Grand Forks Air Force Base Private
RDR · KRDR · Grand Forks, ND · 913 ft elevation · var 3E · Towered
Airport information
- ICAO / IATA
- KRDR / RDR
- Coordinates
- 47.9611, -97.4012
- Elevation
- 913 ft MSL
- Magnetic variation
- 3E
- Sectional chart
- TWIN CITIES
- Airport use
- Private
- Control tower
- Yes
- Tower hours
- OPR 1200-0530Z++; CLSD HOL.
- Airspace
- Class D · CLASS D SVC OPR 1200-0530Z++, CLSD HOL; OTHER TIMES CLASS G
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GRAND FORKS · 1-800-WX-BRIEF
- NOTAM facility
- GFK
- Attendance
- ALL ALL
- Beacon
- S-white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- yes
- Distance from city
- 13 W
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:49 AM | 09:49Z |
| Sunrise | 05:30 AM | 10:30Z |
| Sunset | 09:33 PM | 02:33Z |
| Evening civil twilight Loggable night begins | 10:14 PM | 03:14Z |
Plan a flight from KRDR
Night operations
- Rotating beacon
- S-white-green · SS-SR
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 17 · 177°
- Pattern
- left (turns left)
- TPA
- 2,413 ft MSL · 1,500 AGL
Enter the left downwind for Rwy 17 at 2,413 ft MSL · 1,500 AGL on a 45°.
Runway 17/35
12,350 ft × 150 ft · ASP- Heading
- 177° mag · 180° true
- Heading
- 357° mag · 360° true
| Runway | Length | Your margin |
|---|---|---|
| 17/35 | 12,350 ft |
Communication frequencies
Tower & ground · “Red River”
| Clearance | 119.15 |
| Ground | 119.15 |
| Tower | 124.9 |
| Flight service | 132.15 (LOW) |
| Emergency | 121.5 |
Approach & departure · “Grand Forks”
| App/Dep | 118.1 |
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (13 frequencies)
| Frequency | Used by |
|---|---|
| 121.1 | ARR (GRAND FORKS) |
| 126.6 | ARR (RED RIVER) |
| 243.0 | EMERG |
| 269.6 | GRAND FORKS RCAG (LOW) |
| 273.45 | D-ATIS |
| 275.8 | GND/P |
| 311.0 | COMD POST |
| 318.1 | APCH/P DEP/P |
| 321.0 | COMD POST |
| 343.5 | PMSV METRO |
| 349.0 | LCL/P |
| 360.7 | CD/P |
| 372.2 | PTD |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
| Runway | ILS |
|---|---|
| RWY 18 | LOC/GS · CAT I · LOC 111.3 (AVA) · GS 2.60° |
| RWY 36 | ILS · CAT I · LOC 109.9 (RDR) · GS 2.60° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| RDR · Red River | TACAN | 116.40 | r032° / 0.3 NM |
| GFK · Grand Forks | VOR-DME | 114.30 | r264° / 8.7 NM |
Airport diagram
Open PDF ↗Preview diagram
Procedures at a glance
Approaches6
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- LOW
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- hangars
- Other services
- Cargo
Ownership & management
Remarks FAA
- OIL AVBL IN PACKAGE PRODUCT ONLY, HAND TRANSFER RQR.
- JASU: (AM32A-86) (AM32-95)
- CAUTION: UNCTL VEH TFC ON TWY AND RAMPS.
- RSTD: ALL INBD PAX/CARGO ACFT MUST CTC COMD POST NO LATER THAN 30 MIN PRIOR TO LDG. ACFT WITH DGR MATERIALS CTC PTD 30 MIN PRIOR TO ETA.
- FUEL: J8
- OIL: OIL AVBL IN PACKAGE PRODUCT ONLY, HAND TRANSFER RQR. O-133-148
- MISC: ACFT WITH VHF RDO EQPT ONLY MAY CTC AM OPS THRU ATC. NO HGR SPACE. ALL ACFT WITH DV ON BOARD CTC COMD POST 60 NM PRIOR LDG.
- ON BASE LODGING FOR TRANS AIRCREWS UNAVBL.
- CAUTION: UAV OPS WITHIN 11 DME HALF CIRCLE RDR R-180 THRU RDR R-360 W OF GRAND FORKS AFB, SFC TO FL 180.UAV OPS ENTIRE CLASS D AIRSPACE.
- SERVICE: TRAN ALERT: OPR 1300-0100Z++ MON-FRI, 1400-2300Z++ SAT AND SUN. NO NML OPR ON FED HOL.
- AFTER HRS REQ MUST HAVE APVL OF RW/CV.
- RSTD: PPR ALL TSNT ACFT, CTC AFLD GMT DSN 362-4409, C701-747-4409 FAX EXTN 4212.
- RSTD: LTD CLASSIFIED STOR FOR TRAN AIRCREWS.
- MISC: WX SVC AVBL H24 AT DSN 362-4396, C701-747-4396. AN/FMQ-19 AUTOMATED OBSERVING SYS IN USE; AUGMENTED BY HUMAN OBSN WHEN NEC. CTC 15 OWS SCOTT AFB DSN 576-9755, C 618-256-9755 DUR WX FLT CLOSURE OR EVAC. BLDG OBSTN MAY IMPACT PREVAILING VIS 010--220-.
- MISC: RWY COND CODE & FICON NOT RPT.
- RSTD: BASH PHASE I & II DTRMD BY BGNG & END OF WATERFOWL MIGRATION; NOTAM WILL BE PUBL WHEN PHASE II IS IMPLEMENTED.
- CAUTION: RWY SFC DETERIORATED. GROOVES IN RWY MAY NOT PRODUCE EXP BA WHEN THE RWY IS WET.
- OPR 1200-0530Z++; CLSD HOL.
- SVC: FLUID: SP PRESAIR DE-ICE NOT AVBL.
- HVY, LRG, AND HI PER ACFT: OVHD 2500 FT MSL; RECTANGULAR 2000 FT MSL; LGT ACFT AND HEL 1500 FT MSL.
- RWY: FIRST/LAST 1100 FT OF RWY 18/36 IS CONCRETE; MIDDLE 10150 FT OF RWY 18/36 IS ASPHALT. RWY 18/36 GROOVED.
- VFR OVERHEAD AND RECTANGULAR TFC PAT RGT HAND RWY 18.
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 KRDR 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 KRDR
Grand Forks Air Force Base (RDR · KRDR) is an airport in Grand Forks, ND, at 913 ft MSL. It has 1 runway, the longest 12,350 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KRDR, refreshed from the Aviation Weather Center and FAA NASR.
Does KRDR have a control tower?
Yes. Grand Forks Air Force Base has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.
What is the longest runway at KRDR?
Grand Forks Air Force Base has 1 runway; the longest is 12,350 ft. See the Runways tab for headings, surface, and lighting.
Where is KRDR?
Grand Forks Air Force Base is in Grand Forks, ND, at an elevation of 913 ft MSL. Coordinates: 47.9611, -97.4012.
Fly out of KRDR often?
Save KRDR 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.