Narrative:

I'm a student pilot, flying a C172/U solo from F-70 to whp to cma-sba. I terminated flight following with socal approach over the rose bowl descending into whp airport and squawked 1200 and altitude. Stayed north of burbank class 'C' contacted whp tower, landed, taxied back and took off. Made a 'left' turn to crosswind prior to 4 stacks and made an approved 'left' downwind departure north to over the san fernando reservoir. Requested and received frequency change from whp tower. I stayed clear of van nuys class 'C' by flying approximately 245 degrees from san fernando reservoir to intersect a 255 degree radial from vny VOR and to cma. While at cruise 120 KTS (10-12 NM from vny) and 4500 ft MSL I saw a commercial (?) B737 jet descending out of approximately 6000 ft on the V326 255 degree radial eastbound (approximately 075 degrees). I was still north of the 255 degree radial, neither of us needed to execute any evasive maneuver. I contacted mugu approach on 124.7 and obtained flight following and continued flying to sba. Prior to sba, mugu asked if I was the C172 out of whp and I answered yes. The controller advised me to contact the duty supervisor at socal at (telephone number) when I landed. I landed at sba and called. The supervisor told me the captain of the B737 had reported me and requested an investigation. I explained I was VFR, outside of class C, squawking altitude and 1200 mode C and then I saw the aircraft and it was 'no factor.' I returned to my FBO and discussed this with my cfii and he told me that I'm not required to contact socal at that location. I feel (although I have little experience) these low altitude jet IFR arrival rtes (below 10000 ft MSL) should be dedicated airways and marked extensions of class C airspace.

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Original NASA ASRS Text

Title: STUDENT PLT OF A C172 WAS RPTED BY A FLC OF B737 FOR BEING OPPOSITE DIRECTION TFC ON AN ARR RTE AND ALT CAUSING A HAZARD AND CONFLICTION TO NORMAL TFC SPACING.

Narrative: I'M A STUDENT PLT, FLYING A C172/U SOLO FROM F-70 TO WHP TO CMA-SBA. I TERMINATED FLT FOLLOWING WITH SOCAL APCH OVER THE ROSE BOWL DSNDING INTO WHP ARPT AND SQUAWKED 1200 AND ALT. STAYED N OF BURBANK CLASS 'C' CONTACTED WHP TWR, LANDED, TAXIED BACK AND TOOK OFF. MADE A 'L' TURN TO XWIND PRIOR TO 4 STACKS AND MADE AN APPROVED 'L' DOWNWIND DEP N TO OVER THE SAN FERNANDO RESERVOIR. REQUESTED AND RECEIVED FREQ CHANGE FROM WHP TWR. I STAYED CLR OF VAN NUYS CLASS 'C' BY FLYING APPROX 245 DEGS FROM SAN FERNANDO RESERVOIR TO INTERSECT A 255 DEG RADIAL FROM VNY VOR AND TO CMA. WHILE AT CRUISE 120 KTS (10-12 NM FROM VNY) AND 4500 FT MSL I SAW A COMMERCIAL (?) B737 JET DSNDING OUT OF APPROX 6000 FT ON THE V326 255 DEG RADIAL EBOUND (APPROX 075 DEGS). I WAS STILL N OF THE 255 DEG RADIAL, NEITHER OF US NEEDED TO EXECUTE ANY EVASIVE MANEUVER. I CONTACTED MUGU APCH ON 124.7 AND OBTAINED FLT FOLLOWING AND CONTINUED FLYING TO SBA. PRIOR TO SBA, MUGU ASKED IF I WAS THE C172 OUT OF WHP AND I ANSWERED YES. THE CTLR ADVISED ME TO CONTACT THE DUTY SUPVR AT SOCAL AT (TELEPHONE NUMBER) WHEN I LANDED. I LANDED AT SBA AND CALLED. THE SUPVR TOLD ME THE CAPT OF THE B737 HAD RPTED ME AND REQUESTED AN INVESTIGATION. I EXPLAINED I WAS VFR, OUTSIDE OF CLASS C, SQUAWKING ALT AND 1200 MODE C AND THEN I SAW THE ACFT AND IT WAS 'NO FACTOR.' I RETURNED TO MY FBO AND DISCUSSED THIS WITH MY CFII AND HE TOLD ME THAT I'M NOT REQUIRED TO CONTACT SOCAL AT THAT LOCATION. I FEEL (ALTHOUGH I HAVE LITTLE EXPERIENCE) THESE LOW ALT JET IFR ARR RTES (BELOW 10000 FT MSL) SHOULD BE DEDICATED AIRWAYS AND MARKED EXTENSIONS OF CLASS C AIRSPACE.

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.