Near midair collision at top of ont arsa.

Attributes
ACN	156430
Time
Date	199009
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : pom airport : ont
State Reference	CA
Altitude	msl bound lower : 5100 msl bound upper : 5100
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : ont
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : intermediate altitude cruise other
Route In Use	departure other departure sid : sid enroute : direct
Flight Plan	IFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	cruise other
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : instrument pilot : commercial pilot : flight engineer
Experience	flight time last 90 days : 153 flight time total : 3849 flight time type : 201
ASRS Report	156430
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	conflict : nmac other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 200 vertical : 50
Supplementary
Primary Problem	Ambiguous
Air Traffic Incident	Operational Error Pilot Deviation
Situations
ATC Facility	procedure or policy : unspecified

Narrative:

Approximately 2 mins after takeoff (takeoff at pm:23Z) from runway 26R at ontario, ca, on the pom 4 departure, turning right to proceed direct pom as published, departure control (125.5) advised us (aircraft 1) of traffic at 11 O'clock. I visly acquired aircraft #2 at left 11:30 position and directed the PF, the copilot first officer 'continue the right turn!, continue the right turn!' we avoided aircraft #2 by approximately 200'. We continued the turn and climbed to avoid collision. Departure control gave no directive commentary to avoid collision. Aircraft #1 flight crew used see and avoid to preclude a merged pilot. Captain of aircraft #1 queried ont departure why they didn't turn us, departure advised that small aircraft (aircraft #2) was directed to turn 3 mi earlier, but did not.

Original NASA ASRS Text

Title: NMAC AT TOP OF ONT ARSA.

Narrative: APPROX 2 MINS AFTER TKOF (TKOF AT PM:23Z) FROM RWY 26R AT ONTARIO, CA, ON THE POM 4 DEP, TURNING R TO PROCEED DIRECT POM AS PUBLISHED, DEP CTL (125.5) ADVISED US (ACFT 1) OF TFC AT 11 O'CLOCK. I VISLY ACQUIRED ACFT #2 AT L 11:30 POS AND DIRECTED THE PF, THE COPLT F/O 'CONTINUE THE R TURN!, CONTINUE THE R TURN!' WE AVOIDED ACFT #2 BY APPROX 200'. WE CONTINUED THE TURN AND CLBED TO AVOID COLLISION. DEP CTL GAVE NO DIRECTIVE COMMENTARY TO AVOID COLLISION. ACFT #1 FLT CREW USED SEE AND AVOID TO PRECLUDE A MERGED PLT. CAPT OF ACFT #1 QUERIED ONT DEP WHY THEY DIDN'T TURN US, DEP ADVISED THAT SMA (ACFT #2) WAS DIRECTED TO TURN 3 MI EARLIER, BUT DID NOT.

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.