Air carrier medium large transport unauthorized landing at las.

Attributes
ACN	85047
Time
Date	198804
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : las
State Reference	NV
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : las tower : las
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	descent : approach landing other
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : flight engineer pilot : cfi
Experience	flight time last 90 days : 200 flight time total : 9000 flight time type : 400
ASRS Report	85047
Person 2
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 8200
Events
Anomaly	incursion : landing without clearance inflight encounter : weather non adherence : far
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

We were on a flight to las. Encountered severe convective activity and windshear while on approach to runway 25 las. We were discussing said shear and initiating corrective action on short final and neglected to notice approach control had failed to change us to tower. Realized this when time to switch to ground. Verbally contacted and apologized to tower controllers. Excessively focused on shear. No windshear alert from glass cockpit EFIS system on medium large transport even though severe shear present. Supplemental information from acn 84946: we were tired. We got complacent on this very routine landing.

Original NASA ASRS Text

Title: ACR MLG UNAUTH LNDG AT LAS.

Narrative: WE WERE ON A FLT TO LAS. ENCOUNTERED SEVERE CONVECTIVE ACTIVITY AND WINDSHEAR WHILE ON APCH TO RWY 25 LAS. WE WERE DISCUSSING SAID SHEAR AND INITIATING CORRECTIVE ACTION ON SHORT FINAL AND NEGLECTED TO NOTICE APCH CTL HAD FAILED TO CHANGE US TO TWR. REALIZED THIS WHEN TIME TO SWITCH TO GND. VERBALLY CONTACTED AND APOLOGIZED TO TWR CTLRS. EXCESSIVELY FOCUSED ON SHEAR. NO WINDSHEAR ALERT FROM GLASS COCKPIT EFIS SYS ON MLG EVEN THOUGH SEVERE SHEAR PRESENT. SUPPLEMENTAL INFO FROM ACN 84946: WE WERE TIRED. WE GOT COMPLACENT ON THIS VERY ROUTINE LNDG.

Data retrieved from NASA's ASRS site as of August 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.