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Flight crew of BAE3100 experience loss of #2 hydraulic system shortly after takeoff. Declare emergency and land uneventfully.
| Attributes | |
| ACN | 730479 |
| Time | |
| Date | 200703 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 14000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tracon : zzz.tracon tower : ict.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Jetstream 31 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 30 flight time total : 1800 flight time type : 200 |
| ASRS Report | 730479 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial pilot : cfi pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 60 flight time total : 7300 flight time type : 3500 |
| ASRS Report | 730480 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : hydraulic press. gauge other flight crewa |
| Resolutory Action | flight crew : declared emergency flight crew : overcame equipment problem flight crew : diverted to another airport |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Aircraft had been signed off by our director of maintenance after some hydraulic work. Aircraft had been flight tested. On a morning departure the next day; we were climbing out; just west of ZZZ; when I noticed the left hydraulic pressure was falling (BAE3100's don't have low hydraulic pressure lights). We initiated a return to ZZZ. While en route; the captain said we should probably get the gear down early. When we lowered the gear; the nose gear continued to show 'unsafe.' we decided to declare an emergency. After circling the field at ZZZ; running checklists and waiting for the trucks; we landed uneventfully. I guess the main lesson to be gained here is the importance of regular emergency training; combined with solid CRM. Emergencys happen when least expected!
Original NASA ASRS Text
Title: FLT CREW OF BAE3100 EXPERIENCE LOSS OF #2 HYDRAULIC SYSTEM SHORTLY AFTER TKOF. DECLARE EMERGENCY AND LAND UNEVENTFULLY.
Narrative: ACFT HAD BEEN SIGNED OFF BY OUR DIRECTOR OF MAINT AFTER SOME HYD WORK. ACFT HAD BEEN FLT TESTED. ON A MORNING DEP THE NEXT DAY; WE WERE CLBING OUT; JUST W OF ZZZ; WHEN I NOTICED THE L HYD PRESSURE WAS FALLING (BAE3100'S DON'T HAVE LOW HYD PRESSURE LIGHTS). WE INITIATED A RETURN TO ZZZ. WHILE ENRTE; THE CAPT SAID WE SHOULD PROBABLY GET THE GEAR DOWN EARLY. WHEN WE LOWERED THE GEAR; THE NOSE GEAR CONTINUED TO SHOW 'UNSAFE.' WE DECIDED TO DECLARE AN EMER. AFTER CIRCLING THE FIELD AT ZZZ; RUNNING CHKLISTS AND WAITING FOR THE TRUCKS; WE LANDED UNEVENTFULLY. I GUESS THE MAIN LESSON TO BE GAINED HERE IS THE IMPORTANCE OF REGULAR EMER TRAINING; COMBINED WITH SOLID CRM. EMERS HAPPEN WHEN LEAST EXPECTED!
Data retrieved from NASA's ASRS site as of January 2009 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.