Horizon Air Q400 Flows with expanded
procedures with complete Solutions
Engine Start Procedure as directed by the Captain - ANSWER-Pilot Starting Engines
4. Center Console when NH rotation is indicated
- Condition Lever: Start & Feather
- Engine Start: Monitor
Verify Nh Accelerates to green arc within 70 seconds
Verify ITT does not exceed 920 C
Verify Oil Pressure reaches 44 psi by start SELECT switch reset
Verify Start SELECT switch resets
After Start SELECT Switch Resets
FO: Air Conditioning Panel
- Bleed 1 or 2: (as appropriate) ON
Repeat Start Procedures for other engine after
- Select Light extinguishes
- Main BATT load of .40 or less is indicated on ELECTRICAL system page
After Both Engines Started
FO: Air Conditioning Panel
- Bleed 1 or 2: (as appropriate) ON
- Recirc Fan: Recirc
- APU GEN: Press Out
- APU PWR: Press Out
FO's After Landing Flow - ANSWER-1. Aft Center Console
- Flaps: Up
- Radar: STBY
, 2. Air Conditioning Panel
- Bleed 1&2: On
- Bleed Selector: As Desired
FO's After Start Flow to AC Gen extinguish - ANSWER-After Captain initiates their After
Start Flow
1. Engine Start Panel
- Verify Engine START and SELECT lights are extinguished. (15 sec.)
2. Air Conditioning Panel
- Bleed Flow Control: Normal position is min
- Recirc Fan: Verify Recirc
3. First Officers Displays
- MFD Electrical: Confirm DC EXT POWER is not displayed, MAIN, AUX, STBY BATT
is -20C or higher, BATT loads decreasing.
4. Hydraulic control Panel
- HYD #3 ISOL VLV: Press in (open)
5. Control Wheel
- Elevator Travel: Check ELEVATOR PRESS light illuminated, check for full travel
- Ailerons and Roll Spoilers: Check for free movement and appropriate indications on #1
MFD
6. Hydraulic Control Panel
- HYD #3 ISOL VLV: Press Out (Dark)
Continue after both AC GEN lights extinguish
7. Flaps
- Set for Takeoff
8. Hydraulic Control Panel
- STBY HYD PRESS: Press in (on) and pressure rises
- PTU CONTROL: Press in (on)
- Hydraulic Pressure: Check PK BRK, #1 and #2: 2900-3100 PSI, STBY 2800-3000 PSI
9. Center Console
- Tank 1 and 2 AUX PUMP switches: Press in (on)
- MTOP Switch (if used): Press in and check MTOP on PFD
- AUTOFEATHER Switch: Press in and verify A/F SELECT on MFD
- ESID Control Panel: Select #2 MFD to NAV
10. Deice Pressure 1 & 2 indicator
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