test? -
ANSWER-6 - 5 - 2 - 2 - 2 6-Lights on overhead panel, 5-EICAS messages, 2-
Master Warnings, 2-ITT Fires, 2-Aural Warnings
APU FADEC will shut off if: - ANSWER-In-Flight: UFO U-underspeed, F-
FADEC critical fault, O-overspeed Ground: UFO SHELF S-sensor fail, H-high
oil temp, EEGT (high), L-low oil pressure, F-fire
Emergency Equipment - ANSWER-Flashlight - both CA and FO, Life Vest -
CA, FO and jumpseat, Circuit Breakers - CA, FO, Escape Rope - CA, FO,
Landing Gear and RAT Safety Pin - FO, PBE & Halon Fire Extinguisher &
Crash Axe - Doorway, Oxygen & Headset - Observer Seat
APU FADEC fire detection automatic - ANSWER-On Ground: 10 seconds lag
on shutting it off. Anytime: 1 minute later the APU emergency stop button will
light up.
,Cargo Fire Halon Extinguisher How many? Differences? Usage? - ANSWER-2
Halon Extinguishers, high-rate goes off when button pressed. low-rate keeps
going off in short spurts for 75 minutes.
Cargo fire extinguisher without EICAS message usage - ANSWER-(IN
FLIGHT) push the button 2 times the low-rate is automatic. (GROUND) push
the button 2 times and only the high-rate goes off. Need to push the button 1
more time for low-rate bottle.
What kind of checklist is the Safety and Power Up? - ANSWER-Captain or FO
Read And Do checklist
What is the minimum battery voltage for normal ops? - ANSWER-22.5V
What sources of external power are available to the ERJ 175? - ANSWER-Both
AC and DC
After turning on Batteries 1 and 2, which displays should come on? -
ANSWER-2 and 3
What areas have fire detection and protection? - ANSWER-Engines, APU,
Cargo
Compartments both aft and fwd, Lavatories
Cargo fire extinguisher with EICAS message usage - ANSWER-With message
(IN FLIGHT) the button will blow the high-rate and then 1 minute after the
low-rate will discharge automatically. (GROUND) pushing the button will blow
the highrate only. The button has to be pushed again for the low-rate bottle.
When must the safety and power up checklist be performed? - ANSWER-The
first flight of the day in a particular plane or when a power down was required.
, What are the sources of electrical power - ANSWER-DC Power - Battery, AC
Power - GPU, APU, IDG, When they all fail the RAC takes over.
What is the TRU? - ANSWER-Transformer rectifier unit, converts AC to DC
APU Max Re-starting Altitude - ANSWER-30,000 ft
If receiving an airplane already powered up, what must be done with regard to
the Safety and PowerUp Checklist? - ANSWER-It must be verified compliant
and the fire panel test must be accomplished.
What would you do if you discover a battery at 20.5V upon power up? -
ANSWER-Call maintenance
After starting the left engine with the APU on, what generator will power AC
Bus 2(Right Engine, Not Running)? - ANSWER-APU Generator
Leaving the GPU button pressed in and after being disconnected from AC
external power will? - ANSWER-Not allow you to reconnect to AC power until
the button is repressed in.
With a non-annunciated Aft Cargo fire on the ground, how many times do you
need to press the Aft Cargo button to discharge the low-rate fire bottle? -
ANSWER-Three
APU Max Operating Altitude - ANSWER-33,000 ft
Logic for AC powering up sources - ANSWER-Onside - Inside - Outside -
CrossSide
