---
title: "ETSO-2C93b — CS-ETSO · Avioverse"
description: "Airborne Interim Standard Microwave Landing System Converter Equipment 1 Applicability This ETSO gives the requirements which airborne interim standard…"
url: "https://avioverse.aero/regulations/easa/cs-etso/subpart-b/etso-2c93b"
---

# ETSO-2C93b

European Technical Standard Orders (CS-ETSO) · CS-ETSO · EAR revision 1 Oct 2026

IR Implementing rule

## ETSO-2C93b

Airborne Interim Standard Microwave Landing System Converter Equipment

1 Applicability

This ETSO gives the requirements which airborne interim standard microwave landing system converter equipment that is manufactured on or after the date of this ETSO must meet, in order to be identified with the 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 the EUROCAE document ED 36A, „MOPS for Microwave Landing System (MLS) Airborne Receiving Equipment“, dated February 1995.

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

3.2 Specific

None.

4 Marking

4.1 General

Marking is detailed in CS-ETSO Subpart A.

4.2 Specific

None.

5 Availability of Referenced Document

See CS-ETSO Subpart A paragraph 3.

IR · ETSO-2C93b — CS-ETSO · ED Decision 2003/10/RM · CS-ETSO Easy Access Rules · EAR revision 1 Oct 2026

[All rules in SUBPART B – LIST OF ETSOs](https://avioverse.aero/regulations/easa/cs-etso/subpart-b)

Consolidated from the EASA Easy Access Rules (revision 1 Oct 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.