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Close proximity air carrier medium large transport on a visual approach to anc and GA small aircraft VFR in the area to the northwest on acn.
| Attributes | |
| ACN | 183273 |
| Time | |
| Date | 199107 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : anc |
| State Reference | AK |
| Altitude | msl bound lower : 1600 msl bound upper : 1600 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : anc |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent other |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft |
| Flight Phase | cruise other |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 250 flight time total : 10000 |
| ASRS Report | 183273 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 600 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | other |
Narrative:
Approaching anc and cleared for a susitna river visual approach to runway 14 anc approach control pointed traffic to us at our 10-11 O'clock 3/4 mi no altitude information. We noticed the aircraft at approximately our altitude 1600 ft assigned. We abruptly but smoothly descended and the small aircraft passed over us with about 600 ft vertical separation. This aircraft had been talking with no facility and illegally penetrated the anc arsa. Our flight continued to a normal flight and landing. A near miss was filed and the FAA is now searching for the small aircraft.
Original NASA ASRS Text
Title: CLOSE PROX ACR MLG ON A VISUAL APCH TO ANC AND GA SMA VFR IN THE AREA TO THE NW ON ACN.
Narrative: APCHING ANC AND CLRED FOR A SUSITNA RIVER VISUAL APCH TO RWY 14 ANC APCH CTL POINTED TFC TO US AT OUR 10-11 O'CLOCK 3/4 MI NO ALT INFO. WE NOTICED THE ACFT AT APPROX OUR ALT 1600 FT ASSIGNED. WE ABRUPTLY BUT SMOOTHLY DSNDED AND THE SMA PASSED OVER US WITH ABOUT 600 FT VERT SEPARATION. THIS ACFT HAD BEEN TALKING WITH NO FACILITY AND ILLEGALLY PENETRATED THE ANC ARSA. OUR FLT CONTINUED TO A NORMAL FLT AND LNDG. A NEAR MISS WAS FILED AND THE FAA IS NOW SEARCHING FOR THE SMA.
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.