<< >> NASA ASRS Report 478367, July 2000

Propeller strike. A C172 rg is put back down on the runway when initially getting airborne after the nose gear started to collapse. On touchdown it was realized that the gear handle and all three gears were now up at hnl.

Attributes
ACN	478367
Time
Date	200007
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : hnl.airport
State Reference	HI
Altitude	agl bound lower : 0 agl bound upper : 20
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : hnl.tower
Operator	general aviation : instructional
Make Model Name	Cardinal 177/177RG
Operating Under FAR Part	Part 91
Flight Phase	climbout : takeoff landing : roll
Flight Plan	None
Person 1
Affiliation	other
Function	instruction : instructor
Qualification	pilot : cfi pilot : instrument pilot : commercial
ASRS Report	478367
Person 2
Affiliation	other
Function	instruction : trainee
Qualification	pilot : student
Events
Anomaly	aircraft equipment problem : critical ground encounters : gear up landing maintenance problem : improper maintenance other anomaly
Independent Detector	other flight crewa
Resolutory Action	flight crew : landed as precaution
Consequence	other other other
Supplementary
Problem Areas	Flight Crew Human Performance Aircraft
Primary Problem	Aircraft

Narrative:

My student and I experienced a gear collapse on takeoff run. Prior to takeoff roll, we checked the green light and gear handle was down. As we were starting to rotate, the nose fell down and the propeller hit the runway. I, as the instructor, took the controls and pulled up. We managed to get the airplane airborne and stabilized it before I put the aircraft back down. At that point, the gear was up, and so was the gear handle. Both my student and I are positive that the gear handle was down prior to takeoff roll, but something made it come up.

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Original NASA ASRS Text

Title: PROP STRIKE. A C172 RG IS PUT BACK DOWN ON THE RWY WHEN INITIALLY GETTING AIRBORNE AFTER THE NOSE GEAR STARTED TO COLLAPSE. ON TOUCHDOWN IT WAS REALIZED THAT THE GEAR HANDLE AND ALL THREE GEARS WERE NOW UP AT HNL.

Narrative: MY STUDENT AND I EXPERIENCED A GEAR COLLAPSE ON TKOF RUN. PRIOR TO TKOF ROLL, WE CHKED THE GREEN LIGHT AND GEAR HANDLE WAS DOWN. AS WE WERE STARTING TO ROTATE, THE NOSE FELL DOWN AND THE PROP HIT THE RWY. I, AS THE INSTRUCTOR, TOOK THE CTLS AND PULLED UP. WE MANAGED TO GET THE AIRPLANE AIRBORNE AND STABILIZED IT BEFORE I PUT THE ACFT BACK DOWN. AT THAT POINT, THE GEAR WAS UP, AND SO WAS THE GEAR HANDLE. BOTH MY STUDENT AND I ARE POSITIVE THAT THE GEAR HANDLE WAS DOWN PRIOR TO TKOF ROLL, BUT SOMETHING MADE IT COME UP.

Data retrieved from NASA's ASRS site as of July 2007 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.