Document ID: chunk:federal_register_of_legislation:F2018C00889:front:0:p3
Version: federal_register_of_legislation:F2018C00889
Segment Type: other
Provision Reference: 
Character Range: 6681–10438

equipment requirements that the aircraft must satisfy;
                                          (c)     aircraft navigation system functional and performance requirements that the aircraft must satisfy;
                                          (d)     aircraft navigation equipment installation requirements that the aircraft must satisfy.
Alternate Means of Navigation          The use of information from an area navigation system in lieu of that from conventional navigation aids and navigation equipment that is installed, operational and compatible with conventional navigation aids.
ARINC 424 Path Terminator              Aeronautical Radio Incorporated Specification 424 format for coding airborne navigation databases.
Augmentation Systems                   Augmentation systems are GNSS supplemental systems used to augment core satellite constellation signals to meet safety and reliability requirements. These systems may include ranging, integrity or differential elements in any combination. There are 3 categories of augmentation systems:

                                       Aircraft-based Augmentation Systems (ABAS);
                                       Ground-based Augmentation Systems (GBAS);
                                       Space-based Augmentation Systems (SBAS).

                                       Within each category there are multiple independent systems.
Cross-track Error/Deviation            The perpendicular distance between the planned flight path of an aircraft and the computed aircraft position as displayed by the aircraft's navigation instruments.

                                       Note   This term is also referred to as "lateral deviation".
(E)TSO                                 European Technical Standard Order and/or FAA Technical Standard Order.

                                       Note   Both will have the same reference number.
Flight Day                             A 24 hour period (from midnight to midnight) either Universal Coordinated Time (UCT) or local time, as established by the operator, during which at least 1 flight is initiated for the affected aircraft.
Letter of Acceptance (LOA)             A letter of acceptance issued by a regulatory authority to a data supplier that has demonstrated compliance with the requirements of RTCA DO-200A/EUROCAE ED-76 Standards for Processing Aeronautical Data. A LOA may be a Type 1 LOA or a Type 2 LOA.
Type 1 LOA                             Provides recognition of a data supplier's compliance with RTCA DO-200A/EUROCAE ED-76 Standards for Processing Aeronautical Data with no identified compatibility with an aircraft system.
Type 2 LOA                             Provides recognition of a data supplier's compliance with RTCA DO-200A/EUROCAE ED-76 Standards for Processing Aeronautical Data and identifies the compatibility of its delivered data with a particular avionic system or avionic systems.
Long range navigation system           A navigation system comprising an INS, an IRS or a GNSS capable of use in oceanic or remote airspace.
Navigation specification               A set of aircraft and aircrew requirements needed to support PBN operations within a defined airspace.

                                       Note   There are 2 kinds of navigation specification: RNAV and RNP (see Definitions).
Operator                               The individual or entity responsible for flight operation of the aircraft. This might or might not be the registered operator for maintenance purposes.
Path Terminator                        A specific type of flight path along a segment of a route or procedure along with a specific type of termination of that flight path, as assigned to all area navigation routes, SID, STAR