<< >> NASA ASRS Report 149338, June 1990

Air carrier flight with instrument problem returning to mia had near midair collision with small transport twin jet on government mission at approximately 5000' sml.

Attributes
ACN	149338
Time
Date	199006
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : mia
State Reference	FL
Altitude	msl bound lower : 4700 msl bound upper : 4700
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : mia
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	descent : approach
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	other
Make Model Name	Small Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	climbout : initial
Flight Plan	None
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : instrument pilot : atp pilot : commercial
Experience	flight time last 90 days : 250 flight time total : 20000 flight time type : 250
ASRS Report	149338
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : commercial pilot : instrument
Events
Anomaly	conflict : nmac
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 0 vertical : 100
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

After takeoff first officer failed. I took control of aircraft and we requested vectors back to mia. While abeam homestead AFB on 360 degree heading climbing from 4000' to 6000', ATC called traffic at 10 O'clock. First officer reported traffic at 12 0'clock. I immediately pushed the nose down and traffic passed about 100' directly over us. I am convinced that if I had not taken immediate evasive action that we would have collided with the other aircraft. Other aircraft was an small transport jet operated by the government. It is painted light blue and is difficult to see. They did not have any lights on. I had on my landing lights, turn off lights, wing lights, strobe lights, navigation lights and beacon. In other words, I was under positive control by mia departure control and was using every means available to me to be seen and yet if ATC had not called the traffic or if my first officer hadn't spotted it (I was looking at 10 O'clock) I probably wouldn't be here to write this report.

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Original NASA ASRS Text

Title: AIR CARRIER FLT WITH INSTRUMENT PROBLEM RETURNING TO MIA HAD NMAC WITH SMT TWIN JET ON GOV MISSION AT APPROX 5000' SML.

Narrative: AFTER TKOF F/O FAILED. I TOOK CTL OF ACFT AND WE REQUESTED VECTORS BACK TO MIA. WHILE ABEAM HOMESTEAD AFB ON 360 DEG HDG CLBING FROM 4000' TO 6000', ATC CALLED TFC AT 10 O'CLOCK. F/O RPTED TFC AT 12 0'CLOCK. I IMMEDIATELY PUSHED THE NOSE DOWN AND TFC PASSED ABOUT 100' DIRECTLY OVER US. I AM CONVINCED THAT IF I HAD NOT TAKEN IMMEDIATE EVASIVE ACTION THAT WE WOULD HAVE COLLIDED WITH THE OTHER ACFT. OTHER ACFT WAS AN SMT JET OPERATED BY THE GOV. IT IS PAINTED LIGHT BLUE AND IS DIFFICULT TO SEE. THEY DID NOT HAVE ANY LIGHTS ON. I HAD ON MY LNDG LIGHTS, TURN OFF LIGHTS, WING LIGHTS, STROBE LIGHTS, NAV LIGHTS AND BEACON. IN OTHER WORDS, I WAS UNDER POSITIVE CTL BY MIA DEP CTL AND WAS USING EVERY MEANS AVAILABLE TO ME TO BE SEEN AND YET IF ATC HAD NOT CALLED THE TFC OR IF MY F/O HADN'T SPOTTED IT (I WAS LOOKING AT 10 O'CLOCK) I PROBABLY WOULDN'T BE HERE TO WRITE THIS RPT.

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.