Founder & CEO, Månsas Group
Pasi Piirainen
36 years in aviation, built across an airline, a weather-technology company, and a national civil aviation authority. Core expertise in winter operations, fuelling, and safety management, with EASA-level regulatory cooperation and around 200 audits completed for IATA airlines and Finnair.
Core expertise
Four decades of operational and regulatory experience
The background behind Månsas Group spans an airline's operational floor, a weather-technology vendor, and a national civil aviation authority's own regulatory desk.
De-icing and anti-icing budgets, contracts, and operations across 50 airports at Finnair
Aircraft fuel quality assurance and IATA-level auditing
SMS development, risk-based oversight, and occurrence analysis
SAF technologies, compliance frameworks, and supply chain traceability
Career
From the airline floor to the regulator's desk
A career built inside the industry it now advises: 25 years at Finnair, weather-technology roles at Vaisala, seven years in aviation regulation at the national civil aviation authority, and the founding of Månsas Group.
Finnair, Process Owner, Winter Ops & Fuelling
Global oversight of quality and operational performance. Prepared and managed aircraft de-icing budgets, contracts, and operations across 50 airports worldwide. IATA ISAGO Ground Handling Safety Auditor, IFQP auditor (Aircraft Fuel Quality Pool), and DAQCP auditor (Aircraft De-/Anti-icing Quality Control Pool). Member of the SAE-G12 Aircraft De-Icing Working Groups. Member of the AEA De-/Anti-Icing Working Group and Finnair's representative on it.
Vaisala, Solution Manager
CheckTime, a holdover time decision support solution. Business development, testing of the operational solution, training, and sales support.
Vaisala, Lead Consultant
Vaisala Transportation Weather Consulting, providing consulting services to airlines and airport operators.
Vaisala, Sales Manager
Weather Solution Sales to airlines and airport service providers.
National Civil Aviation Authority, Aviation Regulation and International Cooperation
EASA cooperation on ground handling regulation and the Collaborative Analysis Group. Member of the EASA Network of Inspectors for two years.
Freelance Author
Remote. Wrote four books under the pen name Chuck Wright, including Jet Fuel Journey to Sustainable Aviation, on sustainable aviation fuel.
Månsas Group Ltd, Founder & CEO
Independent advisory services in regulatory development, operational performance, and compliance alignment for aviation stakeholders. Based in Helsinki.
Credentials & qualifications
Certifications and audit qualifications
A working set of IATA, SAE, and AEA credentials, built up across the airline and regulatory years.
audits completed in de-icing and fuelling for IATA airlines and Finnair
Publications
Four books, written under a pen name
Alongside the advisory work, four books on aviation safety, operations, and sustainability, published under the pen name Chuck Wright.
The SMS of Aviation
Guide to aviation Safety Management Systems (SMS), covering the principles, practices, and regulatory framework that underpin how the industry manages risk and safety.
Buy on Amazon →
The Fundamentals of Airplane Winter Operations
In-depth guide to aircraft ground de-icing and anti-icing operations, covering the technical process, equipment, and safety standards behind keeping aircraft safe in freezing conditions.
Buy on Amazon →
The ABC's of Aviation
Beginner's guide to the aviation industry, covering its history, regulatory development, technical evolution, and key terminology in an accessible format.
Buy on Amazon →
Jet Fuel Journey to Sustainable Aviation
An overview of jet fuel's journey from its fundamentals to today's sustainable aviation fuels (SAF), covering the basics of aviation fuel and how the industry has evolved toward sustainability.
Buy on Amazon →SAF technologies and compliance frameworks
The most recent of the four, Jet Fuel Journey to Sustainable Aviation, traces jet fuel from its fundamentals to today's sustainable aviation fuels (SAF), covering the basics of aviation fuel and how the industry has evolved toward sustainability, drawing on a fuelling and quality-assurance background rather than a purely technical one.
Contact
Let's talk about regulatory readiness, training, or advisory work.
The first conversation is free of charge. Reachable directly, by email or by phone.