Instrument Flight Procedure Design

As a UK CAA Approved Procedure Design Organisation (APDO), Osprey is authorised to design both conventional and satellite based Instrument Flight Procedures (IFP).

Instrument Flight Procedure (IFP) design covers the planning of routes used by pilots and air traffic control from take-off to landing, and is a complex and highly regulated process. All IFP design must be undertaken by an approved Procedure Designer that is authorised by the relevant State. In the UK, all IFP design must be undertaken in accordance with CAP785.

Our highly experienced team of Procedure Designers can support you in the following areas:

IFP Design & Feasibility Studies

We assist Air Navigation Services Providers, Aerodromes and Aircraft Operators with the planning and design of flight procedures based on both conventional and satellite-based navigation, in accordance with CAA standards.

We can also conduct feasibility studies to assess the cost and benefits of new flight procedures, or optimise existing procedures for efficiency and to assess their impact on the environment.

5-Yearly Reviews

Licenced Airports & Aerodromes are responsible for ensuring that all published IFP’s are reviewed as a minimum, every five years.   Our approach is to work closely with our clients to discuss the existing published IFP’s to ensure that they are meeting current needs, and will continue to do so for the next five years. The ongoing review and safeguarding of IFP’s can be a time consuming, and sometimes costly process (but lower than for initial designs), so our aim is to ensure that the published IFP’s offer the best and most effective solutions for both the airport and their users. In this way we can assist in significantly reducing the cost of subsequent reviews.

IFP Safeguarding

Licenced Airports ensure safe operations in the vicinity of the airport by minimising, as far as practicable, any penetration of the Obstacle Limitation Surfaces (OLS).   Whilst the OLS offers vital protection to aircraft against new and existing developments, they do not ensure that IFP’s remain unaffected by such developments. It is vital that airports are made aware of any new development that may require an increase to the published Obstacle Clearance altitude (OCA).

In the UK, such IFP safeguarding studies can only be undertaken by a CAA Approved Procedure Designer working within an audited and approved Quality Assurance structure. Osprey can assist airports to identify critical areas outside of the OLS in which Local Planning Authorities (LPA’s) are made aware that any new structures will require an assessment against the published IFP’s. Overlays can be made available to LPA’s in a format that enables them to quickly assess any proposed structures and advise the airport of any potential impacts. We can also provide Airports with IFP Safeguarding Mapping that quickly enables their Safeguarding teams to identify those areas that are particularly sensitive to new developments that may affect published IFP’s.

Contact us today: We’d be delighted to speak without commitment about how we may be able to help you.


Liam Clarke

Team Leader - Instrument Flight Procedure Design View Profile

Richie Hinchcliffe

Business Development Manager View Profile

Sam Shuttlewood

Instrument Flight Procedure Designer View Profile

Chris Latus

Instrument Flight Procedure Designer View Profile

Ryan Evason

Instrument Flight Procedure Designer View Profile

Daniel Figueras Gomez

Instrument Flight Procedure Designer View Profile

Sophie Davison

Instrument Flight Procedure Designer View Profile

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