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A M20 pilot encountered unexpected icing at a destination that was forecast to be ice free. ATC expedited the reporter to his nearby alternate.
| Attributes | |
| ACN | 865482 |
| Time | |
| Date | 200912 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | M-20 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Qualification | Flight Crew Flight Engineer Flight Crew Flight Instructor Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 200 Flight Crew Total 4600 Flight Crew Type 150 |
| Events | |
| Anomaly | Inflight Event / Encounter Weather / Turbulence |
Narrative:
Before the long x-country; I needed to change my flight plan to make a fuel stop. Prior to departure I was familiar with all weather; notams; pireps in the area. The briefer was notified that a crj reported light rain at 4000 ft MSL. The OAT was 39 degrees F and since I was remaining below 3000 ft MSL it should not be a factor. The local taf/metar sheared ceiling broken at 800 and ovc at 2500 while enroute at 2700 ft MSL. I noticed moderate icing on the windshield and wings. I went missed from my destination and notified ATC of the ice. He put me at 2000 ft MSL to help; but I still had ice building. I asked him for an immediate turn to my alternate airport. I landed safely. I assume ATC declared an emergency for me in order to get me priority at my alternate. The ice was a surprise for me considering all the weather resources I had. I guess I need to be even more alert and patient for future flights. I would also like to thank the ATC for all the help.
Original NASA ASRS Text
Title: A M20 pilot encountered unexpected icing at a destination that was forecast to be ice free. ATC expedited the reporter to his nearby alternate.
Narrative: Before the long x-country; I needed to change my flight plan to make a fuel stop. Prior to departure I was familiar with all weather; NOTAMs; PIREPs in the area. The briefer was notified that a CRJ reported light rain at 4000 FT MSL. The OAT was 39 degrees F and since I was remaining below 3000 FT MSL it should not be a factor. The local TAF/METAR sheared ceiling BKN at 800 and OVC at 2500 while enroute at 2700 FT MSL. I noticed moderate icing on the windshield and wings. I went missed from my destination and notified ATC of the ice. He put me at 2000 FT MSL to help; but I still had ice building. I asked him for an immediate turn to my alternate airport. I landed safely. I assume ATC declared an emergency for me in order to get me priority at my alternate. The ice was a surprise for me considering all the weather resources I had. I guess I need to be even more alert and patient for future flights. I would also like to thank the ATC for all the help.
Data retrieved from NASA's ASRS site as of April 2012 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.