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For when compromise isn’t an option

Special Mission Interiors

JETMS delivers specialised design, manufacturing, and installation services for Special Mission aircraft. From rapid reconfigurations for tactical missions, to fully certified SAR cabin conversions, we ensure mission-critical performance with uncompromising safety and airworthiness compliance.

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Our Expertise

Mission-Specific Design & Engineering

We provide fully certified cabin modifications under EASA Part 21J Design Organisation Approval. Our engineering team designs and certifies:

  • Mission equipment racks & operator stations
  • Observer seating with harness systems
  • Bulkheads & cargo barriers
  • Sea trays, stowage solutions & emergency equipment integration

Custom Manufacturing & Assembly

Our in-house production (Part 21G) ensures fast turnaround of MOD & SAR cabin components:

  • Lightweight composite panels
  • Reinforced cabin partitions
  • Special-mission stretchers & mounts
  • Tactical stowage modules
  • Soundproof mission curtains

Rapid Fit-Out & Retrofit Projects

We deliver turnkey solutions for fixed-wing and rotorcraft:

  • Cabin reconfigurations for troop transport, SAR, MEDEVAC, or utility operations
  • Installation & certification of mission kits
  • Upgrades for extended mission endurance and crew comfort
  • Full integration of equipment with existing aircraft structures

Compliance & Certification

All work complies with MOD standards and civil regulatory requirements under EASA and UK CAA. Our team manages:

  • Stress analysis & substantiation
  • 3D and 2D design and modelling
  • Flammability compliance
  • Airworthiness approval packages
  • Supplemental Type Certificates (STCs) where required