TCCA Certified Services

AEROSPACE
CERTIFICATION SIMPLIFIED.

4+
Core Certification Pathways
TCCA & FAA
Transport Canada Civil Aviation and Federal Aviation Administration compliant
1×
End-to-End Partner. No Hand-offs.
What We Do

OUR
SERVICES

Gritzeal delivers end-to-end PDA, RDA, PMA, and STC services for structural, hydraulic, and pneumatic components across Canada's aviation industry — with the speed of a startup and the precision of engineers. Our scope spans model design, drawings, stress analysis, FEA, fatigue & damage tolerance assessment, and vibration and flutter dynamic analysis.

01 /
PDA
Part Design Approval

Comprehensive support for the reverse engineering and certification of replacement parts and R&O rotables. Boost your aftermarket part sales and significantly reduce R&O operational costs through TCCA PDA approvals.

02 /
RDA
Repair Design Approval

Thorough inspection, custom repair dispositions and structural analysis for damages exceeding CMM and SRM limits. Salvage your BER (Beyond Economic Repair) and AR (As-Removed) units with compliant TCCA RDA solutions.

03 /
STC
Supplemental Type Certificate

End-to-end certification services for major and minor modifications of type-certificated aircraft, specialized cargo conversions, and structural redesigns of cabin interior monuments.

04 /
PMA
Parts Manufacturer Approval

Turnkey engineering design substantiation and compliance data preparation for US-market replacement parts. Leverage the Canada-US Bilateral Airworthiness Agreement to fast-track FAA PMA validations using TCCA PDA design packages.

Structural Analysis
STC Projects
Corrosion & Damage Findings
PMA Parts
Cabin Interior Redesign
Structural Analysis
STC Projects
Corrosion & Damage Findings
PMA Parts
Cabin Interior Redesign
Why Gritzeal

BUILT BY
ENGINEERS.

We're not consultants who learned the regulations — we're aerospace engineers who've worked the problems. Gritzeal was founded to give AMOs, MROs, and manufacturers a faster, more direct path through TCCA certification without the overhead of large firms.

Fast Turnaround
Certification delays cost you money. We move with urgency on every project.
🎯
Technical Depth
Founded by engineers — not project managers. We understand the work.
🔗
End-to-End
One partner for PDA, RDA, PMA and STC. Consistent expertise, no hand-offs.
// Our Process
01
Project Scoping
We assess your certification pathway, identify requirements, and define a clear project scope and timeline.
02
Engineering Analysis
Our engineers perform the technical work — model design, drawings, stress analysis, FEA, fatigue & damage tolerance assessment, vibration and flutter dynamic analysis, compliance assessments, and documentation preparation.
03
TCCA Submission
We manage the full TCCA submission process, handling all correspondence and revisions.
04
Approval & Delivery
Your approval, delivered. We provide complete documentation packages for your records.
05
Continued Support
We stay engaged after delivery — available for follow-up questions, revisions, and future amendments to your certification package.
Who We Work With

OUR
CLIENTS

🏭
AMOs
Approved Maintenance Organizations

We support AMOs requiring engineering disposition for corrosion findings, non-standard repairs, and modifications that need formal TCCA approval.

🔧
MROs
Maintenance, Repair & Overhaul

MRO facilities working on complex structural repairs and modifications benefit from Gritzeal's fast, responsive STC and PMA support.

✈️
OEMs
Aircraft Manufacturers & Designers

Manufacturers and design organizations seeking PDA and STC approvals for new or modified aeronautical products under TCCA.

Get In Touch

LET'S
TALK.

Have a certification project in mind? Dealing with damage findings that need engineering disposition? We'd love to hear from you. Reach out for a free consultation.

Email
gritzealengineering@outlook.com
🌐
Website
gritzeal.com
📍
Location
Mississauga, Ontario
Send Us a Message