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FAQ n.119358

What is the deadline to equip my aircraft with a Mode S transponder?

Answer

Operators operating as general air traffic under instrument flight rules are required to equip their aircraft with Mode S transponders, in accordance with the SPI IR requirements by the following deadlines: 

Aircraft with a first CofA issued prior to 7 June 1995:

  • Aircraft with a first CofA issued prior to 7 June 1995, have to be:
    • ELS capable prior to 7 December 2020

Aircraft with a first CofA issued on or after 7 June 1995:

  • Aircraft with a MTOM of 5700 kg or less  and with a maximum cruising TAS 250 kts or less have to be: 
    • ELS capable prior to 7 December 2020
  • Rotorcraft (e.g. helicopters) with a MTOM exceeding 5700 kg or with a maximum cruising TAS greater than 250 kts have to be:
    • ELS capable prior to 7 December 2020, 
      and 
    • ADS-B out capable prior to 7 December 2020 or 7 June 2023 (where there is a retrofit programme in place prior to 7 December 2020)
  • Fixed wing aircraft (aeroplanes) with a MTOM exceeding 5700 kg or with a maximum cruising TAS greater than 250 kts have to be :
    • ELS capable prior to 7 December 2020, 
      and 
    • ADS-B out capable prior to 7 December 2020 or 7 June 2023 (where there is a retrofit programme in place prior to 7 December 2020) 
      and 
    • EHS capable prior to 7 December 2020 or 7 June 2023 (where there is a retrofit programme in place prior to 7 December 2020)

CofA means certificate of airworthiness.
ELS means Mode S elementary surveillance capability.
EHS means Mode S enhanced surveillance capability.
MTOM means maximum certified take-off mass.
TAS means true air speed.

Further information can be found in the AMC and GM to the SPI IR.

Last updated
02/11/2020

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