Understand What Fuels Are Used In The Aviation Industry

At Flightworx, we have an expert aviation fuel solutions team to help you with with uplifts no matter where you are in the world. In fact, provide access to a network of over a hundred different aircraft fuel suppliers and we can provide free quotations for you at any time.

Whether you are looking for zero rated fuel or jet fuel management which makes your flying more cost-efficient, we can assist. As experts in aviation fuel services, we are often asked about the different fuel types there are for aircraft. Read on to find out more.

Jet A1 Fuel

Like similar jet fuel grades, Jet A1 aviation fuel is straw coloured. This is the standard type of fuel for a wide range of aircraft around most of the world. It is based on unleaded kerosene, a clear liquid with a low viscosity.

Jet A1 fuel has a freezing point of −47 °C which means it is superior than other jet fuel types around. In addition, Jet A1 fuel has an anti-static additive put into it which means it is considered to be one of the safest fuel types around.

Jet A Fuel

Although it has been around since the 1950s, Jet A fuel is usually only available in North America since it complies to a US standard. Toronto Pearson International Airport (CYYZ/YYZ) is one of the few airports outside of the United States where you can uplift with this fuel type.

Jet A fuel may share the same flash point as Jet A1 fuel, at 38 °C, but it freezes −40 °C and has an inferior open air burn temperature of only 1,030 °C compared with 2,230 °C for Jet A1 fuel. Both fuel types must comply with ASTM specification D1655.

Jet B Fuel

Based on naphtha-kerosene, Jet B fuel was developed for improved performance in aircraft that are flying in extremely cold conditions. Aircraft ground handling operators tend to offer it in places like Northern Canada and Alaska only.

It is more volatile than both Jet A1 fuel and Jet A fuel, although this is not a serious problem when the local temperature is low. Jet B fuel has the lowest freezing point of all at −60 °C.

TS1 Fuel

Only available in Russia and some other former soviet states, TS1 is a jet fuel that complies with the Russian standard GOST 10227. In common with Jet B fuel, it is designed for use in Arctic conditions.

For this reason it was developed to have a freezing point that is below −50 °C. Its flash point is also lower than Jet A1 and Jet A fuel at 28 °C.

100LL Avgas

Avgas stands for aviation gasoline although it is still sometimes referred to as aviation spirit in the UK. There are many different grades of Avgas but 1100LL is by far the most common type.

Avgas is distinguished from car petrol because it still includes a compound called tetraethyllead, an additive which is put in to help to prevent engine knocking. The 100LL grade of Avgas limits the amount of tetraethyllead that may be added.


Unsure about what aviation fuel is best suited for your journey or looking for a new aviation fuel supplier? Get in contact with our team today and find out how Flightworx can help you with flight planning and aviation fuel supply.

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