De Havilland Dash 8‑400 (Q400)
Comprehensive Normal & Abnormal Checklist ASOP
For flight‑simulation training only – NOT for real‑world aviation use.
Legend
- PF – Pilot Flying PM – Pilot Monitoring
- Italic – Call‑outs Bold – Memory item/trigger
- (A) – Automatic call/alert (M) – Manoeuvre
Normal Operations Checklists
Cautions & Notes
Aborted Start - Condition Lever FUEL OFF immediately. Max ITT start limit 920 °C for max 20 s. Min 30 s between start attempts.
Taxi - Brake check at first movement: “Brakes checked, pressure ___”.
Landing - Touchdown: Power Levers DISC - GROUND RANGE - Reverse. Reverse idle at 60 kt.
ENGINE FIRE or SEVERE DAMAGE (In‑Flight)
| Step | Action |
|---|
| 1 | Power Lever (affected) → FLIGHT IDLE |
| 2 | Condition Lever (affected) → CONFIRM → FUEL OFF |
| 3 | Alternate Feather → PUSH (if Np not decreasing) |
| 4 | Fuel Firewall Shutoff → CLOSED |
| 5 | Engine Fire Handle → CONFIRM → PULL |
| 6 | Extinguisher FWD → PUSH, wait 30 s |
| 7 | If fire persists → Extinguisher AFT → PUSH |
PROPELLER OVERSPEED
| Item | Action |
|---|
| Power Lever (affected) | FLIGHT IDLE |
| Condition Lever (affected) | START & FEATHER |
| If Np not decreasing | Alternate Feather → PUSH |
| Monitor | Np decay toward feather |
EMERGENCY DESCENT
| Item | Action |
|---|
| Announce | ”EMERGENCY DESCENT” (×3) |
| SIGNS | ON |
| Oxygen Masks | ON |
| Condition Levers | MAX (1020 RPM) |
| Power Levers | FLIGHT IDLE |
| Target Speed | VMO (altitude dependent, max ~286 KIAS at 18,000 ft) |
| Descend | Lowest safe alt or 10 000 ft |
Quick‑Reference Flap Schedule (Dash 8‑400)
| Config | Placard Limit |
|---|
| Flaps 0 | 245 KIAS (SL–8 000 ft) |
| Flaps 5 | 200 KIAS |
| Flaps 10 | 181 KIAS |
| Flaps 15 | 172 KIAS |
| Flaps 35 | 158 KIAS |
Propeller RPM Settings
| Phase | Np (RPM) |
|---|
| Take‑Off / Go‑Around | 1020 (MAX) |
| Climb | 900 |
| Cruise | 850 |
Typical Speeds (~56 000 lb / Flaps 15)
| Speed | KIAS |
|---|
| V1 | ~108 |
| VR | ~112 |
| V2 | ~118 |
| VREF | ~116 |
Gear Limits
| Limit | Speed |
|---|
| VLO (extend/retract) | 200 KIAS |
| VLE (extended) | 215 KIAS |
Revision History
| Rev | Date | Note | Author |
|---|
| 1.0 | 28 Mar 2026 | Initial checklist issue | ACVA Team |
| 1.1 | 23 May 2026 | Accuracy pass: PW150A ITT start limit corrected (920 °C / 20 s), emergency descent VMO clarified as altitude-stepped | ACVA Team |
Disclaimer
These checklists are abridged adaptations of De Havilland / Bombardier public‑domain procedures for simulation. They do not replicate proprietary FCOM text and must not be used for commercial operations. 
