<< >> NASA ASRS Report 1699731, November 2019

C172 instructor and student reported engine sputter and fumes during climb; resulting in a return to the departure airport.

Attributes
ACN	1699731
Time
Date	201911
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	Climb
Flight Plan	None
Component
Aircraft Component	Engine
Person 1
Function	Instructor
Qualification	Flight Crew Flight Instructor
Events
Anomaly	Aircraft Equipment Problem Critical Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor

Narrative:

While on initial climbout; out of ZZZ; the engine sputtered and exhaust fumes filled the cabin. Instructor asked student if he smelled it as well; student confirmed and then opened windows. Instructor notified tower and made an air turn back. While on downwind; the engine sputtered again. No further issues were noticed.

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Original NASA ASRS Text

Title: C172 instructor and student reported engine sputter and fumes during climb; resulting in a return to the departure airport.

Narrative: While on initial climbout; out of ZZZ; the engine sputtered and exhaust fumes filled the cabin. Instructor asked Student if he smelled it as well; Student confirmed and then opened windows. Instructor notified Tower and made an air turn back. While on downwind; the engine sputtered again. No further issues were noticed.

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.