DO328 flight crew has an near midair collision with opposite direction traffic that was not pointed out by day departure controller. Other aircraft was probably descending and VFR. TCASII alert.

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Attributes
ACN	382712
Time
Date	199710
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : day
State Reference	OH
Altitude	msl bound lower : 11000 msl bound upper : 11000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : day
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	cruise other
Flight Plan	IFR
Aircraft 2
Make Model Name	King Air 100 A/B
Operating Under FAR Part	other : unknown
Flight Phase	descent other
Flight Plan	VFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 13000 flight time type : 1500
ASRS Report	382712
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : nmac non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 500 vertical : 500
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

TCASII TA alerted us to traffic problem. Both pilots searched visually for traffic. No visual made. RA to climb. Autoplt off, started a big climb, then found traffic visually. Slow climb autoplt on. Missed by 500 ft and 500 ft. Told ATC about it. Note: flight had FAA line check inspector on board.

Original NASA ASRS Text

Title: DO328 FLC HAS AN NMAC WITH OPPOSITE DIRECTION TFC THAT WAS NOT POINTED OUT BY DAY DEP CTLR. OTHER ACFT WAS PROBABLY DSNDING AND VFR. TCASII ALERT.

Narrative: TCASII TA ALERTED US TO TFC PROB. BOTH PLTS SEARCHED VISUALLY FOR TFC. NO VISUAL MADE. RA TO CLB. AUTOPLT OFF, STARTED A BIG CLB, THEN FOUND TFC VISUALLY. SLOW CLB AUTOPLT ON. MISSED BY 500 FT AND 500 FT. TOLD ATC ABOUT IT. NOTE: FLT HAD FAA LINE CHK INSPECTOR ON BOARD.

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.