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Loss of Communications - ATS Equipment Failure
2.18.2 State the occasions when TIBA (traffic information broadcasts by aircraft) might be introduced.
- Traffic Information Broadcast by Aircraft –TIBA.
- Full details about TIBA are given in AIPNZ Volume 4 ENR, Section 1.8.
- TIBA will be introduced if a disruption to ATC occurs and pilots will then need to provide their own separation.
- If the disruption is expected then information regarding its broadcast and times will be in the NOTAM.
2.18.4 Detail the TIBA procedures with respect to:
(a) VHF frequencies to be used;
Pilots are to follow frequency instructions issued by ATS. If not instructed by ATS and there is a complete ATS communication failure, refer to the TIBA Frequency Map — North Island (Figure ENR 1.15-1) and TIBA Frequency Map — South Island (Figure ENR 1.15-2).
The purpose of these maps is to allow:
(a) The distribution of relevant traffic to relevant frequencies;
(b) A higher probability of contacting a ground based unit for assistance;
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