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Microlight » Air Law » Transponders

TRANSPONDERS

Requirements for the Operation of Transponders 

91.247 Use of transponder and altitude reporting equipment

When operating in transponder mandatory airspace within the New Zealand FIR, the pilot must operate the transponder unless otherwise authorised or instructed by ATC.

The transponder must operate using:

  • Mode A and Mode C; or

  • Mode S, if fitted and allocated a unique Mode S code; or

  • ADS-B, if the aircraft is fitted with an approved ADS-B system.

 

Transponder codes

The pilot must set the transponder to:

  • the code assigned by ATC; or

  • the appropriate standard code if ATC has not assigned one.

 

For abnormal or emergency situations, use the appropriate emergency code:

  • 7700 — emergency

  • 7600 — radio communication failure

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