Template Library

Ready-made fault trees for
real safety-critical systems.

Download and open any template directly in FTA Studio. Every tree includes failure rates, failure modes, detection methods, and mitigations aligned to the relevant safety standard.

Free · IEC 61025:2006 compliant · Open in one click
Automotive OR top
AEB System Fails to Activate
Autonomous Emergency Braking failure covering sensor subsystem, ADAS processing, actuation, and redundant power supply pathways.
ISO 26262 ASIL-B 8,760 hr mission 16 nodes
Open in FTA Studio .json
Automotive AND top
Vehicle Fails to Stop — Brake System
Hydraulic service brake failure, ABS/ESC intervention failure, and redundant braking loss leading to insufficient stopping distance.
ISO 26262 ASIL-D / ECE R13 17 nodes
Open in FTA Studio .json
Aviation AND top
Total Loss of Aircraft Hydraulic Power
Catastrophic loss of all three independent hydraulic systems — Systems A, B, and emergency backup (RAT + accumulator).
ARP4761 DAL-A 25,000 hr mission 13 nodes
Open in FTA Studio .json
Rail OR top
Signal Passed at Danger (SPAD)
Train passing a stop aspect signal — covers signalling infrastructure failure, ATP system failure, and driver error pathway with probability data.
EN50126 / EN50128 SIL 4 15 nodes
Open in FTA Studio .json
Process OR top
Pressure Vessel Catastrophic Rupture
Overpressure rupture (with SIS/PRV failure), structural integrity failure (corrosion, SCC, weld fatigue), and high-temperature damage pathways.
IEC 61508 / 61511 SIL 2 16 nodes
Open in FTA Studio .json
Medical OR top
Infusion Pump Medication Overdose
Flow control mechanism failure, incorrect programming not intercepted by software limits or nurse double-check, and drug library integrity failure.
ISO 14971 / IEC 62304 16 nodes
Open in FTA Studio .json
Oil & Gas OR top
Uncontrolled Hydrocarbon Release
Pipeline integrity failure (corrosion, SCC, third-party damage), overpressure rupture with SIS/PSV failure, and flange/valve stem joint failure.
IEC 61511 SIL 2 / API RP 754 16 nodes
Open in FTA Studio .json
Nuclear AND top
Reactor Fails to SCRAM
Control rod insertion failure, reactor protection system logic failure (2oo3 voting), and ECCS failure — aligned to 10 CFR 50 single failure criterion.
MIL-STD-882E / IEEE Std 603 19 nodes
Open in FTA Studio .json
8
Industry templates
7
Safety standards covered
120+
Pre-filled failure modes
Free
to open & edit

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