Large transport climbing to FL350 as assigned by ARTCC changed to next ARTCC who missed altitude on check in, but did verify and correct the altitude problem before separation was lost with an medium large transport above him.

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Attributes
ACN	89186
Time
Date	198806
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : eck
State Reference	MI
Altitude	msl bound lower : 31000 msl bound upper : 31250
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : czyz artcc : zob tower : tgu
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : intermediate altitude descent other
Route In Use	enroute airway : zob
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 9000 flight time type : 1600
ASRS Report	89186
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	altitude deviation : overshoot other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Miss Distance	horizontal : 33000 vertical : 1750
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation Inter Facility Coordination Failure

Narrative:

Flight departed toronto and was climbing to FL350 (heading for eck). Toronto center was climbing us to FL350 at 280 KTS. Clearance received, read back on toronto center 125.77. At london VOR frequency changed cle center 133.87. Check in was made, 'XXX XXX climbing to FL350 speed 280 KTS.' read back by center, 'XXX XXX roger normal speed.' as we were climbing through FL310 center came up and asked, 'XXX XXX, are you level FL310?' I answered, 'negative, climbing to FL350.' copilot leveled off at 31250 and center gave us a turn to 320 degrees (heading at time 270 degrees). Copilot descended to FL310. I reported level to cle center and center cleared us to proceed direct flint VOR spotted medium large transport 10 O'clock about 5-6 mi at FL330.

Original NASA ASRS Text

Title: LGT CLIMBING TO FL350 AS ASSIGNED BY ARTCC CHANGED TO NEXT ARTCC WHO MISSED ALT ON CHECK IN, BUT DID VERIFY AND CORRECT THE ALT PROBLEM BEFORE SEPARATION WAS LOST WITH AN MLG ABOVE HIM.

Narrative: FLT DEPARTED TORONTO AND WAS CLBING TO FL350 (HDG FOR ECK). TORONTO CENTER WAS CLBING US TO FL350 AT 280 KTS. CLRNC RECEIVED, READ BACK ON TORONTO CENTER 125.77. AT LONDON VOR FREQ CHANGED CLE CENTER 133.87. CHK IN WAS MADE, 'XXX XXX CLBING TO FL350 SPD 280 KTS.' READ BACK BY CENTER, 'XXX XXX ROGER NORMAL SPD.' AS WE WERE CLBING THROUGH FL310 CENTER CAME UP AND ASKED, 'XXX XXX, ARE YOU LEVEL FL310?' I ANSWERED, 'NEGATIVE, CLBING TO FL350.' COPLT LEVELED OFF AT 31250 AND CENTER GAVE US A TURN TO 320 DEGS (HDG AT TIME 270 DEGS). COPLT DSNDED TO FL310. I RPTED LEVEL TO CLE CENTER AND CENTER CLRED US TO PROCEED DIRECT FLINT VOR SPOTTED MLG 10 O'CLOCK ABOUT 5-6 MI AT FL330.

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.