Air carrier large transport delayed climb to resolve TCASII TA.

Attributes
ACN	187017
Time
Date	199108
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ord
State Reference	IL
Altitude	msl bound lower : 6000 msl bound upper : 7700
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : ord
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	climbout : initial
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 160 flight time total : 13000 flight time type : 600
ASRS Report	187017
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 8000 flight time type : 90
ASRS Report	187015
Events
Anomaly	altitude deviation : overshoot conflict : airborne less severe non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified other controllera
Resolutory Action	controller : issued new clearance none taken : anomaly accepted none taken : detected after the fact
Consequence	Other
Miss Distance	horizontal : 30000 vertical : 1900
Supplementary
Primary Problem	Ambiguous
Air Traffic Incident	other

Narrative:

Takeoff clearance was given for 22L with a left turn to 110 degree heading. At approximately 700 ft AGL tower gave us a further left to 90 degree, followed by a switch to departure control. Upon checking in with departure we were given further left to 310 degree and climb to 13000 ft. These clrncs were given at about 1500 ft AGL. In the left turn and about 5000 ft we received a TCASII TA, followed by departure control issuing a TA for the same aircraft. We visually idented the traffic and passed 1900 ft below, according to our TCASII. After visually checking that we were well clear of the traffic we continued our climb to our cleared altitude of 13000 ft. At 7700 ft departure asked us our altitude and we advised 7700 ft. Departure control said he had cleared us to 6000 ft and then immediately told us to continue our climb to 13000 ft.

Original NASA ASRS Text

Title: ACR LGT DELAYED CLB TO RESOLVE TCASII TA.

Narrative: TKOF CLRNC WAS GIVEN FOR 22L WITH A L TURN TO 110 DEG HDG. AT APPROX 700 FT AGL TWR GAVE US A FURTHER L TO 90 DEG, FOLLOWED BY A SWITCH TO DEP CTL. UPON CHKING IN WITH DEP WE WERE GIVEN FURTHER L TO 310 DEG AND CLB TO 13000 FT. THESE CLRNCS WERE GIVEN AT ABOUT 1500 FT AGL. IN THE L TURN AND ABOUT 5000 FT WE RECEIVED A TCASII TA, FOLLOWED BY DEP CTL ISSUING A TA FOR THE SAME ACFT. WE VISUALLY IDENTED THE TFC AND PASSED 1900 FT BELOW, ACCORDING TO OUR TCASII. AFTER VISUALLY CHKING THAT WE WERE WELL CLR OF THE TFC WE CONTINUED OUR CLB TO OUR CLRED ALT OF 13000 FT. AT 7700 FT DEP ASKED US OUR ALT AND WE ADVISED 7700 FT. DEP CTL SAID HE HAD CLRED US TO 6000 FT AND THEN IMMEDIATELY TOLD US TO CONTINUE OUR CLB TO 13000 FT.

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.