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C182 pilot reported being alerted to a low altitude situation on approach to gtf after his pitot/static system exhibited symptoms of frozen blockage.
| Attributes | |
| ACN | 1586503 |
| Time | |
| Date | 201810 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | GTF.Airport |
| State Reference | MT |
| Aircraft 1 | |
| Make Model Name | Skylane 182/RG Turbo Skylane/RG |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Final Approach |
| Route In Use | Direct |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Pitot-Static System |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 25 Flight Crew Total 22000 Flight Crew Type 3000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance Deviation - Track / Heading All Types Inflight Event / Encounter CFTT / CFIT Inflight Event / Encounter Unstabilized Approach |
Narrative:
On approach to ILS crossing FAF and airspeed indicator started to decrease as [I was] descending. [I] pushed nose over to increase speed and realized pitot must have frozen over. Reached for circuit breaker's and switched [them on and off] to re-energize and was blown off localizer and descended [below] localizer minimums. I tried to activate ipad map function to verify position adding distraction.was alerted by tower they had an alarm for low altitude and to climb. I had ground contact and proceeded to airport and landed. Later told to call tower and informed they would have to report to supervisor.felt pressure to meet appointment time.
Original NASA ASRS Text
Title: C182 pilot reported being alerted to a low altitude situation on approach to GTF after his pitot/static system exhibited symptoms of frozen blockage.
Narrative: On approach to ILS crossing FAF and airspeed indicator started to decrease as [I was] descending. [I] pushed nose over to increase speed and realized pitot must have frozen over. Reached for CB's and switched [them on and off] to re-energize and was blown off localizer and descended [below] localizer minimums. I tried to activate iPad map function to verify position adding distraction.Was alerted by Tower they had an alarm for low altitude and to climb. I had ground contact and proceeded to airport and landed. Later told to call Tower and informed they would have to report to supervisor.Felt pressure to meet appointment time.
Data retrieved from NASA's ASRS site 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.