NTSB Identification: CHI85FER01.
The docket is stored on NTSB microfiche number 29622.
Accident occurred Sunday, June 23, 1985 in ST. PAUL, MN
Aircraft: PZL PZL-104 WILGA 35A, registration: N81AS
Injuries: 2 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ACFT CONTACTED THE RWY FOLLOWING A LOSS OF CONTROL DURING TAKEOFF. AT AN ALT OF 50 TO 100 FT AGL AFTER A MAXIMUM PERFORMANCE TAKEOFF, THE PLT RAPIDLY RAISED THE FLAPS FROM 44 TO 0 DEGS AND THE ACFT SUDDENLY PITCHED NOSE DOWN. THE PLT ATTEMPTED REMEDIAL ACTION, HOWEVER, THE ACFT CONTACTED THE RWY IN A LEVEL ATTITUDE. BOTH PERSONS ON BOARD STATED THEFLT CONTROLS FELT AS IF THEY WERE FROZEN. THE ACFT BOUNCED BACK INTO THE AIR, CLIMBED TO AN ALT OF APRX 100 FT AGL AND AGAIN PITCHED NOSE DOWN. THE ACFT IMPACTED A SECOND TIME IN A LEFT WING, NOSE LOW ATTITUDE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLIGHT CONTROL SURFACES/ATTACHMENTS..UNDETERMINED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

RAISING OF FLAPS..EXCESSIVE..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PROPER CLIMB RATE..NOT POSSIBLE..PILOT IN COMMAND

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