Tuinstra Airfield Private

IA85 · Indianola, IA · Non-towered · Print kneeboard

Elevation
900 ft MSL
Longest runway
1,200 ft 11/29
Runway
1
Mag var
3E

Nearby now

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-04 · night begins 08:59 PM
EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
05:41 AM10:41Z
Sunrise06:12 AM11:12Z
Sunset08:28 PM01:28Z
Evening civil twilight
Loggable night begins
08:59 PM01:59Z
Loggable night (§1.1)
08:59 PM → 05:41 AM
Night currency (§61.57)
09:28 PM → 05:12 AM

Plan a flight from IA85

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNMNxw 017°downwind 287°base 197°final 107°45° entry1129

RWY 11LEFT traffic

Heading
107° mag · 110° true
Dimensions
1,200 × 75 ft
TPA
1,900 ft MSL (≈1,000 AGL) · standard
Surface
Turf

Enter the left downwind (heading 287°) on the 45° at 1,900 ft MSL (≈1,000 AGL).

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for IA85 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the IA85 kneeboard →

Comms & NavAids

Nearby navigation aids

DSM 117.50 · TNU 112.50
NavAidTypeFreq · chRangeRadial / Dist magnetic
DSM · Des Moines VORTAC 117.50 · 122X High r085° / 4.9 NM
TNU · Newton VOR/DME 112.50 · 72X Low r220° / 28.5 NM

Charts & procedures

No published instrument procedures or Chart Supplement for IA85 — open it on the VFR sectional →

Airport info

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 · 122.2 · 1-800-WX-BRIEF
Attendance
UNATNDD
Segmented circle
No
Wind indicator
yes
Activated
1999/12
Distance from city
6 N
Ownership & management 2 contacts
Owner
J. LUCIAN TUINSTRA
13991 FAIRFAX, INDIANOLA, IA
515-961-6240
Manager
J. LUCIAN TUINSTRA
13991 FAIRFAX, INDIANOLA, IA
515-961-6240
Remarks FAA · 2 notes

General

  • OWNER DESIRES ARPT NOT BE CHARTED.
  • FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.

Nearby airports

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Also nearby: IA41 Laverty Field (private) (2 NM) · IA20 Agrivation Field (private) (8 NM) · 6Z6 Nash Field Indianola Airport (8 NM) · IA11 Too Short Airport (private) (10 NM) · IA86 Hedgewood Landing Airport (private) (10 NM)

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 in the Comms & NavAids section.

What is the longest runway at IA85?

Tuinstra Airfield has 1 runway; the longest is 1,200 ft. See the Runways section 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.

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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.