Airport information
- FAA LID
- OI91
- Coordinates
- 39.7797, -83.9092
- Elevation
- 990 ft MSL
- Magnetic variation
- 4W
- Sectional chart
- CINCINNATI
- Airport use
- Private
- Control tower
- No
- ARTCC
- INDIANAPOLIS (ZID)
- Flight service (FSS)
- DAYTON
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1994/08
- Distance from city
- 2 SW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:35 AM | 09:35Z |
| Sunrise | 06:08 AM | 10:08Z |
| Sunset | 09:07 PM | 01:07Z |
| Evening civil twilight Loggable night begins | 09:40 PM | 01:40Z |
Plan a flight from OI91
Traffic pattern
- Landing
- Rwy 01
- Pattern
- left (turns left)
- TPA
- 2,000 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 01 at 2,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 01/19
1,600 ft × 60 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 80 ft
- Displaced threshold
- 200 ft
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Road, 15 ft
- Displaced threshold
- 300 ft
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 1,600 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| SGH · Springfield | VOR-DME | 113.20 | r225° / 4.5 NM |
| XSF · Springfield | TACAN | 133.80 | r226° / 4.7 NM |
| FFO · Patterson | TACAN | 115.20 | r113° / 7.1 NM |
| MXQ · Midwest | VOR-DME | 112.90 | r351° / 21.6 NM |
| DQN · Dayton | VOR-DME | 114.50 | r123° / 26.6 NM |
| ROD · Rosewood | VORTAC | 117.50 | r174° / 31.1 NM |
VFR sectional
No published instrument procedures or Chart Supplement for OI91. VFR sectional link above.
Ownership & management
Remarks FAA
- OBS REMOVED/LOWERED OR THRS DSPLCD TO PRVD 20:1 SLOPE; AREA 125 FT EITHER SIDE OF CNTRLN & 200 FT EITHER END BE CLEAR OF OBS.
- FOR CD CTC COLUMBUS APCH AT 614-338-8537
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open OI91 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About OI91
Hammond Airport (OI91) is an airport in Yellow Springs, OH, at 990 ft MSL. It has 1 runway, the longest 1,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for OI91, refreshed from the Aviation Weather Center and FAA NASR.
Does OI91 have a control tower?
No. Hammond Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at OI91?
Hammond Airport has 1 runway; the longest is 1,600 ft. See the Runways tab for headings, surface, and lighting.
Where is OI91?
Hammond Airport is in Yellow Springs, OH, at an elevation of 990 ft MSL. Coordinates: 39.7797, -83.9092.
Fly out of OI91 often?
Save OI91 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.