<< >> NASA ASRS Report 1005101, April 2012

When the left engine started to run rough; the pilot of a cessna twin declared an emergency and returned to his departure airport.

Attributes
ACN	1005101
Time
Date	201204
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Cessna Twin Piston Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	Initial Climb
Route In Use	Vectors
Flight Plan	IFR
Component
Aircraft Component	Engine
Person 1
Function	Pilot Flying Single Pilot
Experience	Flight Crew Last 90 Days 15 Flight Crew Total 1900 Flight Crew Type 1350
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

Shortly after departure I noticed a rough running left engine. No indications of malfunctions from flight instruments or controls. As a precaution; I requested a return to my departure airport; and mentioned possible problem with left engine. Approach asked if an emergency would be declared; and I did; in fact; declare an emergency. I was vectored back towards and handed off to the tower and landed without incident.

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Original NASA ASRS Text

Title: When the left engine started to run rough; the pilot of a Cessna twin declared an emergency and returned to his departure airport.

Narrative: Shortly after departure I noticed a rough running left engine. No indications of malfunctions from flight instruments or controls. As a precaution; I requested a return to my departure airport; and mentioned possible problem with left engine. Approach asked if an emergency would be declared; and I did; in fact; declare an emergency. I was vectored back towards and handed off to the Tower and landed without incident.

Data retrieved from NASA's ASRS site as of July 2013 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.