B737 crew landed at ord without obtaining landing clearance.

Attributes
ACN	468770
Time
Date	200004
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : ord.airport
State Reference	IL
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : ord.tower
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 27r other
Flight Phase	descent : approach landing : roll
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 150 flight time total : 3800 flight time type : 700
ASRS Report	468770
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	incursion : landing without clearance non adherence : company policies non adherence : clearance non adherence : far non adherence : published procedure other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Clearance was to follow traffic and contact the tower at the marker. We got involved in trying to spot the preceding aircraft and forgot to switch to the tower frequency. We landed without a clearance.

Original NASA ASRS Text

Title: B737 CREW LANDED AT ORD WITHOUT OBTAINING LNDG CLRNC.

Narrative: CLRNC WAS TO FOLLOW TFC AND CONTACT THE TWR AT THE MARKER. WE GOT INVOLVED IN TRYING TO SPOT THE PRECEDING ACFT AND FORGOT TO SWITCH TO THE TWR FREQ. WE LANDED WITHOUT A CLRNC.

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.