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Aus controller reports disparity between issued departure clearance and unexpected aircraft route flown using FMS.
| Attributes | |
| ACN | 631407 |
| Time | |
| Date | 200408 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : cwk.vortac |
| State Reference | TX |
| Altitude | msl single value : 4500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : aus.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet 700 ER&LR |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | climbout : initial |
| Route In Use | departure : on vectors departure sid : centex 1 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| Experience | controller military : 4 controller radar : 19 controller time certified in position1 : 4.5 flight time total : 400 |
| ASRS Report | 631407 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted none taken : detected after the fact |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Ambiguous |
Narrative:
On initial contact, pilot was issued the following clearance: 'air carrier X, austin departure, radar contact. Turn right heading 070 degrees, intercept and resume the austin 1 departure, climb and maintain 12000 ft.' the aircraft flew this heading for several mi, then turned towards the cwk VOR instead of flying the ATC assigned heading. When queried, the pilot stated that he was flying the departure procedure.
Original NASA ASRS Text
Title: AUS CTLR RPTS DISPARITY BTWN ISSUED DEP CLRNC AND UNEXPECTED ACFT RTE FLOWN USING FMS.
Narrative: ON INITIAL CONTACT, PLT WAS ISSUED THE FOLLOWING CLRNC: 'ACR X, AUSTIN DEP, RADAR CONTACT. TURN R HDG 070 DEGS, INTERCEPT AND RESUME THE AUSTIN 1 DEP, CLB AND MAINTAIN 12000 FT.' THE ACFT FLEW THIS HDG FOR SEVERAL MI, THEN TURNED TOWARDS THE CWK VOR INSTEAD OF FLYING THE ATC ASSIGNED HDG. WHEN QUERIED, THE PLT STATED THAT HE WAS FLYING THE 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.