Dash 8-300 first officer reported shortly after takeoff #1 engine entered an unscheduled feather con...

Narrative:

[After takeoff] at acceleration height the captain called 'flaps up; set climb power; climb checklist.' as I began to pull the condition levers back to 1;050 the aircraft experienced an unusual yaw and unusual engine noise. The #1 engine RPM was indicating the propeller had feathered and the #1 engine torque was indicating max torque. The captain and I agreed these signs indicated an unscheduled feather on the #1 side; and concluded the safest course of action was to secure the engine and return to [departure airport] to land. We [advised] ATC; notified dispatch; briefed the flight attendant; and informed the passengers. ATC gave us vectors while we completed all applicable checklists before returning to land. We landed safely with no further incident.

Original NASA ASRS Text

Title: Dash 8-300 FO reported shortly after takeoff #1 engine entered an unscheduled feather condition. Engine was secured and flight returned to departure airport.

Narrative: [After takeoff] at acceleration height the Captain called 'flaps up; set climb power; climb checklist.' As I began to pull the condition levers back to 1;050 the aircraft experienced an unusual yaw and unusual engine noise. The #1 engine RPM was indicating the propeller had feathered and the #1 engine torque was indicating max torque. The captain and I agreed these signs indicated an unscheduled feather on the #1 side; and concluded the safest course of action was to secure the engine and return to [departure airport] to land. We [advised] ATC; notified dispatch; briefed the flight attendant; and informed the passengers. ATC gave us vectors while we completed all applicable checklists before returning to land. We landed safely with no further incident.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Attributes
ACN	1319832
Time
Date	201512
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	Dash 8-300
Operating Under FAR Part	Part 121
Flight Phase	Initial Climb
Flight Plan	IFR
Component
Aircraft Component	Turbine Engine
Person 1
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Critical

Dash 8-300 first officer reported shortly after takeoff #1 engine entered an unscheduled feather condition. Engine was secured and flight returned to departure airport.