Narrative:

On approach I forgot to lower the landing gear. I never realized I had forgotten until the plane touched down. Damage to plane was minor on fuselage, destroyed propeller. I have approximately 700 hours of rg time. I never hardly fly fixed gear planes. The week prior to this incident I flew 17 hours in a fixed gear aircraft. The morning of july xx I flew 2 hours in a fixed gear aircraft. I traded planes to the retractable that afternoon to fly from bil to gll. Flying this fixed gear plane had a negative impact on my normal flight check for approach to greeley. This small aircraft was rented and on approach I decided to check and see if the ILS system worked (I have my IFR ticket). My downwind and base cut inside the OM because of a microburst thunderstorm in the northwest sector. Approximately over the inner marker the gear horn went off. I thought this horn was the inner marker horn. The horn continued over the threshold so I discounted that the ILS system in the plane worked but also checked the airspeed to see if it could be the stall horn. I continued to land and at touchdown I realized the real reason the horn was sounding. This is my first incident. I usually do not change from plane to plane and fixed gear to a retractable gear aircraft. When pilots change from one plane to another to another this incident enforces the logic for complete flight checks during all operations from the checklist.

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Original NASA ASRS Text

Title: GEAR UP LNDG.

Narrative: ON APCH I FORGOT TO LOWER THE LNDG GEAR. I NEVER REALIZED I HAD FORGOTTEN UNTIL THE PLANE TOUCHED DOWN. DAMAGE TO PLANE WAS MINOR ON FUSELAGE, DESTROYED PROP. I HAVE APPROX 700 HRS OF RG TIME. I NEVER HARDLY FLY FIXED GEAR PLANES. THE WK PRIOR TO THIS INCIDENT I FLEW 17 HRS IN A FIXED GEAR ACFT. THE MORNING OF JULY XX I FLEW 2 HRS IN A FIXED GEAR ACFT. I TRADED PLANES TO THE RETRACTABLE THAT AFTERNOON TO FLY FROM BIL TO GLL. FLYING THIS FIXED GEAR PLANE HAD A NEGATIVE IMPACT ON MY NORMAL FLT CHK FOR APCH TO GREELEY. THIS SMA WAS RENTED AND ON APCH I DECIDED TO CHK AND SEE IF THE ILS SYS WORKED (I HAVE MY IFR TICKET). MY DOWNWIND AND BASE CUT INSIDE THE OM BECAUSE OF A MICROBURST TSTM IN THE NW SECTOR. APPROX OVER THE INNER MARKER THE GEAR HORN WENT OFF. I THOUGHT THIS HORN WAS THE INNER MARKER HORN. THE HORN CONTINUED OVER THE THRESHOLD SO I DISCOUNTED THAT THE ILS SYS IN THE PLANE WORKED BUT ALSO CHKED THE AIRSPD TO SEE IF IT COULD BE THE STALL HORN. I CONTINUED TO LAND AND AT TOUCHDOWN I REALIZED THE REAL REASON THE HORN WAS SOUNDING. THIS IS MY FIRST INCIDENT. I USUALLY DO NOT CHANGE FROM PLANE TO PLANE AND FIXED GEAR TO A RETRACTABLE GEAR ACFT. WHEN PLTS CHANGE FROM ONE PLANE TO ANOTHER TO ANOTHER THIS INCIDENT ENFORCES THE LOGIC FOR COMPLETE FLT CHKS DURING ALL OPS FROM THE CHKLIST.

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.