Jet A-1 · DEF STAN 91-091
Jet fuel
Aviation fuel requires the highest standards of quality assurance throughout the supply chain. Oil Trans supplies Jet A-1 to DEF STAN 91-091 and the Joint Inspection Group (JIG) checklist, with a documented chain of custody from the refinery to the point of delivery.
Each batch is supported by the refinery certificate of quality and is retested and recertified following every transfer before release. Product is handled exclusively in tanks, barges and vessels dedicated to or approved for jet fuel service, with strict observance of segregation, settling and filtration requirements.
Documentation is maintained to support the audit requirements of airport fuel suppliers and aviation fuel distributors.
Specification
Key specification limits.
| Property | Unit | Min | Max | Test method |
|---|---|---|---|---|
| Total acidity | mg KOH/g | — | 0.015 | IP 354 |
| Aromatics | % v/v | — | 25.0 | IP 156 |
| Total sulphur | % m/m | — | 0.30 | IP 336 |
| Flash point | °C | 38.0 | — | IP 170 |
| Density at 15 °C | kg/m³ | 775.0 | 840.0 | IP 365 |
| Freezing point | °C | — | −47.0 | IP 529 |
| Viscosity at −20 °C | mm²/s | — | 8.000 | IP 71 |
| Specific energy, net | MJ/kg | 42.80 | — | IP 12 |
| Smoke point | mm | 25.0 | — | IP 598 |
| Thermal stability (JFTOT, 260 °C) | mm Hg | — | 25 | IP 323 |
| Electrical conductivity | pS/m | 50 | 600 | IP 274 |
Summary of key limits only. The full specification forms part of each sales contract. Where a standard has been revised, the edition in force on the contract date applies.
Request a quotation.
Please provide the volume, delivery location and timing. A member of our trading team will respond with indicative terms.