What is the tower frequency at RJTJ?

The tower frequency at Iruma Air Base is 126.2 MHz.

Does RJTJ require landing permits?

Yes, landing permits are required for Iruma Air Base (Japan).

Where is RJTJ located?

Iruma Air Base (RJTJ) is located in Sayama, Japan.

How long is the runway at RJTJ?

The main runway at Iruma Air Base (17/35) measures 2000x45m.

Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Iruma Air Base (RJTJ) — Sayama, Japan

Iruma Air Base (RJTJ) serves Sayama, Japan. This is a mid-sized airport with 1 runway (17/35). Field elevation is 295 ft AMSL. Data on this page is maintained by the aviation community — contribute to keep it accurate.

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65% Data Complete 34 of 52 points

Missing: Operations, Fuel, Contacts

Section Breakdown

Basic Info 7/7

Runways 4/4

Frequencies 2/4

Operations 0/2

Fuel 0/1

Contacts 0/2

Additional Info 2/10

Observed Activity · Jul 23

17 aircraft observed within 6 NM · 2 on the ground · busiest hour 00:00Z

2026-07-182026-07-23

Distinct ADS-B aircraft seen within 6 NM below 10,000 ft AGL per UTC day · community-feed coverage varies · not official movement totals

Data last updated: 2026-04-02

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Basic Airport Information

ICAO: RJTJ
Name: Iruma Air Base
Type: medium_airport
Category: Military
Latitude: 35.8419
Longitude: 139.410995
Elevation: 295 ft
Country: Japan
Municipality: Sayama
IATA Code: N/A
FAA Code: N/A
FIR: N/A
Timezone: Asia/Tokyo
Distance from City: N/A km
VFR: Yes
IFR: No

Runways

Runway 17/35

Designation: 17/35
Dimensions: 2000x45m
Surface: ASP
PCN: N/A
Lighting: Lighted
NAVAIDs: N/A
Approach Types: N/A
Remarks: N/A

Frequencies

Tower: 126.200 MHz
Ground: 27.580 MHz
Operations: N/A
Traffic/Approach: 118.300, 122.100 MHz
ATIS: N/A

Operation Hours

Monday N/A

Tuesday N/A

Wednesday N/A

Thursday N/A

Friday N/A

Saturday N/A

Sunday N/A

Extra Hours On Request: No
Remarks: N/A

Contacts

AIS Tel: N/A
ARO Tel: N/A
MET Tel: N/A
Admin Tel: N/A
Health Tel: N/A
Police Tel: N/A
Authorities Tel: N/A
Website: N/A
Remarks: N/A

Slots / PPR

Slot Required: No
PPR Required: No
PPR Contact: N/A
Remarks: N/A

Immigration

Port of Entry: No
GENDEC Required: No
GAR Required: No
Remarks: N/A

Airport Services

No services listed for this airport yet.

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Japan Permit Requirements

Medium Landing: 5d

Overflight Permit: Conditional
Landing Permit: Conditional
Overflight Lead Time: N/A for ICAO IFR flights; VFR requires permit
Landing Lead Time: Private non-revenue: not required. Charter: 3-7 working days. Business urgency: 24 hours possible.

Private / GA Operations:

Private flights require JCAB notification. Generally accommodated at GA-friendly airports.

View Full Japan Permit Details

Nearby Airports

RJTY Yokota Air Base 6 NM RJTC Tachikawa Airfield 8 NM RJTF Chofu Airport 12 NM RJTA JMSDF Atsugi Air Base / Naval Air Facility Atsugi 23 NM RJTT Tokyo (Haneda) Intl 25 NM RJTL JMSDF Shimofusa Air Base 29 NM RJTK JGSDF Kisarazu Airfield 36 NM RJAK JGSDF Kasumigaura Airfield 40 NM

Compare RJTJ with RJTY side by side →

Airport History

Discover the key milestones and historical events that shaped Iruma Air Base. Our community-powered timeline traces this airport's journey from its origins to the present day.

Explore History

Frequently Asked Questions

What is the tower frequency at RJTJ?: The tower frequency at Iruma Air Base is 126.2 MHz.
Does RJTJ require landing permits?: Yes, landing permits are required for Iruma Air Base (Japan).
Where is RJTJ located?: Iruma Air Base (RJTJ) is located in Sayama, Japan.
How long is the runway at RJTJ?: The main runway at Iruma Air Base (17/35) measures 2000x45m.

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