IP 583 IS APPROVED FOR DEF STAN 91-91 & ASTM D1655

IP 583 IS APPROVED FOR DEF STAN 91-91 & ASTM D1655

FIJI now included in Jet Fuel Specifications

Story from: http://www.stanhope-seta.co.uk/news3.asp?NewsItemID=124

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