Open upper intake supplying the primary electric propulsion system.
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 ducted propulsion, and rapidly replaceable aircraft systems.
Replaceable sensing, communications, power, and experimental equipment.
Supports landing assessment, obstacle awareness, positioning, and scene understanding.
Lifting surfaces reduce propulsion demand during efficient cruise.
Directional control authority during vertical operation and transition.
Ducted-fan development focused on reducing prominent tonal noise.
Modular architecture
Replaceable aircraft assemblies and open mission interfaces support rapid revision, servicing, and payload configuration.
Automated VTOL
The aircraft is being developed to transition from efficient forward flight into a stabilized vertical attitude for landing and relaunch.
Machine vision
Onboard perception supports obstacle awareness, landing-zone assessment, visual positioning, and environmental understanding.
Additive manufacturing
Suitable noncritical components are designed for fast fabrication, controlled revision, replacement, and production scaling.
Development process
From concept
to capability.
Every simulation and test creates engineering data for the next controlled revision.
01
Define
Operational requirements, aircraft constraints, mission equipment, and test objectives establish the design direction.
02
Simulate
Digital models evaluate packaging, balance, control surfaces, forward-flight behavior, and transition assumptions.
03
Prototype
Revised components and mechanisms are produced through rapid additive and conventional manufacturing.
04
Test
Bench, simulation, tethered-hover, acoustic, structural, and later flight tests measure real system behavior.
05
Learn
Telemetry, control inputs, machine-vision results, power use, vibration, and operator observations are reviewed.
06
Improve
Measured results inform controlled updates to hardware, software, manufacturing, and operating procedures.
01
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.
01
Forward flight
The wings carry the aircraft efficiently while conventional aerodynamic surfaces provide primary control.
02
Transition
The aircraft reduces speed, pivots toward vertical, and transfers control authority toward thrust vectoring and stabilization.
03
Vertical operation
The central ducted fan, thrust-vectoring system, airflow-control fins, and onboard sensing stabilize hover, landing, and relaunch.
Propulsion and control
Designed around more than thrust.
CA-1 investigates a high-solidity electric ducted-fan architecture influenced by modern acoustic-optimization research. The objective is to reduce prominent tonal noise while maintaining the thrust and control authority required for vertical operation.
Open upper intake
A direct airflow path supplies the central electric ducted fan.
Vectored exhaust
Rear thrust vectoring controls attitude during hover and transition.
Airflow-control fins
Upper fins 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 perception system can support inspection, mapping, classification, and environmental understanding.
03
Modular construction
Built as systems,
not one permanent aircraft.
Individual assemblies are intended to be inspected, replaced, revised, or upgraded without rebuilding the entire platform.
Common aircraft architecture
CA-1Propulsion, structure, avionics, power, payload, communications, and control connected through one reusable 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
Noncritical ducts, mounts, access panels, enclosures, and interfaces can be produced without dedicated tooling.
Sourced structural hardware
Carbon-fiber elements, common fasteners, electronics, and conventional materials support practical sourcing and replacement.
AI-assisted CAD
Machine-assisted design tools support packaging studies, geometry exploration, interference review, and revision planning.
Controlled configuration
Digital work instructions, serialized components, inspection checkpoints, 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 production
The long-term production model uses repeatable manufacturing cells that can expand with demand and configuration changes.
Development status
A platform in active development.
01Established
Digital prototype
Aircraft geometry, primary packaging, control surfaces, and propulsion arrangement are represented in a complete digital model.
02In testing
Simulation prototype
Forward-flight behavior, center-of-gravity assumptions, control layout, and handling are being evaluated in RealFlight.
03Active
Control development
Hover stabilization, transition logic, actuator mixing, thrust vectoring, and vertical control authority remain under refinement.
04Planned
Physical validation
Bench, tethered-hover, acoustic, structural, and complete flight testing are planned 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 engineering 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.