The formulation has been selected to be suitable in piston engines fuelled by Jet A or Jet A-1 and is designed for use in the latest highly rated turbocharged diesel engines under all operating conditions.

Applications:
AeroShell Oil Diesel Ultra is a fully synthetic engine oil containing a unique additive package to provide superior piston cleanliness, resulting in a clean, efficient and reliable engine. This package includes a powerful surface active additive, which bonds to the surface of highly loaded engine parts, protecting the engine from scuffing damage.

This oil has been developed to provide excellent component wear protection and engine cleanliness, based on substantial engine and component endurance tests with all the major diesel aero-engine manufacturers, and flight experience with diesel aeroengines in the field over recent years.

AeroShell Oil Diesel Ultra has been developed to be suitable for use in engines burning Jet fuel and its performance has been optimised to cope with the demands of this unique type of engine/fuel combination.

Features:
Ability to sustain high bearing loads
Neutralisation of acid build up from the sulphur present in the fuel
High dispersancy to allow for the relatively high particle loading produced when burning Jet fuel
AeroShell Oil Diesel Ultra must not be used in spark ignition or Avgas powered aircraft engines

Performance, Features & Benefits 
AeroShell Oil Diesel Ultra is multi-grade piston engine oil based on synthetic technology, designed for use in the new generaticm of compression igniticm (Diesel) Aviation Piston Engine. It also contains unique Shell approved additives to provide superior piston cleanliness resulting in a dean, efficient and reliable engine. These additives also include a poweful surface acting adchtive, which bonds to the surface of highly loaded engine pans, protecting the engine from scuffing damage. 

The oil has been developed to provide excellent component wear protection and engine cleanliness, based on flight expe-ie.ce with diesel aero engines in the field over recent years and substantial engine and component endurance tests with all major Diesel aero engine manufacturers 

AeroShell Oil Diesel Ultra key pedomnance features include the ability to sustain high bearing loads, neutralisation of acid build up from the Sulphur present in the fuel and high dispersancy to allow for the relatively high panicle loading produced when buming Jet fuel.

Main Applications 
AeroShell Oil Diesel Ultra has been to be suitable for use in engines buming Jet fuel and its pedomnance has been to u.pe with the demands of this unique type of engine/fuel combination. 

AeroShell Oil Diesel Ultra MUST NOT be used in spark ignition or Avgas powered aircraft engines. 

Specifications, Approvals & Recommendations 
AeroShell Oil Diesel Ultra is approved for use in the following engines. Whilst this is correct at the time of writing, testing is ongoing to extend this approval listing as new engines are 
- Thielett/Centurion Engines: 1.7 & 2.0 Centurion (Other models yet to be produced)
- SMA: SR305-230E 
- Austro Engine: AE300 
- ACEA: Meets the requirements of A3/B4 
- API Meets the requirements of SL/CF 
- SAE: Viscosity grade 5W-30