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An air carrier flight crew, in turbulence, is told by the approach controller that they are to maintain 13000 ft until passing spiek on the jammn 1 STAR. The flight crew claims that they were at 13000 ft, but complains that the STAR chart is still too complicated to follow, particularly when encountering turbulence.
| Attributes | |
| ACN | 326080 |
| Time | |
| Date | 199601 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : slc |
| State Reference | UT |
| Altitude | msl bound lower : 13000 msl bound upper : 13000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : slc artcc : zob |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | arrival other arrival star : star |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 60 flight time total : 15000 flight time type : 12000 |
| ASRS Report | 326080 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 250 flight time total : 10000 flight time type : 4000 |
| ASRS Report | 326063 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter : weather non adherence : clearance non adherence : far non adherence : published procedure |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | other other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Flying jammn approach to slc for second time. Level at 13000 ft between gronk and spiek. Controller advised we were descending out of 13000 ft. We were to maintain 13000 ft until spiek. We did. This chart is too complicated. Should be 2 separate charts, 1 for landing south and 1 for landing north. Efforts should also be made to reduce complexity. Especially difficult during turbulence when charts are more difficult to read.
Original NASA ASRS Text
Title: AN ACR FLC, IN TURB, IS TOLD BY THE APCH CTLR THAT THEY ARE TO MAINTAIN 13000 FT UNTIL PASSING SPIEK ON THE JAMMN 1 STAR. THE FLC CLAIMS THAT THEY WERE AT 13000 FT, BUT COMPLAINS THAT THE STAR CHART IS STILL TOO COMPLICATED TO FOLLOW, PARTICULARLY WHEN ENCOUNTERING TURB.
Narrative: FLYING JAMMN APCH TO SLC FOR SECOND TIME. LEVEL AT 13000 FT BTWN GRONK AND SPIEK. CTLR ADVISED WE WERE DSNDING OUT OF 13000 FT. WE WERE TO MAINTAIN 13000 FT UNTIL SPIEK. WE DID. THIS CHART IS TOO COMPLICATED. SHOULD BE 2 SEPARATE CHARTS, 1 FOR LNDG S AND 1 FOR LNDG N. EFFORTS SHOULD ALSO BE MADE TO REDUCE COMPLEXITY. ESPECIALLY DIFFICULT DURING TURB WHEN CHARTS ARE MORE DIFFICULT TO READ.
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.