Dear Transport Accident Investigation Commission,

In Aviation inquiry AO-2019-003 you stated at 3.44;

'The Commission has investigated previous accidents where ELTs failed to operate as designed. Following an accident in 2011 the Commission made two recommendations to the CAA on the matter.'

at AO-2019-003 9.8 you stated;

'Between 26 March and 6 April 2021, the CAA provided an update on activities relating to the recommendations referred to in paragraphs 3.36 and 3.37, ELT reliability data following fatal accidents since 2011 and other safety initiatives. 9.9. On 28 April 2021 the Commission approved a draft report for circulation to five interested persons for their comment. The Commission received three responses, while the remaining two advised that they had no comments to make. As a result of the responses, further enquiries were made of Airways New Zealand, the CAA and Air Services Australia. Changes have been incorporated in this final report as a result.'

at AO-2019-003 9.9 you stated;

'On 28 April 2021 the Commission approved a draft report for circulation to five interested persons for their comment. The Commission received three responses, while the remaining two advised that they had no comments to make. As a result of the responses, further enquiries were made of Airways New Zealand, the CAA and Air Services Australia. Changes have been incorporated in this final report as a result.'

Could TAIC please provide;

The total number of aircraft of any and all types involved in an incident/accident where the ELT has failed to 'emit an emergency locating signal as intended' from the date (2011) referred to but undisclosed with regards the incident at AO-2019-003 3.44 below;

'The Commission has investigated previous accidents where ELTs failed to operate as
designed. Following an accident in 2011 the Commission made two recommendations
to the CAA on the matter'

Could TAIC also please provide a copy of the 'final report' referred to at AO-2019-003 9.9;

''On 28 April 2021 the Commission approved a draft report for circulation to five interested persons for their comment. The Commission received three responses, while the remaining two advised that they had no comments to make. As a result of the responses, further enquiries were made of Airways New Zealand, the CAA and Air Services Australia. Changes have been incorporated in this final report as a result.'

Yours faithfully,

Grayson Ottaway