Flight crew of an F100 level off at FL230 for 10 mins, awaiting their climb clearance to FL330. Controller finally asks if they had 'started' their climb to FL330.

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Attributes
ACN	393180
Time
Date	199802
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : msp
State Reference	MN
Altitude	msl bound lower : 23000 msl bound upper : 33000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zmp
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
ASRS Report	393180
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	393437
Events
Anomaly	altitude deviation : undershoot non adherence : clearance other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

About 30 mins out of msp towards dfw. On climb out after departing msp en route to dfw, ZMP cleared us to climb to FL230, or so we thought and both pilots confirmed that flight level as per SOP. We leveled off at FL230 for about 10 mins, at which time ZMP asked if we had started our climb to FL330. We denied having received that clearance, and then climbed to FL330 as per their request.

Original NASA ASRS Text

Title: FLC OF AN F100 LEVEL OFF AT FL230 FOR 10 MINS, AWAITING THEIR CLB CLRNC TO FL330. CTLR FINALLY ASKS IF THEY HAD 'STARTED' THEIR CLB TO FL330.

Narrative: ABOUT 30 MINS OUT OF MSP TOWARDS DFW. ON CLBOUT AFTER DEPARTING MSP ENRTE TO DFW, ZMP CLRED US TO CLB TO FL230, OR SO WE THOUGHT AND BOTH PLTS CONFIRMED THAT FLT LEVEL AS PER SOP. WE LEVELED OFF AT FL230 FOR ABOUT 10 MINS, AT WHICH TIME ZMP ASKED IF WE HAD STARTED OUR CLB TO FL330. WE DENIED HAVING RECEIVED THAT CLRNC, AND THEN CLBED TO FL330 AS PER THEIR REQUEST.

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.