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LNC4 pilot reported rapid loss of cabin pressure at FL250 resulting in a diversion to a nearby airport.
| Attributes | |
| ACN | 1492244 |
| Time | |
| Date | 201710 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Lancair IV/IVP |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Direct |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Pressurization System |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Private Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Cruising at FL250 and encountered rapid loss of cabin pressure. Donned oxygen max. Started emergency decent out of FL250. [Notified ATC]; they asked what altitude I was requesting; and while it was very difficult to hear I requested below FL120 and ended up stopping at FL100 after a controller change. After consideration I decided to land at ZZZ to look everything over before proceeding to the original destination. I spoke with my mechanic; and we decided the plane was good to fly on to my original destination. I did so at FL110 with no issues in flight.
Original NASA ASRS Text
Title: LNC4 Pilot reported rapid loss of cabin pressure at FL250 resulting in a diversion to a nearby airport.
Narrative: Cruising at FL250 and encountered rapid loss of cabin pressure. Donned oxygen max. Started emergency decent out of FL250. [Notified ATC]; they asked what altitude I was requesting; and while it was very difficult to hear I requested below FL120 and ended up stopping at FL100 after a controller change. After consideration I decided to land at ZZZ to look everything over before proceeding to the original destination. I spoke with my mechanic; and we decided the plane was good to fly on to my original destination. I did so at FL110 with no issues in flight.
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.