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About us


Smith’s Tech-Air NZ

Fully licensed engineers operating to the highest standards of the New Zealand Civil Aviation Authority maintain all types from the small “home-built” aircraft to airline aircraft.


Smith’s Trans-Air NZ

Fully certified to the high standards of the New Zealand Civil Aviation Authority, Smith’s Trans-Air NZ is a certified Part 135 Operator.

Gilly Smith

‘Chief Administrator’.  

Gilly handles the massive task of keeping all of the ‘books’ in order – not only the finances, but the log books and paperwork which are so important in this business in order to pass the scrutiny of the Civil Aviation Authority who regularly Audit aviation businesses.  Gilly is a fully qualified Aeronautical Engineer in Maintenance Control and the Chief Executive Officer of Smith’s Trans Air NZ and is also a pilot.

Stanfield Smith

Stanfield started flying de Havilland Tiger Moths when he was 16, rapidly gaining his PPL qualification.  This cemented a lifelong interest in de Havilland aircraft of which he is now regarded as an aficionado.  He joined the National Airways Corporation as an apprentice, and on completion of his apprenticeship he was a qualified licensed engineer of both airframes and engines.

Stanfield then went on to join TEAL (Tasman Empire Airways Ltd, which became Air New Zealand), as a Flight Engineer on Electras and subsequently went on to fly in this capacity on DC8’s, DC10’s, and Boeing 747’s.

He set up Smith’s Tech-Air NZ in the 1960’s.  At first, based at Ardmore Airport and moved the operation to Dairy Flat Airfield (now North Shore Airfield) in the early 1970’s.

Stanfield has gained a worldwide reputation and is acknowledged as an expert on aircraft engineering and for his work as a vintage aircraft restorer.  He is a founder member of the NZ Warbirds Association and of the AACA (now SAA).


  • Licensed Aircraft Maintenance Engineer
  • Licensed I.A.
  • Flight Engineer
  • Commercial Pilot
  • “B” Cat Flight Instructor