Narrative:

Landed without switching to tower frequency and obtaining landing clearance. A series of events led to being somewhat distraction in the final phase of flight. Security people at gsp were overwhelmed with the volume of passenger. Apparently it's that way every morning. Many passenger were not yet at the gate when pushback time arrived, so we waited. During descent, I passed control of the aircraft to the captain and looked over the connections and made suggestions to the lead flight attendant on how to resolve tight connections. Things settled down after this task was complete, although I think we both were still somewhat distraction by disrupting our habit patterns during descent/approach. The PNF (captain) would normally contact tower. The PNF also calls '1000 ft, cleared to land' or '1000 ft, no landing clearance.' I do not recall whether or not he made this call. Most capts turn on their nose lights when receiving landing clearance and first officer's press a button as a visual reminder of having received landing clearance (both technique but not procedure). Radio was very quiet this early in the morning, not much traffic. As we cleared the runway, we heard approach talking on the radio (vice tower) and realized our error. Neither the nose light was on nor was the button pressed. Bottom line: the captain had not switched to tower and obtained landing clearance, and I didn't catch it. Also a factor: this was my first trip in 2 months.

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Original NASA ASRS Text

Title: AN MD88 FLC LWOC WHEN FORGETTING TO SWITCH TO THE TWR AT ATL, GA.

Narrative: LANDED WITHOUT SWITCHING TO TWR FREQ AND OBTAINING LNDG CLRNC. A SERIES OF EVENTS LED TO BEING SOMEWHAT DISTR IN THE FINAL PHASE OF FLT. SECURITY PEOPLE AT GSP WERE OVERWHELMED WITH THE VOLUME OF PAX. APPARENTLY IT'S THAT WAY EVERY MORNING. MANY PAX WERE NOT YET AT THE GATE WHEN PUSHBACK TIME ARRIVED, SO WE WAITED. DURING DSCNT, I PASSED CTL OF THE ACFT TO THE CAPT AND LOOKED OVER THE CONNECTIONS AND MADE SUGGESTIONS TO THE LEAD FLT ATTENDANT ON HOW TO RESOLVE TIGHT CONNECTIONS. THINGS SETTLED DOWN AFTER THIS TASK WAS COMPLETE, ALTHOUGH I THINK WE BOTH WERE STILL SOMEWHAT DISTR BY DISRUPTING OUR HABIT PATTERNS DURING DSCNT/APCH. THE PNF (CAPT) WOULD NORMALLY CONTACT TWR. THE PNF ALSO CALLS '1000 FT, CLRED TO LAND' OR '1000 FT, NO LNDG CLRNC.' I DO NOT RECALL WHETHER OR NOT HE MADE THIS CALL. MOST CAPTS TURN ON THEIR NOSE LIGHTS WHEN RECEIVING LNDG CLRNC AND FO'S PRESS A BUTTON AS A VISUAL REMINDER OF HAVING RECEIVED LNDG CLRNC (BOTH TECHNIQUE BUT NOT PROC). RADIO WAS VERY QUIET THIS EARLY IN THE MORNING, NOT MUCH TFC. AS WE CLRED THE RWY, WE HEARD APCH TALKING ON THE RADIO (VICE TWR) AND REALIZED OUR ERROR. NEITHER THE NOSE LIGHT WAS ON NOR WAS THE BUTTON PRESSED. BOTTOM LINE: THE CAPT HAD NOT SWITCHED TO TWR AND OBTAINED LNDG CLRNC, AND I DIDN'T CATCH IT. ALSO A FACTOR: THIS WAS MY FIRST TRIP IN 2 MONTHS.

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.