FTA Studio
v5
File ▾
New
New Project
Open
Open Project…
Examples
🚆 EN50126 Rail Braking System
⚛ Nuclear Reactor SCRAM Failure
✈ Aircraft Hydraulic System
🏭 Chemical Plant Overpressure
💻 Software Safety Monitor
Save
Save
Ctrl+S
Save As…
Ctrl+⇧S
User Manual
Clear All Nodes
☰
Mode
Select
Connect
Pan
Add Gate
AND
OR
XOR
PAND
INHIBIT
NAND
NOR
VOTE
NOT
Add Event
○ Basic
◇ Undeveloped
⬭ Conditioning
⌂ House
△ Transfer In
▽ Transfer Out
Reuse
Copy Subtree
Analysis
Analyze
CCF
Disjoint
Data
Library
DB
ETA
View
Auto Layout
Fit to View
Edit
Undo
Redo
Lock
Clear
Export
Diagram…
HTML Report
Print / PDF
📋 Cut Sets CSV
📋 Nodes CSV
📋 FMEA CSV
📦 IEC JSON
Help
User Manual
Select
Connect
Pan
Gate ▾
Gate Node
AND
— all inputs must fail
OR
— any input fails
XOR
— exactly one input
PAND
— priority AND (ordered)
INHIBIT
— conditional AND
NAND
— inverted AND (not all fail)
NOR
— inverted OR (none fail)
VOTE
— K-of-N threshold
NOT
— negation
Event ▾
Leaf Event
○ Basic Event
◇ Undeveloped
⬭ Conditioning
⌂ House Event
△ Transfer In
▽ Transfer Out
Reuse
Copy
Analyze
Tools ▾
Failure Modelling
Common Cause Failures (CCF)
Disjoint Event Groups
Data Sources
Import Failure Rate CSV
Reusable Event Library
Failure Rate Database
Extended Analysis
Event Tree Analysis (ETA)
Undo
Redo
Lock
Layout
Fit
Export ▾
Diagram
Export Diagram…
pages + format
Report
Full Report (HTML)
Print / Save as PDF
Data — CSV
📋 Cut Sets CSV
MCS + probabilities
📋 Node Inventory CSV
all events + params
📋 FMEA CSV
S/O/D, RPN, sorted
Data — JSON
📦 IEC 61025 JSON
structured schema
Community
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Create project → New FTA → add Gate Nodes & Leaf Events → Connect → Analyze
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