Air carrier medium large transport descends to 10000' upon receipt of clearance from center controller. Approach controller disputes the 10000' and states that the proper altitude is 11000' as per STAR arrival note.

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Attributes
ACN	131086
Time
Date	198912
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : mad airport : bdl
State Reference	CT
Altitude	msl bound lower : 10000 msl bound upper : 11000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zbw tracon : bdl
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other cruise other descent other
Route In Use	arrival other arrival star : star
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 11500 flight time type : 2200
ASRS Report	131086
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 18000 flight time type : 3000
ASRS Report	131018
Events
Anomaly	altitude deviation : excursion from assigned altitude altitude deviation : overshoot non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Ambiguous
Air Traffic Incident	Operational Deviation Pilot Deviation

Narrative:

Descending into windsor locks (bdl) given instruction to cross mad at 11000' and 250 KTS. Then reclred to 10000' at mad. Handed off to bdl approach and were told we should be at 11000' as it appears on STAR. However both pilot heard 10000' at mad and it was read back 10000', 250 KTS at mad.

Original NASA ASRS Text

Title: ACR MLG DESCENDS TO 10000' UPON RECEIPT OF CLRNC FROM CENTER CTLR. APCH CTLR DISPUTES THE 10000' AND STATES THAT THE PROPER ALT IS 11000' AS PER STAR ARR NOTE.

Narrative: DSNDING INTO WINDSOR LOCKS (BDL) GIVEN INSTRUCTION TO CROSS MAD AT 11000' AND 250 KTS. THEN RECLRED TO 10000' AT MAD. HANDED OFF TO BDL APCH AND WERE TOLD WE SHOULD BE AT 11000' AS IT APPEARS ON STAR. HOWEVER BOTH PLT HEARD 10000' AT MAD AND IT WAS READ BACK 10000', 250 KTS AT MAD.

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.