Bangkok Aviation Fuel Services Public Company Limited or BAFS is sole aircraft fuelling company at Bangkok International Airport, Thailand. Main product serviced is JET A-1.

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JET A-1 is transported to BAFS' depot via dedicated and integrated pipelines that are connected through the Fuel Pipline Transportation Limited (FPT) and the Thai Petroleum Pipeline Company Limited (THAPPLINE). Only certified JET A-1 is received. Before being stored in storage tanks JET A-1 is passed through pre filters and filter water separators to remove particulate matter and separate water. Then, JET A-1 is allowed to settle in storage tanks for at least 24 hours before being released for delivery.

JET A-1 is pumped through filter water separators by hydrant pumps into underground hydrant fuelling system installed under the aircraft parking area. Where the hydrant fuelling system is available dispensers are used to deliver JET A-1 into aircraft fuel tanks. Where the hydrant fuelling system is not available refuellers are used instead.

Besides, all dispensers and refuellers are installed with the On-Track Computer System in order to standardize the service with a focus on high technology, accuracy, speed and safety

There are 5 main, fixed cone-roof type, storage tanks with a total capacity of about 75 million liters. They are fully epoxy coated and equipped with free vent and floating suctions. Inlet and outlet valves are motorized valves which can be controlled from the control room.

JET A-1 is a kerosine type fuel used for aircraft with gas turbine engines, more commonly known as jet engines. Although similar to kerosine, it is cleaner, purer and is of higher quality than household kerosine. It is crystal clear, vaporizes slowly and normally used for commercial aircraft.

One jockey and 10 main hydrant pumps are used to supply the hydrant fuelling system. The jockey pump, or starting pump, has a pumping capacity of 10 m3/hour. Each main hydrant pump has a pumping capacity of 454 m3/hour, thus, enabling total delivery flow rate of 4,540 m3/hour.

In order to increase its accuracy and work efficiency, BAFS has implemented an automatic receiving and dispensing system to be Distributed Control System (DCS). This system controls and open/ close valve to receive and dispense fuel; this is done from a computer monitor which is easier and faster.

Besides, Automatic Tank Gauging has been installed not only to increase accuracy but also to link data to the DCS system, that simultaneously reads the fuel level and temperature.

Hydrant Fuelling system managed by Thai aviation refueling company limited (TARCO). Receives Jet A-1 fuel from the depot is then channeled through 8 hydrant pumps into the hydrant pipelines network which buried underground and spreading throughout the aircraft parking area and then to each of the 119 parking pits. The final step of the Jet A-1 fuel delivery from the hydrant pit to the aircrafts requires hydrant dispensers.

Currently BAFS has 40 high-flow dispensers, each of them has "ARMS System" installed with the aim of improving refueling services with accuracy, speed and safety. They are used for transferring JET A-1 from high-pressure hydrant fuelling system into aircraft's tanks. Each of them has maximum flow rate of 3,200 liters/minute. They reduce and control pressure from the hydrant to acceptable limit and filter JET A-1 one last time before it enters aircraft's tanks.

In line with our commitment to providing the best service possible, "ARMS System" has been installed on to all dispensers and refuellers in order to facilitate our refueling system and to serve aircrafts the accurate and efficient service, the system consists of:

  • An administrative system, responsible for providing data and controlling orders for daily service.
  • An ARMS system, information is received through a "card" or by radio transmission. The Operator simply verifies the flight details, aircraft registration number, location and then provides the fuelling service. Then refueling is completed, the ARMS system issues an automatic delivery receipt (D/R)

Refuellers are large fuelling vehicles with an integral tank and pump. They are developed where hydrant fuelling system is not available. Their tank capacities vary. The common size is 65,000 liters. On-Truck Computer System has been installed in all refullers with the aim of improving refueling services with accuracy, speed and safety. Most of the refuellers can supply up to 3,200 liters per minute. They control pressure at aircraft adapters to acceptable limit and filter JET A-1 for the last time before it enters aircraft tanks.