<< >> NASA ASRS Report 362620, March 1997

Super MD80 at 11000 ft 300 KTS. Cleared descend to 5000 ft. Had 125 KT tailwind. Failed to slow 250 KTS at 10000 ft. No comment from controller when speed reduction made at 9000 ft.

Attributes
ACN	362620
Time
Date	199703
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : bos
State Reference	MA
Altitude	msl bound lower : 9000 msl bound upper : 11000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : bos
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	descent other
Route In Use	arrival star : star
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
ASRS Report	362620
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	362426
Events
Anomaly	inflight encounter other non adherence : far non adherence : published procedure other anomaly
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I was flying, first officer, speed approximately 300 KIAS, 11000 ft. Cleared to 5000 ft. Speed reduction not initiated until approximately 9000 ft. Situation compounded by change in clearance and 125 KT plus tailwind. Immediately slowed to 250 KTS before additional descent. ATC did not comment on the speed probably because of our already high ground speed.

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Original NASA ASRS Text

Title: SUPER MD80 AT 11000 FT 300 KTS. CLRED DSND TO 5000 FT. HAD 125 KT TAILWIND. FAILED TO SLOW 250 KTS AT 10000 FT. NO COMMENT FROM CTLR WHEN SPD REDUCTION MADE AT 9000 FT.

Narrative: I WAS FLYING, FO, SPD APPROX 300 KIAS, 11000 FT. CLRED TO 5000 FT. SPD REDUCTION NOT INITIATED UNTIL APPROX 9000 FT. SIT COMPOUNDED BY CHANGE IN CLRNC AND 125 KT PLUS TAILWIND. IMMEDIATELY SLOWED TO 250 KTS BEFORE ADDITIONAL DSCNT. ATC DID NOT COMMENT ON THE SPD PROBABLY BECAUSE OF OUR ALREADY HIGH GND SPD.

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.