By the 1970s the first generation regional airliners were starting to wear out, but there had been little effort in producing new designs for this market. A varied list of light transport aircraft supplanted by newer and more modern 30 seat designs by Shorts with their Shorts 330 and 360 as well as other aircraft manufacturers, replaced and sometimes provided growth to established commuter markets. Additional development came to the regional airline industry with the arrival of some of the earlier De Havilland Canada types such as the Dash 7 delivered in 1978, but this was tailored more to the short-range and STOL (Short Take-Off and Landing) role than as a regional airliner. Feedback from the airlines was fairly consistent, and De Havilland responded with the Dash 8 in 1984, which had economic benefits over the earlier generation machines, and was faster and quieter as well.