Narrative:

I was flying a king air A90 for a parachute jump operation. It is customary and company policy to announce to den approach 5 mins prior to jumping on climb out and 1 min prior. Also, we advise when all jumpers are below 12000 ft MSL to discontinue radar service. On one jump flight in the early afternoon, I had 2 loads -- one at 13000 ft MSL, the other at 17500 ft MSL. I gave my initial call on climb out and advised 1 min prior on the 13000 ft pass. However, on the 17500 ft pass, I forgot to make the 1 min prior call, and ATC asked me to hold off on jumping due to arriving traffic in the area. It was too late, since the jumpers were already exiting the aircraft. I apologized to the controller and advised all jumpers below 12000 ft MSL. I realize the importance of making the 1 min call and the potential hazard that might occur if a traffic conflict should arise. The workload on jump run is quite intense, but I will not forget to make that crucial call again.

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Original NASA ASRS Text

Title: POSSIBLE TFC CONFLICT BTWN SKYDIVERS AND ARR ACFT INTO THE CLASS B AND CLASS E AIRSPACES NW OF DEN, CO.

Narrative: I WAS FLYING A KING AIR A90 FOR A PARACHUTE JUMP OP. IT IS CUSTOMARY AND COMPANY POLICY TO ANNOUNCE TO DEN APCH 5 MINS PRIOR TO JUMPING ON CLBOUT AND 1 MIN PRIOR. ALSO, WE ADVISE WHEN ALL JUMPERS ARE BELOW 12000 FT MSL TO DISCONTINUE RADAR SVC. ON ONE JUMP FLT IN THE EARLY AFTERNOON, I HAD 2 LOADS -- ONE AT 13000 FT MSL, THE OTHER AT 17500 FT MSL. I GAVE MY INITIAL CALL ON CLBOUT AND ADVISED 1 MIN PRIOR ON THE 13000 FT PASS. HOWEVER, ON THE 17500 FT PASS, I FORGOT TO MAKE THE 1 MIN PRIOR CALL, AND ATC ASKED ME TO HOLD OFF ON JUMPING DUE TO ARRIVING TFC IN THE AREA. IT WAS TOO LATE, SINCE THE JUMPERS WERE ALREADY EXITING THE ACFT. I APOLOGIZED TO THE CTLR AND ADVISED ALL JUMPERS BELOW 12000 FT MSL. I REALIZE THE IMPORTANCE OF MAKING THE 1 MIN CALL AND THE POTENTIAL HAZARD THAT MIGHT OCCUR IF A TFC CONFLICT SHOULD ARISE. THE WORKLOAD ON JUMP RUN IS QUITE INTENSE, BUT I WILL NOT FORGET TO MAKE THAT CRUCIAL CALL AGAIN.

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.