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Heading tracking deviation creates an off course off airway for small transport air carrier flight crew.
| Attributes | |
| ACN | 167417 |
| Time | |
| Date | 199101 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : fll |
| State Reference | FL |
| Altitude | msl bound lower : 8000 msl bound upper : 8000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zma |
| Operator | common carrier : air carrier |
| Make Model Name | Small Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | cruise other |
| Route In Use | enroute airway : br66v |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 3100 flight time type : 1850 |
| ASRS Report | 167417 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | non adherence : published procedure non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Flying on BR66V, cleared to PADU5. We (first officer and I) failed to remain on arwy because it appeared that the intersection where we thought we were supposed to turn was at 68 NM on the fll 088 degree right. The depiction of the mileage of this intersection appears to indicate 68 NM. In fact, the mileage is 28 north, which is the segment length. The 68 NM we read was the segment length of AR11, which was placed (that is the # '68') next to the arrow on BR66V, as if 68 was the mileage to janus. (See enclosed copy.) I think chart should be revised; figure of '68' should be placed somewhere else.
Original NASA ASRS Text
Title: HEADING TRACKING DEVIATION CREATES AN OFF COURSE OFF AIRWAY FOR SMT ACR FLT CREW.
Narrative: FLYING ON BR66V, CLRED TO PADU5. WE (F/O AND I) FAILED TO REMAIN ON ARWY BECAUSE IT APPEARED THAT THE INTXN WHERE WE THOUGHT WE WERE SUPPOSED TO TURN WAS AT 68 NM ON THE FLL 088 DEG R. THE DEPICTION OF THE MILEAGE OF THIS INTXN APPEARS TO INDICATE 68 NM. IN FACT, THE MILEAGE IS 28 N, WHICH IS THE SEGMENT LENGTH. THE 68 NM WE READ WAS THE SEGMENT LENGTH OF AR11, WHICH WAS PLACED (THAT IS THE # '68') NEXT TO THE ARROW ON BR66V, AS IF 68 WAS THE MILEAGE TO JANUS. (SEE ENCLOSED COPY.) I THINK CHART SHOULD BE REVISED; FIGURE OF '68' SHOULD BE PLACED SOMEWHERE ELSE.
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.