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An SF340 flight crew diverts to bos after learning that the WX at their destination airport, bgr, is below CAT ii limits. Pwm, me.
| Attributes | |
| ACN | 450843 |
| Time | |
| Date | 199909 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : bgr.airport |
| State Reference | ME |
| Altitude | msl single value : 17000 |
| Environment | |
| Flight Conditions | Mixed |
| Weather Elements | Fog |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | SF 340B |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 200 flight time total : 3000 flight time type : 1800 |
| ASRS Report | 450843 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Events | |
| Anomaly | inflight encounter : weather non adherence : company policies non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : diverted to another airport |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Company ATC Human Performance Weather |
| Primary Problem | Weather |
Narrative:
En route to bgr with planned fuel for a part 121 flight and no alternate, based on company approved forecast. Over pwm, learned that company aircraft was holding at pwm due to low visibility. Appeared clear from altitude. Decided to check bgr WX. Learned that current WX was down to less than 1/4 mi with RVR variable between 1600-2000 ft RVR. Based on fuel remaining on board, the crew decided to divert to bos to avoid any unnecessary emergency situation. Flight was diverted to bos and refueled. The flight was then dispatched back to bgr with 2 alternates, based on new amended forecast. We should have been more wary of forecast, based on experience flying in northeast. Crew utilized good judgement and avoided a potentially precarious situation.
Original NASA ASRS Text
Title: AN SF340 FLC DIVERTS TO BOS AFTER LEARNING THAT THE WX AT THEIR DEST ARPT, BGR, IS BELOW CAT II LIMITS. PWM, ME.
Narrative: ENRTE TO BGR WITH PLANNED FUEL FOR A PART 121 FLT AND NO ALTERNATE, BASED ON COMPANY APPROVED FORECAST. OVER PWM, LEARNED THAT COMPANY ACFT WAS HOLDING AT PWM DUE TO LOW VISIBILITY. APPEARED CLR FROM ALT. DECIDED TO CHK BGR WX. LEARNED THAT CURRENT WX WAS DOWN TO LESS THAN 1/4 MI WITH RVR VARIABLE BTWN 1600-2000 FT RVR. BASED ON FUEL REMAINING ON BOARD, THE CREW DECIDED TO DIVERT TO BOS TO AVOID ANY UNNECESSARY EMER SIT. FLT WAS DIVERTED TO BOS AND REFUELED. THE FLT WAS THEN DISPATCHED BACK TO BGR WITH 2 ALTERNATES, BASED ON NEW AMENDED FORECAST. WE SHOULD HAVE BEEN MORE WARY OF FORECAST, BASED ON EXPERIENCE FLYING IN NE. CREW UTILIZED GOOD JUDGEMENT AND AVOIDED A POTENTIALLY PRECARIOUS SIT.
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.