Date: 202112
Local time of day: 0001-0600
Location: ZZZ.Airport, US
Flight conditions: VMC
Light: Night
Aircraft: Dash 8 Series Undifferentiated or Other Model
Operator: Air Carrier
Operating under: Part 121
Flight plan: IFR
Mission: Passenger
Flight phase: Parked
Aircraft component: Electrical Distribution
Component problem: Malfunctioning
Reporter organization: Air Carrier
Reporter function: Captain; Pilot Flying
Reporter qualification: Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument
Human factors: Troubleshooting
Second reporter function: Pilot Not Flying; First Officer
Anomaly: Aircraft Equipment Problem Critical; Deviation / Discrepancy - Procedural Published Material / Policy; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Detector: Person Flight Crew
When detected: Aircraft In Service At Gate
Result: General Evacuated; General Maintenance Action; General Flight Cancelled / Delayed
Contributing factors: Aircraft; Human Factors; Procedure
Primary problem: Aircraft

Narrative: After boarding and checklists complete; I contacted iceman to inform them that brake was set and aircraft was configured for deice type 1 wings and tail. Shortly there after approximately 4-5 mins; smoke began rising slowly from the area behind Captain iPad x-grip; aft section of Captain side front windshield and First Officer informed me they saw smoke coming from behind the Captain side circuit breaker panel. I did not observe smoke coming from the gaspers. I called for the smoke on flight deck IAC (Immediate Action Checklist); First Officer began running the Smoke Removal Checklist. I ceased that checklist and asked for the Evacuation Checklist due to it being more appropriate for situation and very similar to smoke/fire on ground checklist. As First Officer was selecting that checklist I called the flight attendants via the call button and informed them of the situation and that an evacuation needed to be performed due to smoke on the flight deck. Evacuation Checklist was performed and flight attendants performed the cabin evacuation. ATC was informed of situation; priority handling and ARFF requested. First Officer and I exited the aircraft after everyone had deplaned.After processing the event; I should have specified which doors to use when communicating with flight attendants for the evacuation. An expeditious deplaning may have also been appropriate. However; I felt that the evacuation was more conservative due to the presence of smoke on the flight deck.


Second narrative: On day 1; leg 1 of my first IOE trip we experienced smoke in cockpit prior to engine start. Through the entirety of this event; we were parked at the gate with the engines shut down. We were being de-iced at the time of the event.The smoke seemed to be coming from behind the Captain's seat; near the circuit breaker panel. It smelled; to me; like burnt hair. We verbalized to each other that there was smoke in the cockpit and the Captain asked for the smoke in flight deck on ground checklist. However; as the smoke worsened; the Captain decided to evacuate the aircraft. He communicated this to the flight attendants who began the evacuation. We did not accomplish any items from the aircraft fire/smoke warning on ground or smoke removal checklists. There was not an indication of fire as either a master warning or illuminated t-handle. We began the Evacuation Checklist together. The Smoke Extg light was not illuminated and was not pushed. I shut down the APU; as prompted by the checklist; and only the generator and power button were illuminated. After completion of the checklist we exited the aircraft and all passengers and flight attendants were already deplaned.


Synopsis: Dash 8 flight crew reported smoke and fumes in the cockpit and elected to evacuate the aircraft.