GA pilot reported a near midair collision in the pattern of a towered airport.

Attributes
ACN	1554874
Time
Date	201806
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	Skywagon 185
Operating Under FAR Part	Part 91
Flight Phase	Initial Approach
Route In Use	Visual Approach Direct
Flight Plan	None
Aircraft 2
Make Model Name	Cessna Aircraft Undifferentiated or Other Model
Flight Phase	Initial Climb
Person 1
Function	Pilot Flying
Qualification	Flight Crew Private
Experience	Flight Crew Last 90 Days 15 Flight Crew Total 826 Flight Crew Type 18
Events
Anomaly	ATC Issue All Types Conflict NMAC
Miss Distance	Vertical 100

Narrative:

We were right downwind at the departure end of runway when a cessna passed under us about 100 feet lower on a right crosswind departure. While we had overhead inbound traffic behind us (stationair 206) heard a takeoff clearance for the cessna. There was no warning of the crosswind traffic. We did expect it and saw it soon enough to clear. The cessna made a transmission that a tail dragger just flew right over them. Subsequently the tower warned them of the stationair and the stationair of them.

Original NASA ASRS Text

Title: GA pilot reported a near midair collision in the pattern of a towered airport.

Narrative: We were right downwind at the departure end of runway when a Cessna passed under us about 100 feet lower on a right crosswind departure. While we had overhead inbound traffic behind us (Stationair 206) heard a takeoff clearance for the Cessna. There was no warning of the crosswind traffic. We did expect it and saw it soon enough to clear. The Cessna made a transmission that a tail dragger just flew right over them. Subsequently the Tower warned them of the Stationair and the Stationair of them.

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.