A departing air carrier came in close proximity to another aircraft.

Attributes
ACN	121881
Time
Date	198909
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : oak
State Reference	CA
Altitude	msl bound lower : 2800 msl bound upper : 3200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : oak artcc : zoa
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	climbout : initial climbout : takeoff
Route In Use	departure sid : sid
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Small Transport, Low Wing, 2 Turboprop Eng
Flight Phase	climbout : initial
Route In Use	departure other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : departure
Qualification	controller : radar
Experience	controller radar : 10 controller supervisory : 10
ASRS Report	121881
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 19000
ASRS Report	121948
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance
Consequence	Other
Miss Distance	horizontal : 3000 vertical : 400
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Second aircraft, twin turbo propeller supplemental air carrier, IFR. Small transport departed sfo heading 350 degrees, climb to 8000'. Air carrier X departed oak, runway heading, climbing to FL230. When air carrier X reported out of 2500', controller issued traffic and leveled aircraft at present altitude. Traffic was busy, complex and exasperating. Air carrier X could have been restr to 2000', but wasn't. Every aircraft off oak prior to that was restr. Supplemental information from acn 121948: cleared to dfw via oak 3 departure, linden transition, maintain 23000'. Departed runway 29. On changing to departure control and advising them we were climbing to 23000', bold by departure to maintain present altitude of 2800', that we had traffic 11 O'clock, 1 mi out of 3200', a commuter aircraft.

Original NASA ASRS Text

Title: A DEPARTING ACR CAME IN CLOSE PROX TO ANOTHER ACFT.

Narrative: SECOND ACFT, TWIN TURBO PROP SUPPLEMENTAL ACR, IFR. SMT DEPARTED SFO HDG 350 DEGS, CLB TO 8000'. ACR X DEPARTED OAK, RWY HDG, CLBING TO FL230. WHEN ACR X RPTED OUT OF 2500', CTLR ISSUED TFC AND LEVELED ACFT AT PRESENT ALT. TFC WAS BUSY, COMPLEX AND EXASPERATING. ACR X COULD HAVE BEEN RESTR TO 2000', BUT WASN'T. EVERY ACFT OFF OAK PRIOR TO THAT WAS RESTR. SUPPLEMENTAL INFO FROM ACN 121948: CLRED TO DFW VIA OAK 3 DEP, LINDEN TRANSITION, MAINTAIN 23000'. DEPARTED RWY 29. ON CHANGING TO DEP CTL AND ADVISING THEM WE WERE CLBING TO 23000', BOLD BY DEP TO MAINTAIN PRESENT ALT OF 2800', THAT WE HAD TFC 11 O'CLOCK, 1 MI OUT OF 3200', A COMMUTER ACFT.

Data retrieved from NASA's ASRS site as of August 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.