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Small aircraft applies power during touch and go practice, aircraft pulls to right. 20 ft airborne, pulls power. Lands.
| Attributes | |
| ACN | 210058 |
| Time | |
| Date | 199205 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : haf |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Fixed Gear |
| Flight Phase | climbout : takeoff landing other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 6 flight time total : 530 flight time type : 6 |
| ASRS Report | 210058 |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other other : unspecified cockpit |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
I had been practicing touch and go's at har. Just after my fifth landing, I applied power and began a new takeoff roll. Suddenly, there was a thunk and the aircraft began pulling to the right. I thought it might be the nosewheel steering. I felt I was able to overpwr the pull after the aircraft took off, it still pulled to the right. At an altitude of perhaps 20 ft AGL, I cut power and landed on the remaining runway. I still had difficulty keeping the aircraft aligned during rollout. As I slowed down near the far end of the runway, I glanced down and saw that the autoplt had been turned on. Apparently, my hand glanced against the autoplt on-off switch while applying throttle power. The incident was caused partly by my inexperience with this particular plane (I have flown small aircraft's before). My successful handling can be credited to the club instructor who had checked me out in this aircraft. One area he stressed was checking the autoplt on the ground to be sure you could overpwr it. So I figured out I should check there as I slowed down. I think I was right to land rather than continue and troubleshoot in the air.
Original NASA ASRS Text
Title: SMA APPLIES PWR DURING TOUCH AND GO PRACTICE, ACFT PULLS TO R. 20 FT AIRBORNE, PULLS PWR. LANDS.
Narrative: I HAD BEEN PRACTICING TOUCH AND GO'S AT HAR. JUST AFTER MY FIFTH LNDG, I APPLIED PWR AND BEGAN A NEW TKOF ROLL. SUDDENLY, THERE WAS A THUNK AND THE ACFT BEGAN PULLING TO THE R. I THOUGHT IT MIGHT BE THE NOSEWHEEL STEERING. I FELT I WAS ABLE TO OVERPWR THE PULL AFTER THE ACFT TOOK OFF, IT STILL PULLED TO THE R. AT AN ALT OF PERHAPS 20 FT AGL, I CUT PWR AND LANDED ON THE REMAINING RWY. I STILL HAD DIFFICULTY KEEPING THE ACFT ALIGNED DURING ROLLOUT. AS I SLOWED DOWN NEAR THE FAR END OF THE RWY, I GLANCED DOWN AND SAW THAT THE AUTOPLT HAD BEEN TURNED ON. APPARENTLY, MY HAND GLANCED AGAINST THE AUTOPLT ON-OFF SWITCH WHILE APPLYING THROTTLE PWR. THE INCIDENT WAS CAUSED PARTLY BY MY INEXPERIENCE WITH THIS PARTICULAR PLANE (I HAVE FLOWN SMA'S BEFORE). MY SUCCESSFUL HANDLING CAN BE CREDITED TO THE CLUB INSTRUCTOR WHO HAD CHKED ME OUT IN THIS ACFT. ONE AREA HE STRESSED WAS CHKING THE AUTOPLT ON THE GND TO BE SURE YOU COULD OVERPWR IT. SO I FIGURED OUT I SHOULD CHK THERE AS I SLOWED DOWN. I THINK I WAS RIGHT TO LAND RATHER THAN CONTINUE AND TROUBLESHOOT IN THE AIR.
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.