ED-271A

ED-271A | Minimum Aviation System Performance Standards For Detect And Avoid Traffic For Remotely Piloted Aircraft Systems In Airspace Classes A-G Under IFR

WG-105
IAS
November 2024

This document functions as a MASPS for the Detect & Avoid [Traffic] system (DAA) for Remotely Piloted Aircraft Systems (RPAS) operating in certified category in class A to G airspaces under Instrument Flight Rules (IFR). This standard specifies a proportionate risk based standard for Detect & Avoid against conflicting traffic which will support a performance based regulation for non-segregated RPAS operation.
Revision A supersedes ED-271 ‘MASPS for Detect And Avoid [Traffic] for Remotely Piloted Aircraft Systems in Airspace Classes A-C under IFR’ (May 2022) which has been updated to expand from operations in airspace classes A-C to cover all airspace classes A-G. Main changes are:
– Updated alerting and guidance requirements for RWC,
– Assumed RP behaviour based on RWC alerting and guidance,
– Performance requirements for RWC,
– Harmonization with established ICAO Risk Ratios and Loss of Well Clear ratios.

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Previous Versions

Title

Date

ED-271 Corr 1 | MASPS for DAA (Traffic) for Remotely Piloted Aircraft Systems in Airspace Classes A-C under IFR
May, 2022
ED-271 | Minimum Aviation System Performance Standard for Detect and Avoid (Traffic) in Class A-C airspaces
May, 2022

Document History

ReferenceDateStatus
November 22, 2024latest
May 31, 2022historical
May 10, 2022historical
ER-006
July 2, 2015
historical
ER-017
June 24, 2018
latest
ER-016
March 20, 2018
latest
ER-019
October 8, 2018
latest
ED-73F
December 21, 2020
latest
ED-76B Corrigendum 1
December 19, 2024
latest