An small aircraft landed wheels up.

Attributes
ACN	262875
Time
Date	199401
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : smx
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : smx
Operator	general aviation : personal
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	landing other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : instrument
Experience	flight time total : 2000
ASRS Report	262875
Events
Anomaly	aircraft equipment problem : critical non adherence : published procedure other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

On final approach to runway 20 placed landing gear selector in down position. Air was bumpy and didn't notice lack of pitch change associated with extension of gear. Didn't notice gear lights were out. Checked all bulb to be active, but felt gear was down. Landed with gear retracted. I believe the gear visual check on the floor is so poorly visible as to be non-usable. I should have checked with tower for visual check as I didn't have green light. Tower was obscured by trees. I should have taken a wave off and had tower confirm gear extension. I believe the defect was a short in the electrical system so extension was not affected. Aircraft had minimal damage, engine was at idle, propeller bent, minimal damage to undersurface of fuselage.

Original NASA ASRS Text

Title: AN SMA LANDED WHEELS UP.

Narrative: ON FINAL APCH TO RWY 20 PLACED LNDG GEAR SELECTOR IN DOWN POS. AIR WAS BUMPY AND DIDN'T NOTICE LACK OF PITCH CHANGE ASSOCIATED WITH EXTENSION OF GEAR. DIDN'T NOTICE GEAR LIGHTS WERE OUT. CHKED ALL BULB TO BE ACTIVE, BUT FELT GEAR WAS DOWN. LANDED WITH GEAR RETRACTED. I BELIEVE THE GEAR VISUAL CHK ON THE FLOOR IS SO POORLY VISIBLE AS TO BE NON-USABLE. I SHOULD HAVE CHKED WITH TWR FOR VISUAL CHK AS I DIDN'T HAVE GREEN LIGHT. TWR WAS OBSCURED BY TREES. I SHOULD HAVE TAKEN A WAVE OFF AND HAD TWR CONFIRM GEAR EXTENSION. I BELIEVE THE DEFECT WAS A SHORT IN THE ELECTRICAL SYS SO EXTENSION WAS NOT AFFECTED. ACFT HAD MINIMAL DAMAGE, ENG WAS AT IDLE, PROP BENT, MINIMAL DAMAGE TO UNDERSURFACE OF FUSELAGE.

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.