| Johnson Field | |
| Faa: | 11G |
| Type: | Public |
| Owner: | 3 owners: Beverly Evans since 1989, Emily Widmar (family) 30+ yrs, and William Jackson since 2009[1] |
| City-Served: | Smiths Creek, Michigan |
| Elevation-F: | 630 |
| Elevation-M: | 192 |
| Coordinates: | 42.9211°N -82.5856°W |
| Pushpin Map: | USA Michigan#USA |
| Pushpin Relief: | yes |
| Pushpin Map Caption: | Location of airport in Michigan |
| Pushpin Label: | 11G |
| Pushpin Label Position: | left |
| R1-Number: | 7/25 |
| R1-Length-F: | 2,530 |
| R1-Length-M: | 771 |
| R1-Surface: | Turf |
| Stat1-Header: | Aircraft operations (2014) |
| Stat1-Data: | 50 |
| Stat2-Header: | Based aircraft (2017) |
| Stat2-Data: | 2 |
| Footnotes: | Source: Federal Aviation Administration[2] |
| Utc: | -5 |
| Utcs: | -4 |
Johnson Field is a privately owned, public use airport located one nautical mile (1.85 km) northeast of the central business district of Smiths Creek, in St. Clair County, Michigan, United States.
Johnson Field covers an area of 6acres at an elevation of 630 feet (192 m) above mean sea level. It has one runway, designated 7/25, with a turf surface and measuring 2,530 by 60 feet (771 x 18 m).
For the 12-month period ending December 31, 2014, the airport had 50 aircraft operations, an average of 4 per month: all general aviation. In January 2017, there were 2 aircraft based at this airport, both ultralights.