Accident Ryan Navion N4111K, Sunday 1 September 1991

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Date:	Sunday 1 September 1991
Time:	12:15 LT
Type:	Ryan Navion
Owner/operator:	Private
Registration:	N4111K
MSN:	NAV-4-1111
Engine model:	Continental O-470
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Chelan, WA - United States of America
Phase:	Initial climb
Nature:	Private
Departure airport:
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
JUST AFTER TAKE OFF, THE AIRPLANE ENCOUNTERED A DOWN DRAFT. THE PILOT LOWERED THE NOSE OF THE AIRPLANE TO INCREASE AIRSPEED AND MADE A RIGHT TURN PASSING OVER BUILDINGS, HANGARS, AND THE PARKING RAMP. THE AIRPLANE COMPLETED A 360 DEGREE TURN AND THE RIGHT WING CONTACTED THE RAMP. THE PILOT WAS ABLE TO CONTINUE TO FLY THE AIRPLANE AND RETURNED FOR LANDING WITHOUT FURTHER INCIDENT.

Probable Cause: POOR IN FLIGHT PLANNING/DECISION BY THE PILOT IN COMMAND. FACTORS TO THE ACCIDENT WERE: DOWN DRAFTS, PROPER ALIGNMENT WAS NOT MAINTAINED AND INADEQUATE REMEDIAL ACTION.

Accident investigation: