American Control & Engineering Service, Inc.
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…
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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)…
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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…
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