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Mode S in the London Terminal Control Centre (pdf)(144kb)(NATS) In December 2005 NATS introduced the next generation of SSR technology called Mode Select (Mode S) into the LTCC. The purpose of this article is to give a short insight into Mode S, its development, functions, and its operational introduction.

 

Guidance for the Operational Introduction of SSR Mode-S, Volume 1, Elementary Surveillance (pdf)(480kb)(EUROCONTROL) The purpose of this document is to provide guidance for the operational introduction of Mode S Elementary Surveillance in the airspace that has been so notified. The contents should be seen as a practical explanation and exposition of ATS based on SSR Mode S in the context of the ECAC Surveillance Strategy.

 

Are Aeronautical Charts Required When Using Navigational Databases? (pdf)(41kb)(JEPP) As GPS navigation, flight management systems, computer flight maps, and computer flight planning system have gained acceptance, avionics companies and software developers have added more and more features. Many of the systems available today make it all too easy to forget that paper enroute, departure, arrival and approach charts are still required and necessary for flight.

 

Oceanic Errors Safety Bulletin OESB-01-06 (pdf)(37kb)(NATPCO) ICAO North Atlantic Working Groups composed of industry, ATC and state regulators have noted repetitive oceanic errors. These include Gross Navigation Errors (25nm or more), Large Height Deviations (300 feet or more) and Erosion of Longitudinal Separation. Operators are reminded that the safety of the airspace is constantly monitored and its performance is reviewed. Thus, repeated errors present a recurring hazard and pose a threat to overall flight safety.

 

New In Flight Contingency Procedures NAT MNPS (pdf)(50kb)(NAV CANADA)  An amendment to the international standards and recommended practices, as detailed in ICAO’s Procedures for Air Navigation Services, Air Traffic Management (PANS–ATM Doc 4444), became effective on November 24, 2005. The portion of the PANS–ATM amendment relating to contingency procedures will result in the NAT Regional Supplementary Procedures (NAT SUPPS, Doc 7030) being amended effective February 16, 2006. Until February 16, 2006, pilots should follow the contingency procedures as detailed in the NAT SUPPS, Part 1, "Rules of the Air, Air Traffic Services and Search and Rescue." As of February 16, 2006, some of the NAT SUPPS contingency procedures will be replaced by the PANS–ATM procedures.

 

 

 

Correct application of the strategic lateral offset procedures (pdf)(85kb)(ICAO) The North Atlantic Systems Planning Group (NAT SPG), in its effort to reduce the risk in the NAT Region, had agreed that the implementation of the strategic lateral offset procedure was required. However, an initial analysis of the use of strategic lateral offsets has shown that few flight crews have been applying the procedure and the expected risk reduction has not been achieved. It was determined that this was probably because many flight crews had not been made aware of the procedure or the benefit of applying the procedure.

 

North Atlantic MNPS Airspace Operations   (pdf)(1.6MB)(Edition 2005)(NATSPG)   This document Is an updated version of the guidance material first published in 1979 for the information of aircrews intending to operate in North Atlantic MNPS Airspace. It will also be helpful to flight dispatchers.

 

Guidance and Information Material concerning Air Navigation in the North Atlantic Region   (pdf)(331kb)(ICAO & NAO)   The guidance and information material contained here concerns flight operations in the NAT Region. It deals primarily with approval for operations in the NAT Region and with the planning and management of such operations. It is addressed mainly to State aviation authorities/administrations and to Air Traffic Services (ATS) Provider States1and Operators.

 

NAT Region ATM Concept of Operations   (pdf)(210kb)(NATSPG)   It describes the current and anticipated future operations for the North Atlantic Region.

 

Training considerations for using TCAS II Version 6.04 and Version 7 in an RVSM Airspace (pdf)(250kb)(FAA) This material was originally issued on October 11, 1996. It has been used since that time to provide guidance on TCAS II (Version 6.04) operation in an RVSM environment. This update (3/19/02) makes minor revisions throughout the document that reflect the use of TCAS II (Version 7).

More about ACAS: http://www.eurocontrol.int/msa/public/standard_page/ACAS_Overview.html

 

Getting to grips with modern navigation. Issue 5    (pdf)(64.1MB)(AIRBUS)   The purpose of this brochure is to provide Airbus aircraft Operators with the agreed interpretations of the currently applicable RNP and RVSM and RNAV regulations.

 

Getting to grips with modern navigation. Issue 4    (pdf)(4.78MB)(AIRBUS)   The purpose of this brochure is to provide Airbus aircraft Operators with the agreed interpretations of the currently applicable RNP and RVSM and RNAV regulations.

 

Getting to grips with ETOPS. Issue 5   (pdf)(18.9MB)(AIRBUS)   The purpose of this brochure is to provide Airbus operators with:

• the currently applicable ETOPS regulations, as published in the various relevant circulars,

• the agreed interpretations thereto, which have been defined in the frame of the JAA/FAA Harmonization Committee,

• the latest amendments thereto, which have also been defined in the frame of the JAA/FAA Harmonization Committee.

 

Getting to grips with FANS, a flight operations view. Issue 2   (pdf)(9.7MB)(AIRBUS)   The purpose of this brochure is to provide Airbus Industrie aircraft operators with the agreed interpretations of the currently applicable CNS/ATM (i.e. FANS) regulations.

 

Getting to grips with FANS, a flight operations view    (pdf)(8.44MB)(AIRBUS)   The purpose of this brochure is to provide Airbus Industrie aircraft operators with the agreed interpretations of the currently applicable CNS/ATM (i.e. FANS) regulations.

 

New ETOPS Regulations   (pdf)(1.3MB)(BOEING)  On December 16, 2002, the Aviation Rulemaking. Advisory Committee (ARAC) — an advisory committee of the U.S. Federal Aviation Administration (FAA) — presented to the FAA its findings and recommendations on extended operations (i.e., operations on routes with the potential for an extended-duration diversion). Initiated by the FAA tasking statement of June 14, 2000, this proposed U.S. rulemaking marks the culmination of more than two years of global collaboration to review current requirements for extended-range operations with two-engine airplanes (ETOPS) and propose updated and standardized requirements that will embrace all extended-diversion-time operations, not just those performed with two-engine airplanes.

 

CAA CAP 513 ETOPS   (pdf)(228kb)(UK CAA)   This Civil Aviation Publication (CAP) states an acceptable means (but not necessarily the only means) by which approval may be given for UK-registered twin-engine airplanes to operate over a route that contains a point further than one hour's flying time (in still air) at the normal one-engine-inoperative cruise speed from an adequate aerodrome.

Lateral and Vertical Navigation (pdf)(682kb)(BOEING)   Boeing has developed flight deck displays that enhance the ability of the flight crew to monitor the navigational state of the airplane. These lateral navigation (LNAV) and vertical navigation (VNAV) deviation scales provide the flight crew with an improved indication of current position relative to the desired track and the available deviation allowance. Understanding how the new 737-600/-700/-800/-900 flight deck displays take full advantage of airplane system capabilities requires a discussion of the following:

1-Required and actual navigation performance.

2-Budget for technical error.

3-LNAV and VNAV deviation scales.

 

 

Polar Route Operations (pdf)(2.81MB)(BOEING)  Commercial airlines were flying north of the Arctic Circle before the jet age. Today, commercial traffic routinely flies in the region on routes between Europe and the West Coast of North America.

 

ANP Algorithms (pdf)(682kb)(BOEING)   Various manufacturers of flight management computers (FMC) use different mathematical equations, or algorithms, to calculate actual navigation performance (ANP).

 

Required Navigation Performance (pdf)(180kb)(BOEING)  Required navigation performance (RNP) extends the capabilities of modern airplane navigation systems by providing real-time estimates of navigation uncertainty, assurance of performance through its containment concepts, and features that ensure the repeatability and predictability of airplane navigation. This precise characterization of airplane performance is key to designing more efficient airspace routes and procedures.

 

The Harmonization of Information for Pilots on Charts and Avionics   (pdf)(515kb)(JEPP)   This paper is a team effort by many Jeppesen staff members. The paper in its current form is the same document that was presented to the Flight Safety Foundation International Aviation Safety Seminar in New Orleans, LA in November 2000 and to the Flight Safety Foundation Corporate Safety Seminar in Orlando, FL in April 2001.

 

UK Differences from ICAO Standards, Recommended Practices and Procedures   (pdf)(460kb)(UK AIP)   Personnel Licensing, Rules of the Air, Meteorological Service for International Air Navigation, Aeronautical Charts, Operation of Aircraft, Aeronautical Telecommunications, Air Traffic Services (Air Traffic Service, Flight Information Service and Alerting Service), Aeronautical Information Service, UK Interpretation Differences, UK Definition for Terms used by ICAO.

 

Services to Aircraft Outside Controlled Airspace    (pdf)(25kb)(UK AIS)   RIS or RAS? Explains Air Traffic Services (ATS) in the UK FIR outside controlled airspace.

 

Estimated Off-Block Time (EOBT) Modification of EOBT   (pdf)(247kb)(UK AIS)

 

Departure Slot (CTOT) Compliance   (pdf)(13kb)(UK AIS)

 

European B-RNAV Contingency Procedures    (pdf)(11kb)(UK AIS)

 
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