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NA90 Circle Z Landing Strip Airport
Underwood, North Dakota, USA

GOING TO UNDERWOOD?

FAA INFORMATION EFFECTIVE 25 DECEMBER 2025

Location

FAA Identifier: NA90
Lat/Long: 47-27-59.9900N 101-13-21.5560W
47-27.999833N 101-13.359267W
47.4666639,-101.2226544
(estimated)
Elevation: 2000 ft. / 610 m (estimated)
Variation: 10E (1985)
From city: 4 miles W of UNDERWOOD, ND
Time zone: UTC -6 (UTC -5 during Daylight Saving Time)
Zip code: 58576

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 08/1982
Control tower: no
ARTCC: MINNEAPOLIS CENTER
FSS: GRAND FORKS FLIGHT SERVICE STATION
Attendance: UNATNDD
Segmented circle: no

Airport Communications

WX AWOS-3PT at HZE (18 nm SW): 118.675 (701-748-2443)

Airport Services

Runway Information

Runway 13/31

Dimensions: 1900 x 50 ft. / 579 x 15 m
Surface: turf
RUNWAY 13  RUNWAY 31
Traffic pattern: leftleft

Runway 8/26

Dimensions: 1000 x 50 ft. / 305 x 15 m
Surface: turf
RUNWAY 8  RUNWAY 26
Traffic pattern: leftleft
Obstructions: 30 ft. trees, 300 ft. from runwaynone

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: HAROLD SNYDER FARM
RT.1 BOX 14
UNDERWOOD, ND 58576
Phone 701-442-5417
Manager: BRADLEY J. SNYDER
RT.1 BOX 14
UNDERWOOD, ND 58576
Phone 701-442-5417

Additional Remarks

- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.

Instrument Procedures

There are no published instrument procedures at NA90.

Some nearby airports with instrument procedures:

D05 - Garrison Municipal Airport (14 nm NW)
KHZE - Mercer County Regional Airport (18 nm SW)
Y19 - Mandan Regional Airport/Lawler Field (44 nm S)
KBIS - Bismarck Municipal Airport (46 nm SE)
D57 - Glen Ullin Regional Airport (47 nm SW)
  
Loc | Ops | Rwys | IFR | FBO | Links
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Area around NA90 (Circle Z Landing Strip Airport)
 
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Sectional chart

 
Airport distance calculator
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From to NA90

Sunrise and sunset
Times for 12-Jan-2026
 Local
(UTC-6)		 Zulu
(UTC)
Morning civil twilight07:5613:56
Sunrise08:3114:31
Sunset17:1623:16
Evening civil twilight17:5123:51

Current date and time
Zulu (UTC)  12-Jan-2026 09:47:51
Local (UTC-6)  12-Jan-2026 03:47:51
 
METAR
KN60 
14nm NW 		120854Z AUTO 24005KT M03/M05 A3002 RMK AO1 SLP187 T10281050 56011
KHZE 
18nm SW 		120935Z AUTO 23004KT 10SM CLR 01/M05 A3006 RMK AO2
TAF
KBIS 
46nm SE 		120524Z 1206/1306 24006KT P6SM BKN250 FM121700 26008KT P6SM SCT250 WS014/28040KT FM130200 28014G23KT P6SM BKN250
KMOT 
47nm N 		120524Z 1206/1306 25011KT P6SM SCT170 FM121700 25014G22KT P6SM SCT200 FM130000 27018G28KT P6SM BKN090 WS010/31040KT
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