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A cessna 340 military pilot encounter unexpected winds which took the aircraft 5 mi off course near acy.
| Attributes | |
| ACN | 453716 |
| Time | |
| Date | 199911 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : sie.vortac |
| State Reference | NJ |
| Altitude | msl single value : 9000 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Windshear Turbulence |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | other |
| Make Model Name | Cessna 340/340A |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other vortac |
| Flight Phase | cruise : level |
| Route In Use | enroute airway : v308.airway |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : military |
| Qualification | pilot : cfi pilot : multi engine pilot : atp |
| Experience | flight time last 90 days : 20 flight time total : 6100 flight time type : 1500 |
| ASRS Report | 453716 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | inflight encounter : weather inflight encounter : turbulence non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued advisory flight crew : returned to intended or assigned course |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Extreme crosswind and shear encountered. Autoplt not able to correct and maintain victor airway. Hand flew to airway, but was in a matter of 2-3 mins about 5 mi off course. Corrected when controller brought to my attention. No problem. Lesson in extreme (82 KTS) crosswind conditions be ever vigilant of autoplt.
Original NASA ASRS Text
Title: A CESSNA 340 MIL PLT ENCOUNTER UNEXPECTED WINDS WHICH TOOK THE ACFT 5 MI OFF COURSE NEAR ACY.
Narrative: EXTREME XWIND AND SHEAR ENCOUNTERED. AUTOPLT NOT ABLE TO CORRECT AND MAINTAIN VICTOR AIRWAY. HAND FLEW TO AIRWAY, BUT WAS IN A MATTER OF 2-3 MINS ABOUT 5 MI OFF COURSE. CORRECTED WHEN CTLR BROUGHT TO MY ATTN. NO PROB. LESSON IN EXTREME (82 KTS) XWIND CONDITIONS BE EVER VIGILANT OF AUTOPLT.
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.