IP 583 IS APPROVED FOR DEF STAN 91-91 & ASTM D16553 Comments May 21, 2015
IP 583 IS APPROVED FOR DEF STAN 91-91 & ASTM D1655
FIJI now included in Jet Fuel Specifications
ASTM D1655, Defense Standard 91-91 and EI/JIG standard 1530 , the specifications for Aviation Turbine Fuels, AVTUR, Jet A, and Jet A-1, have been updated to allow the new 50mg/kg FAME limit and now include IP 583 and ASTM D7797.
CHANGES TO ASTM D1655
- Table 3 – Incidental Materials has been updated and the level of FAME permitted in JET fuel has been increased from 5 mg/kg to 50mg/kg.
- An emergency release of 100 mg/kg is permitted when authorized by the airframe and engine manufacturers.
- Table 3 includes the FIJI Rapid Screening methods, IP 593 / ASTM D7797, as accepted test methods for the new 50mg/kg FAME level.
- The levels may increase to 100 mg/kg after two years, once the industry has been able to evaluate the field performance of fuels with higher FAME levels.
- Download ASTM D1655
CHANGES TO DEF STAN 91-91
- Table 1 – Incidental Materials will include a maximum of 50 mg/kg with an emergency release of 100 mg/kg.
- Table 2 includes the FIJI Rapid Screening methods, IP 593 / ASTM D7797, as accepted test methods for the new 50mg/kg level.
- From 2nd May 2015 FAME measurement will become a mandatory part of re-certification which is conducted at the upstream supply terminals and prior to movement to airport.
- FAME tests are now mandated in DefStan 91-91.
- Download DEF STAN 91-91
CHANGES TO JOINT FUELING SYSTEM CHECKLIST
Bulletin No.76 – Aviation Fuel Quality Requirements for Jointly Operated Systems (AFQRJOS) – has been issued with new guidance on specification changes and a revised Joint Fueling System Checklist.
- The revised 50 mg/kg limit is effective 2nd May 2015
- FIJI Methods – IP 583 / ASTM D7797 are authorized tests in the Joint Fuels Checklist
- The FIJI method is the only analysis that can screen all FAME types
- Learn More