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The United Kingdom Infrared Telescope (UKIRT) Widefield Infrared Survey forFe$^+$ (UWIFE) is a 180 deg$^2$ imaging survey of the first Galactic quadrant(7$^{\circ}$ < l < 62$^{\circ}$; |b| < 1.5$^{\circ}$) using a narrow-bandfilter centered on the [Fe II] 1.644 {\mu}m emission line. The [Fe II] 1.644{\mu}m emission is a good tracer of dense, shock-excited gas, and the surveywill probe violent environments around stars: star-forming regions, evolvedstars, and supernova remnants, among others. The UWIFE survey is designed tocomplement the existing UKIRT Widefield Infrared Survey for H2 (UWISH2;Froebrich et al. 2011). The survey will also complement existing broad-bandsurveys. The observed images have a nominal 5{\sigma} detection limit of 18.7mag for point sources, with the median seeing of 0.83". For extended sources,we estimate surface brightness limit of 8.1 x 10$^{-20}$ W m$^{-2}$arcsec$^{-2}$ . In this paper, we present the overview and preliminary resultsof this survey.

UKIRT Widefield Infrared Survey for Fe$^+$