Cpr falcon 2000 flight crew were descending to new approach transition altitude given by approach controller when he stopped them after descending through a higher altitude than that which they were cleared. They also had a TCASII TA and visually sighted a cessna at a lower altitude.

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Attributes
ACN	534486
Time
Date	200201
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : clt.airport
State Reference	NC
Altitude	msl bound lower : 3000 msl bound upper : 4000
Environment
Flight Conditions	VMC
Weather Elements	other
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : clt.tracon
Operator	general aviation : corporate
Make Model Name	Falcon 2000
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	descent : approach
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : clt.tracon
Operator	general aviation : personal
Make Model Name	Cessna Single Piston Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	controller non radar : 12 controller radar : 12 flight time last 90 days : 120 flight time total : 8000 flight time type : 400
ASRS Report	5344486
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 40 flight time total : 15000 flight time type : 10
ASRS Report	534487
Events
Anomaly	altitude deviation : overshoot non adherence : clearance other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued alert flight crew : returned to assigned altitude
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Flight Crew Human Performance Airspace Structure ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

Level at 4000 ft in clt class B airspace, controller said to descend to 3000 ft and called traffic at 12 O'clock position and 2600 ft. We set and verified 3000 ft as the new altitude and initiated the descent. We noted the traffic on TCASII and then picked it up visually. The controller said to climb to 3600 ft immediately. We complied. No TCASII alerts of any sort. Landed without incident. On departure, we were asked to call clt TRACON upon landing in hpn. Spoke to the supervisor. He said we were told to descend to only 3600 ft (we were at approximately 3400 ft when they ordered the climb back to 3600 ft) and our traffic was above assigned altitude. He said minimum separation was not met. We were not allowed to hear the controller tapes.

Original NASA ASRS Text

Title: CPR FALCON 2000 FLC WERE DSNDING TO NEW APCH TRANSITION ALT GIVEN BY APCH CTLR WHEN HE STOPPED THEM AFTER DSNDING THROUGH A HIGHER ALT THAN THAT WHICH THEY WERE CLRED. THEY ALSO HAD A TCASII TA AND VISUALLY SIGHTED A CESSNA AT A LOWER ALT.

Narrative: LEVEL AT 4000 FT IN CLT CLASS B AIRSPACE, CTLR SAID TO DSND TO 3000 FT AND CALLED TFC AT 12 O'CLOCK POS AND 2600 FT. WE SET AND VERIFIED 3000 FT AS THE NEW ALT AND INITIATED THE DSCNT. WE NOTED THE TFC ON TCASII AND THEN PICKED IT UP VISUALLY. THE CTLR SAID TO CLB TO 3600 FT IMMEDIATELY. WE COMPLIED. NO TCASII ALERTS OF ANY SORT. LANDED WITHOUT INCIDENT. ON DEP, WE WERE ASKED TO CALL CLT TRACON UPON LNDG IN HPN. SPOKE TO THE SUPVR. HE SAID WE WERE TOLD TO DSND TO ONLY 3600 FT (WE WERE AT APPROX 3400 FT WHEN THEY ORDERED THE CLB BACK TO 3600 FT) AND OUR TFC WAS ABOVE ASSIGNED ALT. HE SAID MINIMUM SEPARATION WAS NOT MET. WE WERE NOT ALLOWED TO HEAR THE CTLR TAPES.

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.