TCAS distraction. Landed atl without contacting tower for clearance.

Attributes
ACN	168712
Time
Date	199101
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : atl
State Reference	GA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : atl tower : jfk
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	landing other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : instrument pilot : flight engineer pilot : commercial pilot : cfi
Experience	flight time last 90 days : 180 flight time total : 24000 flight time type : 2500
ASRS Report	168712
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : atp
Events
Anomaly	incursion : landing without clearance
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Forgot to switch communication radio from approach frequency to atl tower frequency after passing OM inbound to runway 9R. Crew was distracted by TCAS information.

Original NASA ASRS Text

Title: TCAS DISTR. LANDED ATL WITHOUT CONTACTING TWR FOR CLRNC.

Narrative: FORGOT TO SWITCH COM RADIO FROM APCH FREQ TO ATL TWR FREQ AFTER PASSING OM INBND TO RWY 9R. CREW WAS DISTRACTED BY TCAS INFO.

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.