Get Aircraft Modifications Certified Faster Through a Transport Canada Design Approval Organization (DAO)
Elisen supports aircraft operators, OEMs, and modification centers worldwide with engineering and certification approvals for aircraft modifications, repairs, and installations.
Transport Canada DAO approvals are widely recognized by global aviation authorities, often accepted at face value—helping reduce certification timelines and aircraft return to service.
- ✔ Transport Canada Design Approval Organization (DAO)
- ✔ Fixed-Wing & Rotorcraft Certification
- ✔ Clients Worldwide
Global certification support
Elisen supports aircraft certification and modification programs for operators, OEMs and aviation organizations across international markets.
AMERICAS & EUROPE
- United States
- Canada
- United Kingdom
- France
- Germany
- Italy
- Switzerland
- Mexico Accepted
- Bermuda Accepted
- Isle of Man Accepted
- San Marino Accepted
MIDDLE EAST & AFRICA
- United Arab Emirates
- Saudi Arabia
- Qatar
- Bahrain
- Morocco
ASIA-PACIFIC
- Australia
- Singapore
- Malaysia
- Indonesia
- Philippines
- China Accepted
- New Zealand Accepted
- Nepal Accepted
- Papua New Guinea Accepted
Accepted Elisen approvals have already been accepted in these jurisdictions.
Don’t see your country? Most jurisdictions accept or validate Transport Canada approvals. Talk to our certification team about your aircraft, modification and intended regulatory pathway.
Reduce Certification Friction Across Global Markets
With broad international recognition, Transport Canada approvals help reduce rework, shorten certification timelines, and enable faster access to global markets.
International customers frequently engage Elisen for:
- STC (Supplemental Type Certificate) development for aircraft modifications
- Certification engineering support
- Regulatory compliance planning
- RDA (Repair Design Approval)
- PDA (Parts Design Approval)
Proven STC & Certification Experience
Elisen has developed and supported certification programs for complex aircraft modifications, from structural and systems changes to cargo and VIP conversions.
Regional Jet Corporate Shuttle Conversion
Elisen developed the design and owns the STC approval to convert a 50passenger commercial regional jet into a 15-passenger Executive VIP Business Jet.
- Complete cabin reconfiguration
- Electhting and passenger-system modifications
- Certified 15-passenger executive configuration
- Available for client-managed conversions
Dash 8-300 Class E Freighter Conversion
Elisen developed the design and owns the STC for conversion of the Dash 8300 from passenger aircraft to Class E freighter.
- Class E fire/smoke detection system
- Air extraction system and cargo-zone modifications
- Increased floor loading to 15,800 lbs
- Available for client-managed conversions
Conversion du cargo Dash-8
A220 (CSeries)
Bell 430
Avion de mission spéciale Lear 35
Gulfstream G-IV Special mission aircraft
CRJ200 VIP
Regional Jet Corporate Shuttle Conversion
Challenger 604 Special mission
Conversion d’un jet régional en navette d’entreprise
Avion de mission spéciale Challenger 604
Lear 35 Special Mission Aircraft
A220 (CSeries)
Alpha Jet
Bell Model 429
Fuselage avant du Global 7000
Empennage du CRJ700
BELL 429
Bell Model 430
CRJ700 Empennage
Global 7000 fwd fuselage
Avion de mission spéciale Gulfstream G-IV
Alpha Jet
A-4 Skyhawk
Conversion du CRJ 200 VIP
Dash 8 Cargo
A-4 Skyhawk
Elisen first received its Design Approval Organization accreditation from Transport Canada in 2001 (DAO # 01-Q-01).
Following a reorganization of our operation and expansion into the Maritimes region, in 2013 the DAO was assigned to our office in Nova Scotia (DAO # 13-M-01).
Transport Canada

Elisen first received its Design Approval Organization accreditation from Transport Canada in 2001 (DAO # 01-Q-01).
Following a reorganization of our operation and expansion into the maritime region, in 2013 the DAO was assigned to our office in Nova Scotia (DAO # 13-M-01).
The breadth of scope of our airworthiness certification activities grew steadily over the years. Today, our DAO delivers airworthiness certification approval projects (STC, RDA & PDA) with the services of TCCA authorized individuals in the disciplines of:
- Aircraft Structures – Design, Strength, Dynamics, Fatigue & Damage Tolerance
- Avionic / Electrical Systems
- Hydro-mechanical Systems
- Interiors & Occupant Safety
- Propulsion
- Aircraft Loads
- Aircraft Performance
- Flight Test
Our scope of authority extends across the spectrum of aircraft types:Part 23 & 25 – Light & Transport Category Airplanes Part 27 & 29 – Light & Transport Category HelicoptersTransport Canada has also recognized our specialists for complex airworthiness certification projects for non-type certified aircraft (e.g. former military fighter jets)
DismissIn 2011, Elisen entered into a strategic partnership to offer EASA approvals (Minor Modification and STC) from EASA Part 21 Design Organization Approval (DOA # EASA.21J.409).
Elisen specialists are authorized to make findings of compliance as EASA Certification Verification Engineers (CVE).
Since 2017, through direct interaction with DND specialists at the Directorate of Technical Airworthiness and Engineering Support (DTAES), Elisen has facilitated the approval by DND numerous complex projects involving avionics and electrical upgrades and special mission capabilities on both ex-military fighter jets and type-certified aircraft.
Need Support With an STC or Aircraft Certification Project?
Talk to Elisen’s certification team about your requirements, modification program and approval pathway.