SMA PLT USING HAND DRAWN APCH CHART MAKES A LOW CIRCLING APCH. FAA INSPECTOR OBSERVER QUESTIONS HIS PROCS.

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I WAS MAKING AN INST FLT INTO GWW FROM SMS. THE PREFLT WX BRIEFING PRIOR TO TKOF INDICATED VFR CONDITIONS EXCEPT FOR FOG/MIST WITH LOW CEILINGS AT THE DEST. THE INST APCH PROCS BOOK (IAP) I USE ARE THE DEPT OF DEFENSE VERSION AND NOT THE NOS VERSION. THE REQUIREMENT FOR INCLUDING AN ARPT IS NOT WHETHER THERE EXISTS AN FAA APPROVED APCH; BUT WHETHER OR NOT THE MIL SVC REQUESTS THE ARPT BE INCLUDED. MY IAPS WERE CURRENT; BUT DID NOT INCLUDE GOLDSBORO AS IT APPARENTLY IS NOT A MIL SVC REQUIREMENT. THEREFORE; I OBTAINED A VERBAL DESCRIPTION OF THE APCH (NDB RWY 23) AND MADE A SKETCH OF THE APCH'S RELEVANT PARTS. (A PHOTOCOPY MACHINE WAS NOT AVAILABLE.) SINCE I WAS 'RUSTY' ON NDB APCHS; I INCREASED THE MINIMUM DSCNT ALT FROM THE STATED 560 FT TO 750 FT AS A PERSONAL CUSHION. THE FLT WENT NORMALLY AND I WAS VECTORED ONTO THE FINAL APCH COURSE BY SEYMOUR JOHNSON APCH CTL. THE WX WAS NOT AVAILABLE AT GOLDSBORO (NO CTL TWR); BUT SEYMOUR JOHNSON (ABOUT 5 MI AWAY) WAS RPTING APPROX 700 FT CEILINGS WITH 1700 FT TOPS AND BETTER THAN 1 MI VISIBILITY. IN ANTICIPATION OF NOT BEING ABLE TO LAND; I MADE ARRANGEMENTS WITH SEYMOUR TO RETURN TO SUMTER ARPT; THEY CHANGED THE MISSED APCH PROCS TO MAINTAIN RWY HDG AND CLB TO 3000 FT. MY COURSE CTL WAS RIGHT ON THE MONEY; BUT I HAD NOT DSNDED FAST ENOUGH. CONSEQUENTLY WHEN I BROKE OUT OF THE OVCST AT 750-800 FT; I WAS TOO CLOSE TO THE RWY TO EXECUTE A STRAIGHT-IN LNDG. THE VISIBILITY UNDER THE OVCST WAS GOOD; AND I EXECUTED A 360 DEG CIRCLING APCH TO THE R AND LANDED ON RWY 23 WITH NO DIFFICULTY. AT NO TIME DID I TAKE MY EYES OFF THE RWY EXCEPT WHEN LOOKING AT THE INST PANEL TO PERFORM NORMAL PRE-LNDG CHKS. UPON TAXIING UP; I WAS MET BY AN FAA MAINT INSPECTOR WHO HAD OBSERVED THE APCH AND CIRCLE. HE EXPRESSED CONCERN REGARDING THE CIRCLE TO LAND AND WANTED TO SEE A COPY OF THE APCH PLATE TO VERIFY THE CIRCLE MINIMUMS. I SHOWED HIM WHAT I HAD; BUT MY SKETCH DID NOT INCLUDE CIRCLE MINIMUMS (WHICH ARE AVAILABLE AT THE SAME ALT) AS I HAD NOT GOTTEN THAT INFO AS THAT WAS NOT ONE OF MY PLANNED OPTIONS. ADMITTEDLY; MY SKETCH WAS SPARSE; BUT CONTAINED THE BARE MINIMUM NECESSARY TO EXECUTE THIS PARTICULAR APCH AND IN THESE PARTICULAR CONDITIONS (EG; FLAT TERRAIN; RELATIVELY BENIGN WX). I CAN'T CHANGE THE DOD FLIP REQUIREMENTS AND DON'T WANT TO TRY. BUT I CAN MAKE MORE COMPLETE SKETCHES IF THAT WILL SATISFY THE LETTER OF THE FARS OR; BETTER STILL; FIND A PHOTOCOPY MACHINE.