| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | 4OA1 |
| Airport Status: | Operational |
| Longitude/Latitude: | 082-34-40.1000W/39-43-05.4000N -82.577806/39.718167 (Estimated) |
| Elevation: | 893 ft / 272.19 m (Estimated) |
| Land: | 0 acres |
| From nearest city: | 0 nautical miles of Lancaster, OH |
| Location: | Fairfield County, OH |
| Magnetic Variation: | () |
| Ownership: | Privately owned |
| Owner: | Fairfield Medical Center |
| Address: | 401 N Ewing St Lancaster, OH 43130 |
| Phone number: | 740-687-8124 |
| Manager: | Steve Anderson |
| Address: | 401 N Ewing St Lancaster, OH 43130 |
| Phone number: | 740-687-8124 |
| Airport Use: | Private |
| Control Tower: | No |
| Lighting Schedule: | SS-SR |
| Sectional chart: | Cincinnati |
| Region: | AGL - Great Lakes |
| Boundary ARTCC: | ZID - Indianapolis |
| Responsible ARTCC: | ZID - Indianapolis |
| Tie-in FSS: | DAY - Dayton |
| FSS Toll Free: | 1-800-WX-BRIEF |
| Dimension: | 50 x 50 ft / 15.2 x 15.2 m |
| Surface: | ROOF-TOP, |
| Runway H1 | Runway | |
|---|---|---|
| Traffic Pattern: | Left | Left |
| PRVDD PVT USE ONLY; AREA IS MKD; APCHS ARE FLOWN FROM 35 TO 315 DEG CLKWS; DEPS ATR MADE BETWEEN 215 AND 135 DEG CLKWS. |