D. —1.

DannevirJce. —This field of 75 acres has been relevelled and returfed, and was practically completed during the year. Mohaka. —The construction of an emergency landing-field was undertaken at Mohaka, and, of the 56 acres of the field, 26 acres have been relevelled. Wellington District. —Preliminary investigations were undertaken for sites in the following localities: Paraparaumu, Waikanae, Bulls, Tokomaru, and Porirua. Engineering surveys were carried out at Martinborough and Levin. Construction work has been in hand on the following aerodromes : — Masterton. —This field has now been completely relevelled and finished over 66 acres. Palmerston North. —Extensive drainage and relevelling operations were in hand during the period, and the work is well forward : 104,000 cubic yards have been excavated from the flying-field, and 8,650 cubic yards from drains ; 54 acres have been returfed. and completed, while 32,560 linear feet of tile drains were placed and back-filled. Feilding. —39 acres of this aerodrome have been completed during the period, and extensive ring-draining and internal drainage has been carried out. A total of 15,900 linear feet of tile drains was placed and back-filled. Rongotai, Wellington. —The development of this aerodrome has been proceeded with under the direction of the Wellington City Council. Nelson District. —Preliminary investigations for landing-ground sites have been undertaken in the following localities : Takaka, Tadmor, Collingwood, Seddon, Ward, Cape Campbell, Ivekerangu, Clarence River, and Whangapeka. Engineering surveys have been carried out at Nelson, Cape Campbell, Kekerangu, Clarence River, and Takaka. Development proposals for an airport on the Quarantine Reserve site at Nelson are nearing completion. Construction work has been undertaken on the following fields : — Blenheim. —The development of an area of approximately 140 acres has been put in hand, and approximately 80 acres have been completed. Very heavy earthwork has been involved. Motueka. —Approximately 50 acres of the 70 acres comprising this aerodrome were completed during the year. Development to provide landing-grounds has also been commenced at Cape Campbell and at Takaka, while an emergency landing has been provided at Kekerangu. Christchurch-Canterbury District. —Preliminary investigations have been undertaken for sites in the following localities : Hapuku River Mouth, Kaikoura, Amuri Bluff, Conway River Mouth, Hurunui River Mouth, Motunau Island, Washbourne, Fairlie, Lake Pukaki, Simons Pass, Waimate, and Waitaki Hydro, and surveys were completed of the first six. Construction proposals and plans were prepared for the development of an extended aerodrome at Saltwater Creek, Timaru. Construction work was completed to an initial stage of development on the Hermitage landingground at Mount Cook. Greymouth-Westlamd District.—Preliminary investigations were undertaken for sites in the following localities : Karamea, Reefton, Ikamatua, Karangarua, Landsborough, and Arawata. Engineering surveys have been carried out at Mussel Point, Upper Okuru, Haast, Mahitahi, Karangarua, and Inchbonnie. Construction work has been in hand on the following aerodromes and landing-grounds : —■ West port. —The construction of the landing-strip system has been completed and surfacing is in hand. Extensive protection work and marram-grass and lupin planting have been necessary to cope with wave and wind action. Further extensions are being investigated. Greymouth. —Extensive earthwork and surfacing with soil has been carried out on this aerodrome, which is now nearing completion. Extensions are being investigated. Hokitika. —The development of this field has involved the shifting of a large quantity of earthwork and extensive stream-diversions and stop-banking ; 45 acres were finished off during the period and the work is now nearing completion. Other landing fields under construction during the year were —Inchbonnie, Ross, Waiho, Weheka, Haast, Upper Okuru, and Mussel Point, and, at all, the work is well forward. Landing-grounds were also established at Landsborough and Arawata, but little construction work was involved. Dunedin-Otago District. —Preliminary investigations were undertaken for sites in the following localities: Dunedin Foreshore, Oamaru, Queenstown, Ranfurly, Waikouaiti, Balclutha, Heriot, Waianakarua, Middlemarclx, Alexandra, and Nevis. Engineering surveys were carried out at Balclutha, Waikouaiti (two sites), and Taieri. Construction work has been in hand during the year at Taieri Aerodrome, and 59 acres have been completed and returfed during the year. InvercargiU-Southland District. —Preliminary investigations were undertaken for sites in the following localities : Pembroke, Te Anau, Eglinton Valley, Gore, Stewart Island, and for various temporary landing-fields. Engineering surveys were carred out at Gore and Invercargill. Construction work was completed during the year on the new aerodrome at Invercargill ; 77 acres were regraded and levelled, but the field still requires draining and grassing.

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