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Pilot of small aircraft encounters unforecast icing on IFR flight plan. Being unable to maintain altitude he diverts to an airport and makes an IFR approach.
| Attributes | |
| ACN | 386112 |
| Time | |
| Date | 199711 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : 8a3 |
| State Reference | TN |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid |
| Operator | general aviation : personal |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 47 flight time total : 1512 flight time type : 1032 |
| ASRS Report | 386112 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | inflight encounter : weather |
| Independent Detector | other flight crewa |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | other |
Narrative:
Encountered unforecasted icing in clouds. Unable to maintain assigned altitude on IFR flight. It finally was necessary to make landing at livingston, tn, via IFR approach to avoid further icing. After encountering initial ice, should have pursued alternative. Instead, continued thinking situation would improve -- it didn't
Original NASA ASRS Text
Title: PLT OF SMA ENCOUNTERS UNFORECAST ICING ON IFR FLT PLAN. BEING UNABLE TO MAINTAIN ALT HE DIVERTS TO AN ARPT AND MAKES AN IFR APCH.
Narrative: ENCOUNTERED UNFORECASTED ICING IN CLOUDS. UNABLE TO MAINTAIN ASSIGNED ALT ON IFR FLT. IT FINALLY WAS NECESSARY TO MAKE LNDG AT LIVINGSTON, TN, VIA IFR APCH TO AVOID FURTHER ICING. AFTER ENCOUNTERING INITIAL ICE, SHOULD HAVE PURSUED ALTERNATIVE. INSTEAD, CONTINUED THINKING SIT WOULD IMPROVE -- IT DIDN'T
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.