ETSO-C144a

PASSIVE AIRBORNE GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) ANTENNA

1 Applicability

This ETSO gives the requirements which new models of passive airborne Global Navigation Satellite System (GNSS) Antenna that are manufactured on or after the date of this ETSO must meet in order to be identified with applicable ETSO marking.

2 Procedures

- 2.1 General

Applicable procedures are detailed in CS-ETSO Subpart A.

- 2.2 Specific

None.

3 Technical Conditions

- 3.1 Basic

3.1.1 Minimum Performance Standard

Standards set forth in RTCA document DO228, 'Minimum Operational Performance Standards for Global Navigation Satellite System (GNSS) Airborne Antenna Equipment ' dated October 20, 1995, Section 2 (excluding Sections 2.2.2 and 2.4.3) and Change 1 to DO-228.

Note 1: For Active Airborne Global Navigation Satellite System (GNSS) Antenna, see ETSO-C190

Note 2: The ETSO standards herein apply to equipment intended to receive and provide signals to a global positioning system (GPS)/satellite based augmentation system (SBAS) operational Class 1, or GPS, sensor or system that will provide flight path deviation commands to the pilot or autopilot. These standards do not address the use of the signals received through this antenna for other applications. GPS/SBAS operational classes are defined in RTCA document DO229D 'Minimum Operational Performance Standards for Global Positioning System/Wide Area Augmentation System Airborne Equipment', dated December 13, 2006, Section 1.4.2.

3.1.2 Environmental Standard

See CS-ETSO Subpart A paragraph 2.1.

- 3.1.3 Computer Software

See CS-ETSO Subpart A paragraph 2.2.

- 3.1.4 Electronic Hardware Qualification

See CS-ETSO Subpart A paragraph 2.3.

- 3.2 Specific

- 3.2.1 Failure Condition Classification

See CS-ETSO Subpart A paragraph 2.4

Failure of the function defined in paragraph 3.1.1 of this ETSO has been determined

to be a major failure condition.

- 4 Marking

- 4.1 General

Marking is detailed in CS-ETSO Subpart A paragraph 1.2.

- 4.2 Specific

None

5 Availability of Referenced Document

See CS-ETSO Subpart A paragraph 3.

[Amdt ETSO/6]