Piper J3 cub pilot reported landing in a field because of inability to maintain altitude.

Attributes
ACN	1367726
Time
Date	201606
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	J3 Cub
Operating Under FAR Part	Part 91
Flight Phase	Initial Climb
Flight Plan	None
Component
Aircraft Component	Engine
Person 1
Function	Pilot Flying Single Pilot
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 20 Flight Crew Total 10000 Flight Crew Type 300
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

Unable to maintain altitude. Landed in wheat field.

Original NASA ASRS Text

Title: Piper J3 Cub pilot reported landing in a field because of inability to maintain altitude.

Narrative: Unable to maintain altitude. Landed in wheat field.

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.