Guidance

BowTie in the defence air environment

BowTie is widely used across the defence air environment (DAE) as a tool for risk management, with the MAA providing support to all DAE users.

Documents

Details

BowTie is a risk assessment and recording system comprising of 2 elements:

  • BowTieXP
  • BowTieServer

BowTieXP is a desktop client that can be ordered from the defence digital service catalogue and is used to create and edit BowTie diagrams.

BowTieServer is a cloud-based storage environment with a webpage front end and is provided by the DSA. It is used by the aviation duty holder chain as a repository for BowTie diagrams. BowTieServer accounts are for users that require read only access, or only need to review BowTie not edit them.

Updates to this page

Published 2 December 2014
Last updated 1 May 2024 show all updates
  1. BowTie in the defence air environment page information updated.

  2. Two new diagrams have been added for the Controlled flight into terrain (CFIT) bow tie, and a new one for the Runway incursion bow tie. A brand new bow tie for Runway Excursion has been added.

  3. Series 4: Runway incursion bowtie has been added

  4. First published.

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