VTOL Certification Framework

Mini-Bee / Red VTOL — EASA Certification Framework

A high-level certification map for a 2PAX hybrid VTOL multicopter designed as an ultra-light air ambulance concept.

Hero visual placeholder — Mini-Bee aircraft, EASA certification path, CS-27, SC-VTOL-02 and system demonstration.

Main document

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Red VTOL TRL4 — 2PAX VTOL hybrid multicopter — Ultra light air ambulance — EASA Certification Framework

File:20260422 RedVTOL EASA Certification 01 High Level Framework v2 en.pptx

This presentation defines the high-level EASA certification logic for Mini-Bee / Red VTOL. It identifies the main aircraft classification, the applicable certification texts, the system references, and the next certification risks to analyse.

Certification snapshot

Project	Aircraft logic	Main basis	VTOL complement	Key issue
Mini-Bee / Red VTOL	2PAX hybrid VTOL multicopter	CS-27	SC-VTOL-02	Certifiable lift/thrust system

MiniBee High Level Certification Map.png

High Level
Aircraft classification and regulatory basis.
MiniBee System Certification Map.png

Medium Level
System and sub-system certification references.
MiniBee Evidence Demonstration Map.png

Low Level
Evidence, tests and means of compliance.

Page objective

The objective of this page is to summarize the certification logic of Mini-Bee / Red VTOL.

It answers three practical questions:

Question	Certification answer
What is the aircraft category?	Small rotorcraft with VTOL-capable characteristics.
Which rules apply?	CS-27, SC-VTOL-02 and associated system references.
What must be demonstrated?	Safety, compliance, lift/thrust system robustness and technical evidence.

Visual certification logic

Figure placeholder — Three-level certification logic: High Level, Medium Level, Low Level.

Level	Meaning	Main output
High Level	Aircraft classification and certification basis.	CS-27 + SC-VTOL-02 positioning.
Medium Level	System and sub-system rules.	CS-E, SC E-19, CS-P, CS-26, AMC-20, CS-34.
Low Level	Compliance demonstration.	Analyses, tests, simulations, inspections and reports.

High Level — aircraft positioning

The current certification logic is to position Mini-Bee / Red VTOL as:

a small rotorcraft under CS-27;
with VTOL-capable characteristics under SC-VTOL-02.

This is the central regulatory positioning of the project.

CS-27 gives the rotorcraft basis. SC-VTOL-02 covers the specific VTOL-capable aspects.

Visual placeholder — Mini-Bee positioned between CS-27 and SC-VTOL-02.

Main EASA references

Reference	Role in the framework
EASA	Official European authority for aviation certification.
CS-27	Main basis for small rotorcraft.
SC-VTOL-02	Special condition for small-category VTOL-capable aircraft.
CS-VLR	Possible reference for very light rotorcraft, if the design fits.
CS-29	Reference for more complex rotorcraft aspects.

Visual placeholder — EASA reference map: CS-27, SC-VTOL-02, CS-VLR and CS-29.

Medium Level — system certification map

The aircraft-level certification basis must be translated into system and sub-system references.

Aircraft domain	Main certification reference
Engine	CS-E
Electric / hybrid propulsion	SC E-19
Propellers	CS-P
Operational airworthiness	CS-26
Products, parts and appliances	AMC-20
Emissions and fuel venting	CS-34

Visual placeholder — System map linking each aircraft domain to its certification reference.

Lift / thrust system

For Mini-Bee / Red VTOL, the key technical object is the complete lift / thrust system.

It must be considered as an integrated chain.

Visual placeholder — Fuel source → engine → generator → power electronics → motors → propellers → thrust.

Chain element	Certification attention
Energy source	Safety, endurance, fuel venting.
Thermal engine	CS-E and installation.
Electrical generation	Reliability and degraded modes.
Power electronics	Electrical safety and EMC.
Electric motors	Redundancy and failure cases.
Propellers / rotors	Loads, vibration, noise and safety.
Control logic	Monitoring, command and degraded operation.

Low Level — evidence and demonstration

Certification is not based on intention. It is based on documented evidence.

Mini-Bee evidence matrix

Visual placeholder — Requirements linked to analyses, tests, inspections, simulations and demonstrations.

Analysis	Test	Simulation	Inspection	Demonstration
Safety studies	Bench tests	HIL / SIL	Installation checks	Flight evidence

Certification risks

Risk	Design impact
CS-27 / SC-VTOL boundary	The aircraft must remain clearly classifiable.
CS-29 drift	Complexity may increase certification burden.
Hybrid propulsion	The full chain may be safety-critical.
High electrical power	EWIS, EMC and power distribution must be justified.
Distributed lift	Failure cases and degraded modes must be demonstrated.
VEMS mission	Medical or public service use may add operational constraints.

Certification pathway

Mini-Bee certification pathway

Visual placeholder — Concept → classification → system map → evidence → tests → operational approval.

Key conclusions from the presentation

Mini-Bee / Red VTOL should currently be considered as a small rotorcraft with VTOL-capable characteristics.

The most credible certification logic is:

CS-27 as the small rotorcraft basis;
SC-VTOL-02 for VTOL-capable aspects;
SC E-19 for hybrid propulsion;
CS-E and CS-P for engine and propulsive elements;
additional references when operations, complexity or environmental aspects require them.

Visuals to create

File name	Role
MiniBee_VTOL_Certification_Framework_Hero.png	Hero image for the top of the page.
MiniBee_Certification_Three_Level_Logic.png	Explain High / Medium / Low certification levels.
MiniBee_CS27_SCVTOL_Positioning.png	Show the dual positioning of Mini-Bee.
MiniBee_EASA_Reference_Map.png	Show the main EASA references.
MiniBee_Medium_Level_System_Certification_Map.png	Link systems to certification references.
MiniBee_Lift_Thrust_System_Chain.png	Show the full lift/thrust chain.
MiniBee_Low_Level_Evidence_Matrix.png	Show compliance evidence.
MiniBee_Certification_Pathway.png	Final certification roadmap visual.

Certification FrameWork VTOL