Narrative:

I was on base leg to final when the second aircraft called on the radio announcing their position on a practice VOR approach. The approach was to runway 23 and the runway in use was runway 5. I called the aircraft to verify that they had me in sight on final. After the short exchange on the radio, they continued to fly the missed approach and I continued the short final approach to a gear-up landing. Contributing factors: 1) the lake aircraft does not have a gear warning system. 2) the radio conversation and looking for the traffic approaching the opposite end of the runway, interrupted my approach check sequence. 3) cockpit lighting in the lake around the flap and gear control is marginal. Corrective actions: 1) install an after market gear warning system. 2) improve interior lighting in aircraft. Human performance considerations: 1) I should have extended my approach pattern or made a go around until conflict with traffic was resolved. This would have given me more time to review my checklist. 2) this was a 'night' landing currency flight for this aircraft. The engine is on top of the fuselage and the fuselage has a boat type keel, therefore, minor skin damage was the result of the gear-up mishap.

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Original NASA ASRS Text

Title: LA4 GEAR UP LNDG. PLT ATTRIBUTES INCIDENT TO TFC DISTR AND LACK OF GEAR WARNING SYS.

Narrative: I WAS ON BASE LEG TO FINAL WHEN THE SECOND ACFT CALLED ON THE RADIO ANNOUNCING THEIR POS ON A PRACTICE VOR APCH. THE APCH WAS TO RWY 23 AND THE RWY IN USE WAS RWY 5. I CALLED THE ACFT TO VERIFY THAT THEY HAD ME IN SIGHT ON FINAL. AFTER THE SHORT EXCHANGE ON THE RADIO, THEY CONTINUED TO FLY THE MISSED APCH AND I CONTINUED THE SHORT FINAL APCH TO A GEAR-UP LNDG. CONTRIBUTING FACTORS: 1) THE LAKE ACFT DOES NOT HAVE A GEAR WARNING SYS. 2) THE RADIO CONVERSATION AND LOOKING FOR THE TFC APCHING THE OPPOSITE END OF THE RWY, INTERRUPTED MY APCH CHK SEQUENCE. 3) COCKPIT LIGHTING IN THE LAKE AROUND THE FLAP AND GEAR CTL IS MARGINAL. CORRECTIVE ACTIONS: 1) INSTALL AN AFTER MARKET GEAR WARNING SYS. 2) IMPROVE INTERIOR LIGHTING IN ACFT. HUMAN PERFORMANCE CONSIDERATIONS: 1) I SHOULD HAVE EXTENDED MY APCH PATTERN OR MADE A GAR UNTIL CONFLICT WITH TFC WAS RESOLVED. THIS WOULD HAVE GIVEN ME MORE TIME TO REVIEW MY CHKLIST. 2) THIS WAS A 'NIGHT' LNDG CURRENCY FLT FOR THIS ACFT. THE ENG IS ON TOP OF THE FUSELAGE AND THE FUSELAGE HAS A BOAT TYPE KEEL, THEREFORE, MINOR SKIN DAMAGE WAS THE RESULT OF THE GEAR-UP MISHAP.

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.