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Government and Military Aviation

North America
Toll Free: 800.537.7002
Direct: +1 303.328.6994

Operations Services:
+44 1293 842 4000
Navigation Services:
+49 6102 5070

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Procedure Design


Identify opportunities for lowering instrument approach weather minima, avoiding noise-sensitive areas, reducing diversions and increasing capacity with our Airspace Master Plans.

To learn more, please download our Procedure and Airspace Design brochure.

Download our Required Navigation Performance brochure to learn more about End-to-End RNP Solutions.

Receive positive guidance for aircraft to support approach operations to the lowest Decision Height (DH) of any instrument approach procedure (IAP) with our Instrument Landing System (ILS).

  • ILS approaches combine the latest computer design technology and a full review of required obstacle clearances to produce IAPs to basic ILS Category I (CAT I) minimums Decision Height (DH) 200 Above Ground Level (AGL) and beyond
  • Supports the minimums associated with ILS CAT II and III
  • ILS approaches after study and design will typically have lower minimums and require special certification for operators, pilots, aircraft and airborne/ground equipment


  • Our ILS approach includes localizer, glide slope, outer marker, middle marker and approach lights.

Full Capability - Airspace feasibility study and IAP designs incorporate three essential components:

  • Aeronautical information of the locations and heights of both runway thresholds and landing zone elevation (approximately 950 feet beyond the threshold)
  • Locations and elevations of all electronic, ground based components
  • Full understanding of all terrain and obstacles in accordance to International Civil Aviation Organization (ICAO) Annex 14 or FAA Federal Aviation Regulation (FAR) Part 77 obstacle surfaces

Airspace Study and Design - Other ILS services we provide for airspace study and design:

  • Converging ILS approaches (runways with an angle between 15-100 degrees)
  • Dependent parallel approaches (runway separated by 2,500 feet minimum)
  • Independent parallel approaches (runways separated 4,300-9,000 feet)
  • Simultaneous close parallel approaches (runways separated 3,400-4,300 feet)


Reduce airspace separation, controlled flight into terrain (CFIT) occurrences and air carrier operational costs with our Required Navigation Performance (RNP) approach and departure procedure design services.


  • Project planning
  • Procedure design and assessment
  • Operational application packages
  • Operation implementation and validation
  • Operational approval

Improve Safety:

  • Enhance your air carrier operational safety with our aircraft-specific public-and performance-based navigation procedures.

Terrain Challenge Solutions:

  • Qualified aircraft can now safely land at the world’s most terrain-challenged airport located at Linzhi, Tibet, because of our state of the art Required Navigation Performance (RNP) procedure design.

Services Provided:


  • Airport Survey
  • ATC Needs
  • Environmental Survey/Analysis
  • Business Case Analysis
  • Global Terrain Data and Analysis
  • Global Obstacle Data and Analysis
  • High Resolution Airport Map Data and Analysis


  • Procedure Design
  • Procedure Maintenance
  • Gold Standard NavData Check
  • Regulatory Training


  • Chart Production
  • Tailored Chart Production
  • Electronic Data Driven Charting
  • NavData Production
  • Data Distribution
  • Flight Planning Integration


To learn more, please download our Required Navigation Performance brochure.

Gain flexibility and precision by replacing your ground-based navigational system with Area Navigation (RNAV). Support aircraft operations on any desired course within the coverage of your station referenced navigation signals (or within the limits of your self-containing system capacity) by using our RNAV method of navigation.


  • Pilots can perform onboard position determination from the satellite data
  • End-to-end implementation of RNAV navigation for all levels of organizations and operators
  • Select one or all services of our 11-step plan
  • Choose from two standard International Civil Aviation Organization (ICAO)/ Federal Aviation Administration (FAA) compliant services: RNAV Global Positioning System or RNAV Required Navigation Performance

Precise Navigation:

  • Increase accuracy with Flight Management System (FMS) and Global Positioning System (GPS) navigation
  • These systems navigate with reference to geographic positions called "waypoints" (WP) specified in latitude/longitude
  • Receive a more precise picture than the radial and distance measuring equipment (DME) reading from a specific ground-based navigation aid
  • Requires no ground-based navigation aid

RNAV (GPS) Solution:

  • Reduce resources required for Instrument Flight Rules (IFR) approach and departure procedures.


Effectively address environmental noise and/or airspace limitation issues with our Charted Visual Flight Procedure (CVFP). To assist with noise issues, airports propose arrival noise abatement flight tracks. We design and publish these procedures part of an Instrument Flight Rules (IFR) flight plan to be used during Visual Flight Rules/Visual Meteorological conditions .


  • Supports additions of aviation noise abatement polices and noise control plans
  • Allows more precise ground tracking of aircraft to assist with noise abatement
  • Increases airport and runway capacity by allowing reduced clearance responsibilities by ATC operations during times of visual flight rule conditions

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