<< >> NASA ASRS Report 923713, December 2010

A DHC8-100 captain returned to the departure airport for a precautionary landing after the low oil pressure warning light flashed and oil pressure fluctuated several times before reaching 500 ft after takeoff.

Attributes
ACN	923713
Time
Date	201012
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Night
Aircraft 1
Make Model Name	Dash 8-100
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Flight Plan	IFR
Component
Aircraft Component	Oil Pressure Indication
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

At rotation #1 engine oil pressure warning light illuminated and the gauge fluctuated. It then extinguished. Same occurred on two more occasions prior to 500 ft AGL. Light then remained extinguished and pressure remained normal. Returned to the field and made a precautionary landing. Contacted company; dispatch and maintenance.

Related reports:

• The aircraft had just come back from repair for an oil leak ...

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Original NASA ASRS Text

Title: A DHC8-100 Captain returned to the departure airport for a precautionary landing after the low oil pressure warning light flashed and oil pressure fluctuated several times before reaching 500 FT after takeoff.

Narrative: At rotation #1 engine oil pressure warning light illuminated and the gauge fluctuated. It then extinguished. Same occurred on two more occasions prior to 500 FT AGL. Light then remained extinguished and pressure remained normal. Returned to the field and made a precautionary landing. Contacted company; Dispatch and Maintenance.

Data retrieved from NASA's ASRS site as of April 2012 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.