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A departure, climbing, BE400 cpr jet overshoots its designated altitude prior to returning to the VOR and on course while departure bzn, mt.
| Attributes | |
| ACN | 488868 |
| Time | |
| Date | 200009 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | navaid : bzn.vor |
| State Reference | MT |
| Altitude | msl bound lower : 8000 msl bound upper : 9500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zlc.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Beechjet 400 |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other other vortac |
| Flight Phase | climbout : vacating altitude |
| Route In Use | departure : other published ifr departure |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 18000 flight time type : 200 |
| ASRS Report | 488868 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine |
| Events | |
| Anomaly | non adherence : clearance non adherence : published procedure other anomaly other other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Airspace Structure Chart Or Publication Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Both copilot and I read the departure procedure and thought it meant: depart runway 12, climbing right turn to 340 degree heading, all aircraft climb via bzn VOR 284 degree radial. That's what we did. About 2-3 mi from bzn, VOR 284 degree radial, we got hold of center and they said we should be going direct mke. We turned direct and after a few mins I asked center about the departure procedure, if we did not do it correctly. He said that we should have started the climb to 8000 ft then climbing left turn direct bzn VOR then on course. The copilot and I both thought that was part of the wbound traffic reading it as ...,'aircraft departing wbound via V343 climb on course.' (we read all other wbound not on V343) all other (eastbound) continue climb to 8000 ft, then climbing left turn direct bzn VOR. This departure, I think, should be rewritten since both of us read it different than printed. We both saw the last part as wbound information. Center said that there was no conflict of traffic or any hazard or problem caused by us. The way center explained it, it sounded like we were not the first to misread this departure procedure.
Original NASA ASRS Text
Title: A DEP, CLBING, BE400 CPR JET OVERSHOOTS ITS DESIGNATED ALT PRIOR TO RETURNING TO THE VOR AND ON COURSE WHILE DEP BZN, MT.
Narrative: BOTH COPLT AND I READ THE DEP PROC AND THOUGHT IT MEANT: DEPART RWY 12, CLBING R TURN TO 340 DEG HDG, ALL ACFT CLB VIA BZN VOR 284 DEG RADIAL. THAT'S WHAT WE DID. ABOUT 2-3 MI FROM BZN, VOR 284 DEG RADIAL, WE GOT HOLD OF CTR AND THEY SAID WE SHOULD BE GOING DIRECT MKE. WE TURNED DIRECT AND AFTER A FEW MINS I ASKED CTR ABOUT THE DEP PROC, IF WE DID NOT DO IT CORRECTLY. HE SAID THAT WE SHOULD HAVE STARTED THE CLB TO 8000 FT THEN CLBING L TURN DIRECT BZN VOR THEN ON COURSE. THE COPLT AND I BOTH THOUGHT THAT WAS PART OF THE WBOUND TFC READING IT AS ...,'ACFT DEPARTING WBOUND VIA V343 CLB ON COURSE.' (WE READ ALL OTHER WBOUND NOT ON V343) ALL OTHER (EBOUND) CONTINUE CLB TO 8000 FT, THEN CLBING L TURN DIRECT BZN VOR. THIS DEP, I THINK, SHOULD BE REWRITTEN SINCE BOTH OF US READ IT DIFFERENT THAN PRINTED. WE BOTH SAW THE LAST PART AS WBOUND INFO. CTR SAID THAT THERE WAS NO CONFLICT OF TFC OR ANY HAZARD OR PROB CAUSED BY US. THE WAY CTR EXPLAINED IT, IT SOUNDED LIKE WE WERE NOT THE FIRST TO MISREAD THIS DEP PROC.
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.