High Lift Case Study



As a consequence of a new engine option and weight variant, one of our major Aerospace OEM clients required updated analysis and certification of the high-lift structure (Flap and Tab). Specifically, support was required with static strength and F&DT (Fatigue and Damage Tolerance) justification on flap structures.

The work was part of a framework agreement with Assystem Technologies where the specialist engineering work was carried out from our offices in the Germany, UK and India, to ensure the quality whilst protecting the cost of the project deliverables.

The work was carried out over a duration of 18 months to a fixed price work package.


The project presented the team with numerous challenges, such as quality issues with the data supplied and the high volume of work required in challenging timescales. There were also issues with software access limiting certain analyses to certain sites.

However, by utilising our expertise in static strength, F&DT analysis and checking across Germany, India and the UK, we were able to provide a comprehensive engineering solution to our customer.

Throughout the project, integration and technical support was provided in Bremen by a team close to the customer. Within Assystem Technologies, the teams were identified by skill set to support individual deliverables and managed through regular progress reviews. The team was ramped up to 60 engineers to support the delivery schedule.

In total, we were able to deliver 43 fully approved Static and F&DT Justification Dossiers across; Inboard Flap, Outboard Flap, Carriages, Flap Tracks, Linkages and attachments, achieving certification through the relevant certification boards.


  • We delivered a managed solution to our customer, with liaison limited to progress reviews and technical escalations where a deviation from methodologies was required
  • Our reactivity and agility enabled full customer confidence in our technical capability and ability to deliver on time
  • With good knowledge of the customer’s methodologies and requirements, we were able to mitigate internal issues and accept additional requests from the client