RFP QuestBeta
OpenStage · contract 14 days to close

Ministry of Defence

Project CALLISTO

Engineering & ArchitectureCPV 71000000 71300000
ValueValue not published
Deadline27 Jul 2026
Published6 Jul 2026
RegionUK-wide
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The brief

Project CALLISTO Requirement: Affordable, single use engines for current and future air systems, munitions & One Way systems, to bridge the performance gap between hobbyist, model aircraft engines and higher performance, long-life & more exquisite engines.

This phase will consist of design, development and ground testing (in appropriate engine test facilities) of Qty 4 prototype engines.

The engines must be affordable and scalable.

Any future scaled production requirement is not included under this competition, and if required shall be subject to a separate procurement.

LOTS: This procurement is split into TWO Lots: LOT 1 CALLISTO LIGHT is for a smaller, less powerful engine (750N) LOT 2 CALLISTO HEAVY is for a more powerful engine, (1.8-2kN) Tenderers are able to bid for one or both lots.

Full details of the requirement and anticipated dates can be…

Key requirements

What the supplier must deliver

01

The engines must be affordable and scalable

The engines must be affordable and scalable.

02

Any future scaled production requirement is not

Any future scaled production requirement is not included under this competition, and if required shall be subject to a separate procurement.

03

Tenderers are able to bid for one

Tenderers are able to bid for one or both lots.

04

Tenderers wishing to take part must submit

Tenderers wishing to take part must submit an ITT on the Defence Sourcing Portal no later than the specified closing date.

Derived from the notice text — always confirm against the original documents.

Source & provenance
OCID
36585cd2-b044-47cb-81f0-e6139352fa45
Stage
contract · Contract
Source
Contracts Finder
Buyer ref
tender_532862/1586346
View the original notice on Contracts Finder

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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