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A hawker 400 flight crew reported abnormally high pressure in the aircraft's hydraulic system. Pilots successfully diverted to a suitable airport.
| Attributes | |
| ACN | 1501301 |
| Time | |
| Date | 201712 |
| 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 | Beechjet 400 |
| Flight Phase | Cruise |
| Route In Use | Direct |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Hydraulic System |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Shortly prior to initiating our initial descent the first officer (first officer) pilot monitoring (pm) noted that our hydraulic pressure was indicating very close to the red line 1750-1800 (red line was 1850). I noted and recorded the pressure on the gauge. I then requested him to run the appropriate checklist for high hydraulic pressure. After completing the abnormal checklist; we came to a consensus on our best alternate option and then requested a diversion to utilize the longer runway and have emergency equipment available to us. We briefed our arrival. The passengers were asked to come up to the cockpit where I briefed them on a possible emergency landing; the plan of action and the hand signals from the crew that would be used to note time to touchdown. We [assumed] the worst case scenario; if we had to land without hydraulics. The abnormal checklist allowed us to utilize the hydraulic pressure when required; and we were able to utilize the hydraulics until completion of the flight.
Original NASA ASRS Text
Title: A Hawker 400 flight crew reported abnormally high pressure in the aircraft's hydraulic system. Pilots successfully diverted to a suitable airport.
Narrative: Shortly prior to initiating our initial descent the First Officer (FO) Pilot Monitoring (PM) noted that our hydraulic pressure was indicating very close to the red line 1750-1800 (red line was 1850). I noted and recorded the pressure on the gauge. I then requested him to run the appropriate checklist for high Hydraulic Pressure. After completing the abnormal checklist; we came to a consensus on our best alternate option and then requested a diversion to utilize the longer runway and have emergency equipment available to us. We briefed our arrival. The passengers were asked to come up to the cockpit where I briefed them on a possible emergency landing; the plan of action and the hand signals from the crew that would be used to note time to touchdown. We [assumed] the worst case scenario; if we had to land without hydraulics. The abnormal checklist allowed us to utilize the hydraulic pressure when required; and we were able to utilize the hydraulics until completion of the 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.