ALT
35,000 ft
SPD
487 kts
HDG
274°
Aviation Software Engineering

DO-178C —Software that flieswith confidence.

Standardizing critical safety in modern avionics through rigorous quality engineering and certified processes.

Let's talkView Methodology
Design Assurance Levels
A
Catastrophic
Failure causes loss of aircraft
B
Hazardous
Reduction in capabilities or serious injuries
C
Major
Significant increase in workload
D
Minor
Operational inconvenience
E
No Effect
No impact on operation
The SEQUAL Protocol

Engineering excellence at every layer.

1

V&V Planning

Requirements analysis and design of the complete verification and validation plan.

DAL A–E coverage
2

Review & Analysis

Formal review of code, architecture and documentation against DO-178C objectives.

100% trazabilidad
3

Testing & Coverage

Structural coverage (MC/DC) and requirements-based testing with complete traceability.

MCDC + DC coverage

“SEQUAL didn't just test our code, it redesigned the way we deliver value.”

C
— CTO, Aerospace Program
Engineering Excellence
“20+ years in criticalsoftware engineering…

We bring the technical expertise and methodological rigor required to take complex avionics projects from concept to final certification.

DAL A–E
All levels
DO-178C
Compliant
20+
Years experience
Take the next step

Are you developing aviation software?

We can be your DER partner or your external V&V team. Schedule a free evaluation.

50+
Clients
<24h
Response
Let's talkNo commitment · Confidential
Certifications & Standards
ISO 25010
Software product quality
DO-178C
Aerospace safety-critical software
ISTQB
International testing certification
ISO 27001
Information security management
TMMI Level 5
Optimized testing maturity
IEEE 829
Software testing documentation