<< >> NASA ASRS Report 122250, September 1989

While being vectored for an approach, small aircraft has an near midair collision with another small aircraft.

Attributes
ACN	122250
Time
Date	198909
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : hya airport : 0b6
State Reference	MA
Altitude	msl bound lower : 5000 msl bound upper : 5000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : fmh
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Flight Phase	cruise other
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Flight Phase	cruise other
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : instrument
Experience	flight time last 90 days : 50 flight time total : 4500 flight time type : 20
ASRS Report	122250
Person 2
Affiliation	Other
Function	flight crew : single pilot
Events
Anomaly	conflict : nmac
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 100 vertical : 100
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While on IFR flight from mmk to 0b6, otis controller dropped me from 5000' to 3000' and had me on an easterly heading for final vector to a visual at 0b6, when I noticed a target out of corner of my right eye proceeding north at same altitude. We were on a collision course and I eased back on control wheel and the small aircraft slid by me slightly below and slightly behind. 'Bogie' took no evasive action! Upon advising controller of 'near miss' he advised me that 'bogie' was not showing an altitude. I advised him that I almost 'had it'! When I left mmk the WX was forecast to deteriorate. When I arrived in the hya area the WX was much better than forecast. It's been my experience over the years that ATC controllers become very lax in reporting conflicting traffic when the WX becomes VMC even though you are on an IFR flight plan.

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Original NASA ASRS Text

Title: WHILE BEING VECTORED FOR AN APCH, SMA HAS AN NMAC WITH ANOTHER SMA.

Narrative: WHILE ON IFR FLT FROM MMK TO 0B6, OTIS CTLR DROPPED ME FROM 5000' TO 3000' AND HAD ME ON AN EASTERLY HDG FOR FINAL VECTOR TO A VISUAL AT 0B6, WHEN I NOTICED A TARGET OUT OF CORNER OF MY RIGHT EYE PROCEEDING N AT SAME ALT. WE WERE ON A COLLISION COURSE AND I EASED BACK ON CONTROL WHEEL AND THE SMA SLID BY ME SLIGHTLY BELOW AND SLIGHTLY BEHIND. 'BOGIE' TOOK NO EVASIVE ACTION! UPON ADVISING CTLR OF 'NEAR MISS' HE ADVISED ME THAT 'BOGIE' WAS NOT SHOWING AN ALT. I ADVISED HIM THAT I ALMOST 'HAD IT'! WHEN I LEFT MMK THE WX WAS FORECAST TO DETERIORATE. WHEN I ARRIVED IN THE HYA AREA THE WX WAS MUCH BETTER THAN FORECAST. IT'S BEEN MY EXPERIENCE OVER THE YEARS THAT ATC CTLRS BECOME VERY LAX IN REPORTING CONFLICTING TFC WHEN THE WX BECOMES VMC EVEN THOUGH YOU ARE ON AN IFR FLT PLAN.

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.