FD mark
FlatlineDynamics
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ZONEUTC
FLATLINE DYNAMICS · FD/REV.04
FRAME 04 · REV 2026.05
DEFENCE CHANNEL
SIG STR -38 dBm · LOCK

THE LINE
STARTS HERE.

Two active programmes. One open slot. Built for the operator who'll field-service it.
◢◤ BOOTING FLIGHT DECK
ACTIVE CHANNEL
CH·01 · DEFENCE
◆ THE LINE STARTS HERE◆ HOLD THE LINE◆ DRAW A LINE IN THE SAND◆ END OF THE LINE FOR DOWNTIME◆ READ BETWEEN THE LINES◆ GET IN LINE◆ SIGN ON THE DOTTED LINE◆ TOE THE LINE◆ LINE OF SIGHT, LINE OF DUTY◆ STRAIGHT-LINE PERFORMANCE◆ LINE UP THE SHOT◆ ON THE FRONT LINE◆ OFF-LINE NEVER HAPPENS HERE◆ FALL IN LINE◆ THE BOTTOM LINE◆ LINEAGE NOT LEGACY◆ LINEAR THINKING, NON-LINEAR RESULTS◆ WALK THE LINE◆ THE LINE OF LEAST RESISTANCE: NOT OURS◆ COLOUR INSIDE THE LINES◆ DROP US A LINE◆ LIFELINE WHERE IT COUNTS◆ LINE OF FIRE, LINE OF DUTY◆ HOOK, LINE & SINKER◆ POWER LINE / DATA LINE / LIFELINE◆ NEVER CROSS THE LINE◆ THE PARTY LINE: WE WROTE IT◆ LINE BY LINE / REVISION BY REVISION◆ THE LINE STARTS HERE◆ HOLD THE LINE◆ DRAW A LINE IN THE SAND◆ END OF THE LINE FOR DOWNTIME◆ READ BETWEEN THE LINES◆ GET IN LINE◆ SIGN ON THE DOTTED LINE◆ TOE THE LINE◆ LINE OF SIGHT, LINE OF DUTY◆ STRAIGHT-LINE PERFORMANCE◆ LINE UP THE SHOT◆ ON THE FRONT LINE◆ OFF-LINE NEVER HAPPENS HERE◆ FALL IN LINE◆ THE BOTTOM LINE◆ LINEAGE NOT LEGACY◆ LINEAR THINKING, NON-LINEAR RESULTS◆ WALK THE LINE◆ THE LINE OF LEAST RESISTANCE: NOT OURS◆ COLOUR INSIDE THE LINES◆ DROP US A LINE◆ LIFELINE WHERE IT COUNTS◆ LINE OF FIRE, LINE OF DUTY◆ HOOK, LINE & SINKER◆ POWER LINE / DATA LINE / LIFELINE◆ NEVER CROSS THE LINE◆ THE PARTY LINE: WE WROTE IT◆ LINE BY LINE / REVISION BY REVISION
02
PLATFORM REGISTRY
◢◤ FD/REV.04

Two in evaluation. One more in development.

01 / FD-K25
KEYSTONE 25
PROTOTYPE
[ HARDWARE RENDER ]
FD-K25 · PROTOTYPE
MODULAR CARRY PLATFORM
“Repair-forward. Weight-disciplined. Built around the principle that serviceability is a performance characteristic.”
REVISION · PROTO A03VIEW DOSSIER →
02 / FD-S1
SENTINEL HMD-1
DEV
[ HARDWARE RENDER ]
FD-S1 · DEV
HEAD-MOUNTED DISPLAY
“Low-signature, single-cable. A documented, serviceable architecture for operational HMD, not a black box.”
POWER · USB-C SINGLEVIEW DOSSIER →
03 / FD-NXT
NEXT PROGRAMME
RESTRICTED
[ RESTRICTED ]
FD-NXT · RESTRICTED
DETAILS RESTRICTED
“The next line is already being drawn. Contact us through the procurement route to discuss requirements.”
STATUS · DEVELOPMENTVIEW DOSSIER →
04
PRIMARY AUDIENCES
◢◤ FD/REV.04

Four users. One doctrine.

01
[ AUDIENCE ]
USER 01
EXPEDITION & SAR
“Off-grid, every day.”
Remote operators who cannot afford equipment failure at distance. SAR teams, mountain guides, expedition leaders, and industrial users in isolated environments.
FIELD-REPAIRABLE
100%
TEMP RANGE
-40 → +71°C
UPTIME
99.998%
BRIEF FOR EXPEDITION▸
02
[ AUDIENCE ]
USER 02
OPERATORS & PROCUREMENT
“Documented and auditable.”
Specialist operators and procurement leads. End-users and buyers who need documented, auditable capability with a clear paper trail and defensible claims.
DOCUMENTATION
PUBLIC
CLAIMS
GOVERNED
EVIDENCE
ON FILE
BRIEF FOR OPERATORS▸
03
[ AUDIENCE ]
USER 03
PRIME CONTRACTORS
“Sovereign, ITAR-clean.”
Engineering and innovation teams at primes (BAE, Thales, QinetiQ, Babcock, Leonardo UK) and the integrators around them. Modules that drop into existing platforms cleanly.
INTEGRATIONS
OPEN-SPEC
IP
NEGOTIABLE
TRL
5–7
BRIEF FOR PRIME CONTRACTORS▸
04
[ AUDIENCE ]
USER 04
UKDI & DSTL
“Innovation partners.”
UKDI Innovation Partners and Dstl evaluators looking for British engineering at the right TRL, with documentation that survives a panel review.
EVAL ACCESS
OPEN
BRITISH
100%
DEF STAN
ALIGNED
BRIEF FOR UKDI▸
05
LAB / RECENT DISPATCHES
◢◤ FD/REV.04

From the bench.

Build logs and field notes, published as the work progresses.

22 APR 2026WEBThe duty-day toggle→15 APR 2026DESIGNThe hardware standard→08 APR 2026ARCHITECTUREPower budget: HMD-1→
ENTER LAB →