Narrative:

I was flying a light aircraft (PA12, no transponder) along east side of the seward highway northbound at 1400 ft MSL (which is just east of anc class 'C' airspace) when a heavy jet (B747?), which had departed anc runway 6, turned sbound towards my aircraft. Heavy jet was air carrier on an anchorage 1 departure from anc runway 6L. I flashed landing lights and, when I saw that the heavy was still headed for me, I attempted to dive and turn west into anc airspace. The heavy jet flew just east of me, approximately 500 ft above me. I encountered severe turbulence which rolled my aircraft 80 degree bank, then 50 degree pitch. I tried to contact lake hood tower (frequency radio tuned to) to inform them of my incursion into the anc class 'C' airspace and of near midair, but frequency was congested. After I recovered from turbulence, I contacted anc tower and informed them of event and airspace incursion. This is a repeating problem of heavy jets which depart runway 6 at anc and go past east boundary of class 'C' airspace prior to turning sbound without maintaining a visual lookout for other aircraft operating in this area of uncontrolled airspace. Event could have been catastrophic!! Callback conversation with reporter revealed the following information: the reporter was flying a PA12 on wheels from flying crown (private) airport, AK12. This is just at the east edge of an anc 'C' airspace but below it. Anc was using runways 6 this day, with runway 6R for departure. Air carrier aircraft do not like to use runway 6L for departure as this is the ILS runway and it gives a longer taxi for takeoff. After landing, the reporter called anc ATCT to complain about the near midair collision and the air carrier being out of its protected airspace. An anc FSDO representative has called the reporter with great interest in this situation. The reporter is now aware of the FAA safety hotline and may call it.

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Original NASA ASRS Text

Title: NMAC.

Narrative: I WAS FLYING A LIGHT ACFT (PA12, NO XPONDER) ALONG E SIDE OF THE SEWARD HWY NBOUND AT 1400 FT MSL (WHICH IS JUST E OF ANC CLASS 'C' AIRSPACE) WHEN A HVY JET (B747?), WHICH HAD DEPARTED ANC RWY 6, TURNED SBOUND TOWARDS MY ACFT. HVY JET WAS ACR ON AN ANCHORAGE 1 DEP FROM ANC RWY 6L. I FLASHED LNDG LIGHTS AND, WHEN I SAW THAT THE HVY WAS STILL HEADED FOR ME, I ATTEMPTED TO DIVE AND TURN W INTO ANC AIRSPACE. THE HVY JET FLEW JUST E OF ME, APPROX 500 FT ABOVE ME. I ENCOUNTERED SEVERE TURB WHICH ROLLED MY ACFT 80 DEG BANK, THEN 50 DEG PITCH. I TRIED TO CONTACT LAKE HOOD TWR (FREQ RADIO TUNED TO) TO INFORM THEM OF MY INCURSION INTO THE ANC CLASS 'C' AIRSPACE AND OF NEAR MIDAIR, BUT FREQ WAS CONGESTED. AFTER I RECOVERED FROM TURB, I CONTACTED ANC TWR AND INFORMED THEM OF EVENT AND AIRSPACE INCURSION. THIS IS A REPEATING PROB OF HVY JETS WHICH DEPART RWY 6 AT ANC AND GO PAST E BOUNDARY OF CLASS 'C' AIRSPACE PRIOR TO TURNING SBOUND WITHOUT MAINTAINING A VISUAL LOOKOUT FOR OTHER ACFT OPERATING IN THIS AREA OF UNCTLED AIRSPACE. EVENT COULD HAVE BEEN CATASTROPHIC!! CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR WAS FLYING A PA12 ON WHEELS FROM FLYING CROWN (PVT) ARPT, AK12. THIS IS JUST AT THE E EDGE OF AN ANC 'C' AIRSPACE BUT BELOW IT. ANC WAS USING RWYS 6 THIS DAY, WITH RWY 6R FOR DEP. ACR ACFT DO NOT LIKE TO USE RWY 6L FOR DEP AS THIS IS THE ILS RWY AND IT GIVES A LONGER TAXI FOR TKOF. AFTER LNDG, THE RPTR CALLED ANC ATCT TO COMPLAIN ABOUT THE NMAC AND THE ACR BEING OUT OF ITS PROTECTED AIRSPACE. AN ANC FSDO REPRESENTATIVE HAS CALLED THE RPTR WITH GREAT INTEREST IN THIS SIT. THE RPTR IS NOW AWARE OF THE FAA SAFETY HOTLINE AND MAY CALL IT.

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.