LANSARY. Defence Bring us the decision
Lansary Briefing · LB-DEF-2026-02

Three primes, two continents, one seat.

Your bid may look diversified at the top. This briefing traces the UK's fast-jet fleet down to the ejection seat and the energetics beneath it. Three primes. Two continents. One seat house. One deeper supplier line the public record can name.

14 pages · published 5 July 2026 · every figure traces to a named public record

What the record shows

What the public record shows.

Public fleet
Three fast-jet chains converge.

F-35, Typhoon and Hawk sit behind different programme maps. Follow the ejection seat and all three resolve to Martin-Baker.

Companies House
Control resolves, then stops.

The public register takes the seat house to Killinchy Aerospace Holdings. Above that, the register does not settle ultimate beneficial ownership.

2014 agreement
The tier beneath the seat narrows again.

A Chemring release names Chemring Energetics UK for propellant material and pyro-mechanical devices for Martin-Baker seats.

Bid exposure
Top-level diversity can hide bottom-level concentration.

The read is about the item chain, not a rating on any named firm. It shows where a bid map can stop too early.

Each finding in the briefing traces to a named public record — a notice ID, a filing, a register entry — so you can check any line yourself. The full read, with sources, is in the PDF.

The open line

What the public record doesn't settle.

Your bid has its own version of this node. A private read starts with the suppliers, partners and flow-downs you actually rely on, then tests which dependencies sit below the tier you can already see.

Lansary also reads the record in aerospace and nuclear.

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