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Failures

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Aircraft condition & failures

Understand wear, hidden defects and simulator effects.

Reviewed 2026-10-14 · FSHangar App (Windows) 1.4.2

Persistent technical condition

Aircraft condition and maintenance history carry meaning across flights. The Fenix workflow includes wear, technical defects, diagnostics and failure management.

Failure Engine

Technical failures for your next flight are set per aircraft on the Failure Engine page of fshangar.app. The FSHangar app loads them when the flight is prepared.

ModeWhat it does
AutoThe default. The engine decides from the aircraft's condition; many flights have no failure at all.
ManualYou choose the failures, how each is discovered (known technical item or in-flight occurrence) and, for an in-flight one, after how many minutes it triggers.
RandomYou choose a difficulty; the engine generates the failures and never shows them in advance.
RevealIn Auto only: shows what is already scheduled for the next flight, without changing it.

Each mode shows its reputation effect on the page before you confirm. Completing a flight in Auto or Random earns a small Pilot reward; using Reveal costs a little Integrity. See Reputation System V2.

Hidden defects

A defect may require investigation rather than being immediately revealed. Use the inspection and diagnostic actions available for the aircraft.

Simulator effects

A supported integration can connect the modeled condition to a failure in the aircraft add-on. Capability and visible effects differ by aircraft family.

After a failure

  1. Manage the flight using the aircraft add-on's procedures.
  2. Review the recorded technical event after the flight.
  3. Inspect the corresponding defect or component.
  4. Choose the available maintenance action and verify its outcome.

Separate from airworthiness

The Failure Engine only produces technical failures. Airworthiness events come exclusively from applicable EASA Airworthiness Directives; no Failure Engine mode can create, schedule or randomize an AD or a Service Bulletin. See Real-world airworthiness.