by Staff Writer | Nov 19, 2015 | Control Systems, CSI, Oil and Gas, Programming
THE MYSTERY A purchaser and transporter of crude oil products contacted ACES with a challenge relating to one of their LACT stations. A LACT unit (Lease Account Custody Transfer) is the critical control system in an oil pumping station, which measures and regulates...
by Staff | Sep 9, 2012 | Aircraft, Control Systems, CSI, Oil and Gas
THE MYSTERY An aircraft manufacturer was experiencing intermittent problems with one of their fuel tank valves: It would work fine for a while and then randomly give a fail-to-close alarm. THE CLUES The first day the Control Systems Inspector (CSI) visited the plant,...
by Staff | Sep 1, 2011 | Aircraft, Control Systems, CSI, Oil and Gas
THE MYSTERY A local aircraft manufacturer has a fuel farm of ten large tanks, each storing 30,000 gallons of Jet A fuel. A valve on each tank opens to allow fuel to flow in and out to tank trucks or other tanks. When one of these valves failed, the customer called in...
