Airport information
- FAA LID
- IA85
- Coordinates
- 41.4351, -93.5405
- Elevation
- 900 ft MSL
- Magnetic variation
- 3E
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- FORT DODGE
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1999/12
- Distance from city
- 6 N
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:07 AM | 10:07Z |
| Sunrise | 05:41 AM | 10:41Z |
| Sunset | 08:51 PM | 01:51Z |
| Evening civil twilight Loggable night begins | 09:25 PM | 02:25Z |
Plan a flight from IA85
Traffic pattern
- Landing
- Rwy 11
- Pattern
- left (turns left)
- TPA
- 1,900 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 11 at 1,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 11/29
1,200 ft × 75 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Pline, 35 ft, 400 ft from threshold
| Runway | Length | Your margin |
|---|---|---|
| 11/29 | 1,200 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DSM · Des Moines | VORTAC | 117.50 | r084° / 4.9 NM |
| TNU · Newton | VOR-DME | 112.50 | r220° / 28.5 NM |
VFR sectional
No published instrument procedures or Chart Supplement for IA85. VFR sectional link above.
Ownership & management
Remarks FAA
- PRVDD A CLEAR APCH TO EA RY FOR A 20:1 GLIDE SLOPE & A CLEAR TRANSITIONAL SFC FOR A 7:1 SLOPE.
- OWNER DESIRES ARPT NOT BE CHARTED.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
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 IA85 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 IA85
Tuinstra Airfield (IA85) is an airport in Indianola, IA, at 900 ft MSL. It has 1 runway, the longest 1,200 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IA85, refreshed from the Aviation Weather Center and FAA NASR.
Does IA85 have a control tower?
No. Tuinstra Airfield is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at IA85?
Tuinstra Airfield has 1 runway; the longest is 1,200 ft. See the Runways tab for headings, surface, and lighting.
Where is IA85?
Tuinstra Airfield is in Indianola, IA, at an elevation of 900 ft MSL. Coordinates: 41.4351, -93.5405.
Fly out of IA85 often?
Save IA85 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.