Electric ducted fan
Central propulsion architecture with an open upper intake.
CA-1 platform
Built to transition.
Land. Learn.
Fly again.
CA-1 is a modular thrust-vectoring VTOL platform combining efficient forward flight, automated vertical landing, machine-learning-assisted vision, quiet electric propulsion, and replaceable aircraft systems.
Platform architectureIntegrated aircraft systems
04 core systemsThrust vectoring
Directional control for hover, transition, and landing.
Machine vision
Landing-zone assessment, positioning, and obstacle awareness.
Modular interfaces
Replaceable sensing, communications, and mission equipment.
Core capabilities
One aircraft architecture. Four connected advantages.
The CA-1 is designed as a complete system rather than a collection of unrelated features.
01
Wing-borne efficiency
The wings carry the aircraft during forward flight, reducing the propulsion demand required for efficient cruise.
02
Vertical deployment
The aircraft is being developed to pivot into a stabilized vertical attitude for landing, waiting, and relaunch.
03
Machine-learning vision
Onboard perception supports scene understanding, visual positioning, obstacle awareness, and landing assessment.
04
Replaceable construction
Modular assemblies and additive components are intended to simplify repair, revision, and configuration changes.
Development process
From concept
to capability.
Every simulation, prototype, and test creates engineering data for the next controlled revision.
01
Define
Mission requirements, constraints, payloads, and test objectives establish the design direction.
02
Simulate
Digital models evaluate packaging, balance, control surfaces, handling, and transition assumptions.
03
Prototype
Revised components and mechanisms are produced through rapid additive and conventional manufacturing.
04
Test
Bench, tethered-hover, acoustic, structural, and later flight tests measure real behavior.
05
Learn
Telemetry, machine-vision results, vibration, power use, and operator observations are reviewed.
06
Improve
Measured results become controlled updates to hardware, software, manufacturing, and procedures.
Flight architecture
One aircraft.
Three flight states.
CA-1 is being developed around a controlled transfer between efficient wing-borne flight, a rotating transition state, and stabilized vertical operation.
01Cruise
Forward flight
The wings carry the aircraft efficiently while aerodynamic surfaces provide primary control.
02Transfer
Transition
The aircraft reduces speed, rotates toward vertical, and transfers control authority toward thrust vectoring.
03Vertical
Land and wait
The central fan, vectoring system, airflow-control surfaces, and onboard sensing stabilize landing and relaunch.
Propulsion architectureElectric ducted fan
Propulsion and control
Designed around more than thrust.
CA-1 investigates an electric ducted-fan architecture influenced by modern acoustic-optimization research. The objective is to reduce prominent tonal noise while preserving the thrust and control authority required for vertical operation.
Open upper intake
A direct airflow path supplies the central electric fan.
Vectored exhaust
Rear thrust vectoring controls attitude during hover and transition.
Airflow control
Upper surfaces deploy during vertical operation to support stabilization.
Acoustic development
Fan geometry, ducting, rotational speed, loading, and vibration require measured validation.
Machine-learning vision
See the landing
before committing.
Machine-learning-assisted vision is being developed to evaluate terrain, identify obstacles, support visual positioning, and improve landing-zone assessment. The same system can support inspection, mapping, classification, and environmental awareness.
Modular construction
Built as systems,
not one permanent aircraft.
Individual assemblies are intended to be inspected, replaced, revised, or upgraded without rebuilding the complete platform.
Common aircraft architecture
CA-1Propulsion, structure, avionics, power, payload, communications, and control connected through one reusable aircraft platform.Manufacturing system
Rapid revision.
Scalable production.
The manufacturing strategy connects digital engineering, additive production, sourced structural hardware, inspection, component traceability, and repeatable assembly.
Additive components
Suitable noncritical ducts, mounts, access panels, housings, and interfaces can be produced without dedicated tooling.
Common hardware
Carbon-fiber elements, standard fasteners, electronics, and conventional materials support practical sourcing.
AI-assisted CAD
Machine-assisted tools support packaging studies, interference checks, geometry exploration, and revision planning.
Controlled configuration
Digital work instructions, serialized components, inspection points, and revision history connect hardware to engineering data.
Replaceable assemblies
Individual systems are intended to be removed, inspected, repaired, upgraded, or replaced without rebuilding the aircraft.
Scalable cells
The long-term production model uses repeatable manufacturing cells that can expand with demand.
Development status
A platform in active development.
01Established
Digital prototype
Aircraft geometry, primary packaging, control surfaces, and propulsion arrangement are represented digitally.
02In testing
Flight simulation
Forward-flight behavior, center-of-gravity assumptions, control layout, and handling are being evaluated.
03Active
Control development
Hover stabilization, transition logic, actuator mixing, and thrust-vectoring authority remain under refinement.
04Planned
Physical validation
Bench, acoustic, tethered-hover, structural, and complete flight testing remain future development stages.
Cejner Aerospace
Build simply.
Test quickly.
Improve continuously.
CA-1 connects simulation, machine learning, modular hardware, digital manufacturing, and repeated testing through one controlled development program.
CA-1 is an in-development digital and simulation prototype. Flight performance, autonomy, acoustic characteristics, transition behavior, payload capacity, endurance, and manufacturing methods remain subject to engineering development and physical validation.