2003-06 · NASA ASRS report 583044
B747 DEPARTING SFO EXPERIENCES A TCASII RA WITH VFR TFC BELOW AND OUTSIDE SFO CLASS B AIRSPACE.
I WAS WORKING THE RICHMOND DEP SECTOR. I WAS VECTORING A RWY 1 DEP FROM SFO AROUND TFC ON THE N DOWNWIND FOR OAK. THIS WAS OCCURRING ABOUT 6 MI N OF SFO. DURING THAT TIME ACR X DEPARTED RWY 28; AND ON INITIAL CONTACT; I ISSUED A CLB TO 10000 FT. I WENT BACK TO TURNING THE PREVIOUSLY VECTORED DEP ON COURSE. AS I SCANNED MY TFC I SAW AN ACFT SQUAWKING 1200 SBOUND ALONG THE W COAST OF THE SFO PENINSULA; OUTSIDE THE B AIRSPACE; INDICATING 2000 FT. ACR X WAS APCHING THE COASTLINE ALSO AT 2000 FT; ON A CONVERGING COURSE WITH THE VFR TFC. I IMMEDIATELY ISSUED A TFC ALERT TO ACR X. HE DIDN'T ANSWER MY INITIAL CALL; BUT A FEW SECONDS LATER ADVISED ME THAT HE WAS GETTING A TCASII RA TO CLB. I CONFIRMED THE VALIDITY OF THAT INSTRUCTION. I ADVISED ACR X WHEN THE TFC WAS NO LONGER A FACTOR. THE PLT OF ACR X WAS EXTREMELY UPSET AND TOLD ME THAT THE B747 DOES NOT CLB WELL AT THAT PARTICULAR WT OR AT THAT PARTICULAR TEMP. I ADVISED HIM THAT THE OTHER ACFT WAS VFR; OUTSIDE OF THE B AIRSPACE AND THERE WAS NOTHING I COULD DO TO PREVENT THE OTHER ACFT FROM BEING THERE BECAUSE I WAS NOT TALKING TO HIM AND BECAUSE HE WAS OUTSIDE THE B AIRSPACE IN A PERFECTLY LEGAL POS. ACR X SAID THAT HE SHOULD NEVER HAVE RECEIVED A DEP CLRNC IF THERE WAS KNOWN TFC IN HIS WAY. I ADVISED THAT I DID THE BEST I COULD BY ISSUING THE TFC ALERT. AFTER A BRIEF DISCUSSION; I OFFERED TO TURN THE MATTER OVER TO THE SUPVR; AND ACR X SAID HE WOULD LIKE ME TO DO THAT. THE FLT CONTINUED OUT OF MY AIRSPACE WITHOUT FURTHER INCIDENT. I NOTICED THAT ACFT X WAS UNUSUALLY LOW AS HE APCHED THE COASTLINE. HE APPEARED TO BE LEVEL AT 2000 FT FOR AT LEAST 2 OR 3 MI. I HADN'T SEEN ANY OTHER ACFT IN THAT POS DURING ANY OF MY TIME THAT DAY ON POS. IT IS MY BELIEF THAT THE CREW OF ACR X WERE SIGHTSEEING IN THE 'GAP' W OF SFO; UNAWARE OF THE CONSEQUENCES OF HIS ACTIONS. IT IS INTERESTING TO NOTE THAT THE TEMP WAS BEING RPTED AS 19 DEGS C OR 66.2 DEGS F; HARDLY WHAT WOULD BE CONSIDERED 'HOT.' AFTER THE TFC ALERT AND TCASII ADVISORY; ACR X'S RATE OF CLB INCREASED MARKEDLY. I BELIEVE THAT THIS PLT HAS AN UNREALISTIC PERSPECTIVE ON THE REALITIES OF THE UNITED STATES ATC SYS. I DON'T BELIEVE HE UNDERSTANDS THE CONCEPT OF VFR FLT OUTSIDE THE B AIRSPACE; ESPECIALLY IN CLOSE PROX TO A MAJOR CITY OR CITIES. I BELIEVE THIS PLT DOESN'T UNDERSTAND THE CONCEPT OF CLASS B AIRSPACE AS IT PERTAINS TO ACR ACFT AND THE FACT THEY SHOULD STAY IN THE B AIRSPACE. I ALSO BELIEVE THAT THIS PLT IS TRYING TO APPLY PROCS AND PRACTICES THAT ARE THE NORM IN HIS COUNTRY TO THE UNITED STATES ATC SYS. THIS PLT NEEDS TO REALIZE THAT THIS IS THE UNITED STATES; NOT HIS FOREIGN COUNTRY AND VFR FLT IS COMMON AND MANY ACFT CHOOSE NOT TO PARTAKE OF ATC SVC. THUSLY; HE CAN PLAN HIS ACTIONS BASED ON WHAT EVERYBODY ELSE IS DOING AND NOT JUST HIMSELF. IT IS UNREALISTIC TO EXPECT THAT EITHER SFO TWR OR NORCAL APCH WOULD KNOW WHAT A VFR ACFT OUTSIDE OF THE B AIRSPACE WAS INTENDING TO DO. IT IS UNREALISTIC FOR ANY ACFT TO EXPECT A TOTALLY STERILE ENVIRONMENT FOR THEIR FLT; ESPECIALLY IN THE VICINITY OF A MAJOR CITY. IF ACR X HAD STAYED WITHIN THE B AIRSPACE; THE TFC WOULDN'T HAVE BEEN QUITE SO CLOSE. I BELIEVE THE CREW WAS SIGHTSEEING; WHICH NEEDLESSLY PUT THEM AND THEIR PAX IN UNSAFE PROX TO ANOTHER ACFT. IN THE EVENT OF AN EXTREMELY SLOW CLBOUT; ATC SHOULD BE ADVISED AS SOON AS PRACTICAL TO ALLOW FOR PLANNING.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
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