← Back to energy productsDEF STAN 91-091 · ASTM D1655 · AFQRJOS

Jet A-1 Aviation Turbine Fuel

Civil aviation turbine fuel controlled from refinery batch to airport delivery.

Commercial overview

Contract basis,
clearly defined.

Jet A-1 is traded only against the agreed current edition of DEF STAN 91-091, ASTM D1655 and/or AFQRJOS, plus airport and operator quality controls. Additive status, recertification, traceability and handling history form part of acceptance.

Reference basisIndicative Jet A-1 acceptance matrix
Detailed specification

Quality acceptance matrix

Values are commercial reference points—not an offer or automatic guarantee. Use the current official standard and agreed contract schedule for procurement.

ParameterReference requirementTest method / basis
AppearanceClear, bright and visually free of waterVisual
Total acidity0.100 mg KOH/g maximumASTM D3242
Aromatics25.0% v/v maximumASTM D1319 / approved method
Total sulfur0.30% m/m maximumASTM D1266 / D2622
Mercaptan sulfur0.003% m/m maximumASTM D3227
Distillation — 10% recovered205°C maximumASTM D86
Distillation — final boiling point300°C maximumASTM D86
Flash point38°C minimumASTM D56
Density at 15°C775–840 kg/m³ASTM D4052 / D1298
Freezing point−47°C maximumASTM D5972 / D2386
Viscosity at −20°C8.0 mm²/s maximumASTM D445
Net heat of combustion42.8 MJ/kg minimumASTM D3338 / D4809
Smoke point25 mm minimum (subject to alternative rule)ASTM D1322
Copper strip corrosionClass 1 maximumASTM D130
Thermal stability JFTOTPass at 260°CASTM D3241
Existent gum7 mg/100 mL maximumASTM D381
Electrical conductivity50–600 pS/m when SDA is usedASTM D2624
Applications

Where the product is used

  • Commercial passenger aviation
  • Air cargo fleets
  • Government and charter aircraft
  • Airport hydrant and depot systems
Required documents

Transaction file

  • Refinery certificate / certificate of analysis
  • Recertification test certificate where required
  • Additive statement
  • Microseparometer and thermal-stability results
  • Release certificate and batch traceability
Primary reference

Verify the current edition

Standards are revised over time. Procurement must confirm the current edition and destination law.

ASTM D1655 scope ↗
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