SKYWEST E J 175 SYSTEMS EXAM
L
QUESTIONS AND CO ECT ANSWE S
LL L
LATEST GUIDE 2026/2027 .
,1. Eme gency Equipment CO ECT ANSWE
L LL L • PBE
• Halon Fi e Ext L
• C ash Axe
L
• Flashlight 2
• Oxygen Mask 3
• Escape L ope 2
• Life Vest 3
2. What a e you looking fo when batte y 1 on and batte y 2 Auto? CO ECT ANSWE
L L L L LL L • Sc een 2 & 3 on
L
• IESS powe ing up (90 sec alignment) L
• Batte y Voltage (Min 22.5V, 21.0 - 22.5
L L echa ge, < 21.0 w ite up)
L L
3. What is the significance about 22.5V CO ECT ANSWE LL L 10 minutes of batte y powe with 2 APU sta t
L L L
attempts
4. What a e we looking fo when pe fo ming the Fi e Extinguishe Test? CO ECT ANSWE
L L L L L L LL L • 6 Lights
on ove head panel
L
• 5 EICAS messages
• 2 Maste L Wa nings L
• 2 ITT Fi es L
• 2 Au al Wa nings
L L
5. APU will auto shut down in flight CO ECT ANSWE LL L CO ECT ANSWE
LL L • Unde speed
L
• FADEC c itical fault L
• Ove speed
L
6. APU will auto shut down on the g ound CO ECT ANSWE L LL L CO ECT ANSWE
LL L • Unde speed
L
• FADEC c itical fault L
, • Ove speed L
• Senso L fail
• High oil temp
• EGT (high)
• Low oil p essu e L L
• Fi e L
7. APU FADEC fi e detection automatic CO ECT ANSWE
L LL L • On G ound CO ECT ANSWE
L LL L 10
seconds lag on shutting it off.
• Anytime CO ECT ANSWE
LL L 1 minute late the APU eme gency stop button will light up.
L L
8. GPU can be used fo APU sta t CO ECT ANSWE L L LL L L eplaces batt 2 but can't eplace batt 1
L
9. If APU is accidentally selected off? CO ECT ANSWE LL L It can be tu ned back on befo e the 1 min cool down
L L
is complete
10. Afte sta ting the left engine with the APU on, what gene ato will powe AC Bus 2 ( ight Engine, Not
L L L L L L
L unning)? CO ECT ANSWE LL L APU Gene ato L L
L
QUESTIONS AND CO ECT ANSWE S
LL L
LATEST GUIDE 2026/2027 .
,1. Eme gency Equipment CO ECT ANSWE
L LL L • PBE
• Halon Fi e Ext L
• C ash Axe
L
• Flashlight 2
• Oxygen Mask 3
• Escape L ope 2
• Life Vest 3
2. What a e you looking fo when batte y 1 on and batte y 2 Auto? CO ECT ANSWE
L L L L LL L • Sc een 2 & 3 on
L
• IESS powe ing up (90 sec alignment) L
• Batte y Voltage (Min 22.5V, 21.0 - 22.5
L L echa ge, < 21.0 w ite up)
L L
3. What is the significance about 22.5V CO ECT ANSWE LL L 10 minutes of batte y powe with 2 APU sta t
L L L
attempts
4. What a e we looking fo when pe fo ming the Fi e Extinguishe Test? CO ECT ANSWE
L L L L L L LL L • 6 Lights
on ove head panel
L
• 5 EICAS messages
• 2 Maste L Wa nings L
• 2 ITT Fi es L
• 2 Au al Wa nings
L L
5. APU will auto shut down in flight CO ECT ANSWE LL L CO ECT ANSWE
LL L • Unde speed
L
• FADEC c itical fault L
• Ove speed
L
6. APU will auto shut down on the g ound CO ECT ANSWE L LL L CO ECT ANSWE
LL L • Unde speed
L
• FADEC c itical fault L
, • Ove speed L
• Senso L fail
• High oil temp
• EGT (high)
• Low oil p essu e L L
• Fi e L
7. APU FADEC fi e detection automatic CO ECT ANSWE
L LL L • On G ound CO ECT ANSWE
L LL L 10
seconds lag on shutting it off.
• Anytime CO ECT ANSWE
LL L 1 minute late the APU eme gency stop button will light up.
L L
8. GPU can be used fo APU sta t CO ECT ANSWE L L LL L L eplaces batt 2 but can't eplace batt 1
L
9. If APU is accidentally selected off? CO ECT ANSWE LL L It can be tu ned back on befo e the 1 min cool down
L L
is complete
10. Afte sta ting the left engine with the APU on, what gene ato will powe AC Bus 2 ( ight Engine, Not
L L L L L L
L unning)? CO ECT ANSWE LL L APU Gene ato L L