Differences Between Jet-A1, Jet B, and TS-1
Introduction
Aviation fuels are crucial to the global air transportation industry, ensuring the reliable operation of aircraft engines. Among the most widely used types are Jet-A1, Jet B, and TS-1. While all are kerosene-based or blended fuels, they differ in composition, freezing points, volatility, and geographical usage.
Overview of Jet-A1
Jet-A1 is the standard jet fuel used globally in commercial aviation. It is a kerosene-type fuel with a maximum freezing point of −47°C and a flash point above 38°C. It conforms to international specifications such as ASTM D1655 and DEF STAN 91-91.
Overview of Jet B
Jet B is a wide-cut fuel made from kerosene and gasoline fractions. Its low freezing point (~−60°C) suits extremely cold climates (Canada, Alaska). However, it is highly volatile and poses greater risks, limiting its use to military or cold-weather operations.
Overview of TS-1
TS-1 is mainly used in Russia and CIS countries. With a freezing point of −50°C, it’s slightly more resistant to cold than Jet-A1. It’s produced under GOST (Russian standards) and used in regional aviation and defense.
Jet-A1 vs Jet B
- Composition: Jet-A1 is pure kerosene; Jet B is mixed with lighter hydrocarbons.
- Freezing Point: −47°C (Jet-A1) vs ~−60°C (Jet B).
- Jet B is more flammable and regionally restricted.
Jet-A1 vs TS-1
- Standards: Jet-A1 follows ASTM; TS-1 follows GOST.
- Freezing Point: Slightly lower in TS-1 (−50°C vs −47°C).
- TS-1 may require specific additives.
- Jet-A1 is global; TS-1 is regional.
Operational and Safety Notes
Jet B’s volatility requires extra handling care. TS-1’s lower aromatic content might affect lubrication, requiring additives or maintenance.
Environmental Impact
Jet B may produce more volatile organic compounds (VOCs). All emit CO₂. Jet-A1-compatible biofuels are under development to reduce environmental impact.
Conclusion
Understanding the differences between Jet-A1, Jet B, and TS-1 helps suppliers like A&B Impex deliver the right fuel, matching technical and regional needs. Contact us at www.aandbimpex.com for reliable aviation fuel solutions.