EMB ERJ 145 ER/LR
Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Human-Machine Interface; Situational Awareness
Aircraft Equipment Problem Critical; Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural Weight And Balance
Air Traffic Control Issued New Clearance; Flight Crew Landed in Emergency Condition; Flight Crew Returned To Departure Airport
Aircraft
Upon further inspection; Maintenance determined that there was a severe leak in the system and after opening the engine 1 cowling; most all of the hydraulic fluid came rushing out on to the ground. After departing and getting approximately 500 feet off of the ground the flight crew was made aware of a Hydraulic System 1 issue. The EICAS (Engine Indication and Crew Alerting System) had the following messages displayed: Aileron System 1 inop; Rudder System 1 inop; E1 hydraulic pump fail; and Hydraulic 1 low quantity. Hydraulic 1 quantity read 0. After switching over to Departure; the flight crew mentioned the issue and requested to land. Departure put us on a downwind heading and leveled us at 4;000 feet. The flight crew needed to extend downwind and base legs in order to run all appropriate checklists and to brief the approach. When all of this was completed; the flight crew returned to the field and landed overweight with less than a 300 feet per minute descent before touchdown without any incidents.
EMB-145 flight crew reported loss of hydraulics system 1 after takeoff and returned back to departure airport.