An air carrier flight crew in a high wing turboprop aircraft had an encounter with a cessna citation jet while on a departure vector.

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Attributes
ACN	431224
Time
Date	199903
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : act.vortac
State Reference	TX
Altitude	msl bound lower : 3700 msl bound upper : 4500
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : d10.tracon
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : intermediate altitude
Route In Use	departure : on vectors
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : d10.tracon
Make Model Name	Cessna Citation Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	cruise : level
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : cfi pilot : multi engine pilot : instrument
Experience	flight time last 90 days : 230 flight time total : 7500 flight time type : 1500
ASRS Report	431224
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : atp pilot : instrument
Experience	flight time last 90 days : 75 flight time total : 13800 flight time type : 2175
ASRS Report	431223
Events
Anomaly	conflict : airborne critical non adherence : required legal separation non adherence : published procedure non adherence : far
Independent Detector	aircraft equipment : tcas other controllera other flight crewa other flight crewb
Resolutory Action	controller : issued alert flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew Other
Miss Distance	horizontal : 6000
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

On departure from dfw we were radar vectored and assigned an intermediate altitude of 4000 ft. The conditions were daytime IMC. Our location was approximately act 360 degree radial, 60 DME. At about XA25 we were given an assigned heading 080 degrees. Another aircraft was assigned an immediate turn 270 degrees. In the turn our TCASII reported 'traffic' followed by 2 RA's that I responded to. The first report of 'descend' resulted in a loss of 300 ft before an RA to 'climb' resulted in a 500 ft climb. Then 'clear of conflict' was reported. Thereafter, departure assigned a 170 degree heading and we verified that 4000 ft would be correct. The cabin was checked. No injuries were reported. The passenger were belted in at the time. Departure apologized and reported the other aircraft to be a citation jet.

Original NASA ASRS Text

Title: AN ACR FLC IN A HIGH WING TURBOPROP ACFT HAD AN ENCOUNTER WITH A CESSNA CITATION JET WHILE ON A DEP VECTOR.

Narrative: ON DEP FROM DFW WE WERE RADAR VECTORED AND ASSIGNED AN INTERMEDIATE ALT OF 4000 FT. THE CONDITIONS WERE DAYTIME IMC. OUR LOCATION WAS APPROX ACT 360 DEG RADIAL, 60 DME. AT ABOUT XA25 WE WERE GIVEN AN ASSIGNED HDG 080 DEGS. ANOTHER ACFT WAS ASSIGNED AN IMMEDIATE TURN 270 DEGS. IN THE TURN OUR TCASII RPTED 'TFC' FOLLOWED BY 2 RA'S THAT I RESPONDED TO. THE FIRST RPT OF 'DSND' RESULTED IN A LOSS OF 300 FT BEFORE AN RA TO 'CLB' RESULTED IN A 500 FT CLB. THEN 'CLR OF CONFLICT' WAS RPTED. THEREAFTER, DEP ASSIGNED A 170 DEG HDG AND WE VERIFIED THAT 4000 FT WOULD BE CORRECT. THE CABIN WAS CHKED. NO INJURIES WERE RPTED. THE PAX WERE BELTED IN AT THE TIME. DEP APOLOGIZED AND RPTED THE OTHER ACFT TO BE A CITATION JET.

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.