Deviation #109 ETSO-C147#7 ETSO-C147#8 TAS ETSO-C118#2 ETSO-C118#3 TCAS I ETSO-C166bA1#1 - Extended Squitter ADS-B and TIS-B Equipment Operating on the Radio Frequency of 1090 MHz

Allows the use of an estimated height above ground instead of the radar altimeter height in some cases, when no radar altimeter is installed. Allows the use of EUROCAE ED-73E / RTCA DO-181E instead of EUROCAE ED-73C /RTCA DO-181D.
Starting date of initial consultation

for an ETSO approval for CS-ETSO applicable to Traffic Advisory System (TAS) Airborne Equipment (ETSOC147), Traffic Alert and Collision Avoidance System (TCAS) Airborne Equipment, TCAS I (ETSO-C118) and Extended Squitter Automatic Dependent Surveillance – Broadcast (ADS-B) and Traffic Information Services (TIS-B) Equipment Operating on the Radio Frequency of 1090 MHz (ETSO-C166bA1).

Comments on these deviations are invited and should be sent by mail or electronic mail (preferred means), before the indicated deadline date, to: