<< >> NASA ASRS Report 381770, September 1997

Flight crew of an medium large transport failed to slow aircraft to the required 250 KTS below 10000 ft during a visual descent from a STAR arrival. Slowing action was taken after 500 ft below required altitude.

Attributes
ACN	381770
Time
Date	199709
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : las
State Reference	NV
Altitude	msl bound lower : 9500 msl bound upper : 10000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent : approach descent other
Route In Use	approach : visual arrival other arrival star : star enroute airway : las
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 210 flight time total : 23000 flight time type : 1000
ASRS Report	381770
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	non adherence : far other anomaly
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Approaching las from the east over crow intersection we were cleared for a visual approach to las runway 25L at 10000 ft MSL and flying at approximately 280 KTS on the GS I began a descent on the GS without first slowing to 250 KTS. Both myself and the first officer were pre-disposed with locating traffic ahead of us and below on the approach. At 9500 ft I recognized the excessive speed and deployed speed brakes and leveled the aircraft to slow. The WX was perfect and the view over lake meade was stupendous. Both the first officer and I were lulled into complacency at that point in time. There was only one other aircraft on the approach at the time and flight was relative. The result was a momentary lack of situational awareness and compliance with procedures.

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Original NASA ASRS Text

Title: FLC OF AN MLG FAILED TO SLOW ACFT TO THE REQUIRED 250 KTS BELOW 10000 FT DURING A VISUAL DSCNT FROM A STAR ARR. SLOWING ACTION WAS TAKEN AFTER 500 FT BELOW REQUIRED ALT.

Narrative: APCHING LAS FROM THE E OVER CROW INTXN WE WERE CLRED FOR A VISUAL APCH TO LAS RWY 25L AT 10000 FT MSL AND FLYING AT APPROX 280 KTS ON THE GS I BEGAN A DSCNT ON THE GS WITHOUT FIRST SLOWING TO 250 KTS. BOTH MYSELF AND THE FO WERE PRE-DISPOSED WITH LOCATING TFC AHEAD OF US AND BELOW ON THE APCH. AT 9500 FT I RECOGNIZED THE EXCESSIVE SPD AND DEPLOYED SPD BRAKES AND LEVELED THE ACFT TO SLOW. THE WX WAS PERFECT AND THE VIEW OVER LAKE MEADE WAS STUPENDOUS. BOTH THE FO AND I WERE LULLED INTO COMPLACENCY AT THAT POINT IN TIME. THERE WAS ONLY ONE OTHER ACFT ON THE APCH AT THE TIME AND FLT WAS RELATIVE. THE RESULT WAS A MOMENTARY LACK OF SITUATIONAL AWARENESS AND COMPLIANCE WITH PROCS.

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.