Worldwide Aviation Technical Consultancy & MRO Support
Operational, airworthiness, and maintenance expertise built on 30+ years of hands-on aviation experience.

Operational, airworthiness, and maintenance expertise built on 30+ years of hands-on aviation experience.


Cosandeniz.Tech is an independent aviation consultancy providing technical advisory, maintenance oversight, and airworthiness support for commercial aircraft. Founded by aviation specialist Uğur Cosandeniz, the company brings more than three decades of real-world experience in aircraft maintenance, inspections, and technical representati
Cosandeniz.Tech is an independent aviation consultancy providing technical advisory, maintenance oversight, and airworthiness support for commercial aircraft. Founded by aviation specialist Uğur Cosandeniz, the company brings more than three decades of real-world experience in aircraft maintenance, inspections, and technical representation.
Our work is built on precision, integrity, and operational excellence—ensuring every aircraft we support meets the highest standards of safety, reliability, and regulatory compliance.

To deliver reliable, data-driven and cost-efficient technical solutions that support operators, owners, and maintenance organizations across the full aircraft lifecycle.
To be a trusted global partner for aviation technical services, providing value through expertise, transparency, and engineering excellence.

We offer a wide range of aviation consultancy services, including mid term inspections, Technical Services assistance, routine maintenance support, maintenance reserves calculation and sourcing and procurement of aircraft parts on behalf of it's returning Clients.

✈Airworthiness & regulatory compliance
✈Heavy maintenance & shop visit oversight
✈Lease transitions & redelivery management
✈Aircraft records, AMP, and
✈AD/SB evaluations
✈MRO coordination and technical reporting
✈Asset audits & physical inspections
✈Engineering support for airlines and lessors

✈30+ Years of Aviation Experience
Hands-on expertise working across multiple technical roles in commercial aviation.
✈ Licensed B1/B2 Aircraft Maintenance Engineer
Fully certified by the Turkish DGCA with extensive practical and theoretical background.
✈ Proven Global Portfolio
Experience supporting aircraft maintenance and transitions in
✈30+ Years of Aviation Experience
Hands-on expertise working across multiple technical roles in commercial aviation.
✈ Licensed B1/B2 Aircraft Maintenance Engineer
Fully certified by the Turkish DGCA with extensive practical and theoretical background.
✈ Proven Global Portfolio
Experience supporting aircraft maintenance and transitions in Europe, the Middle East, and worldwide.
✈ Deep Technical Knowledge
From classic fleets to modern platforms, including Airbus and Boeing narrow-body and wide-body aircraft.
✈ Independent & Client-Focused
Offering unbiased, transparent consultancy tailored to your operational needs.

✈Mid-term, end-of-lease, and redelivery inspections
✈Physical condition surveys
✈Cabin, structure, and systems assessments
✈Findings identification, documentation, and follow-up
✈Representation during shop visits, MRO events, and aircraft transition
✈On-site support during C-checks and heavy maintenance
✈Work package planning and execution tr
✈Mid-term, end-of-lease, and redelivery inspections
✈Physical condition surveys
✈Cabin, structure, and systems assessments
✈Findings identification, documentation, and follow-up
✈Representation during shop visits, MRO events, and aircraft transition
✈On-site support during C-checks and heavy maintenance
✈Work package planning and execution tracking
✈Findings coordination and resolution
✈Quality assurance of completed work
✈Communication with MRO, vendor, and OEM teams
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We love our customers, so feel free to visit during normal business hours.
🏠Güzelbağ Mahallesi Asmalı Sok. Seval Sit. D17-1 Muratpaşa Antalya Türkiye
✉ ugur@cosandeniz.tech ✉ cosandeniz@gmail.com 📞TR+90 540 7378777 (Vodafone) 📞TR +90 533 5418241(Whatsapp) 📞UK +44 1613941585 (Sonotel)
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