Hyakuri Air Base at dusk, parallel runways across the flat Kantō plain with the Pacific glinting at the horizon
Air Bases

Hyakuri Air Base

HYAKURI Omitama, Ibaraki

JASDF Hyakuri Air Base, the F-2 base guarding the airspace around Tokyo. Two parallel 2,700 m runways, shared with a civil terminal as Ibaraki Airport.

DATA

Identifier
RJAH / JASDF Hyakuri Air Base, Ibaraki Airport
Runways
RWY 03R/21L — 2,700 m × 45 m
RWY 03L/21R — 2,700 m × 45 m
Elevation
About 32 m
Based units
7th Air Wing, 3rd Sqn (F-2A/B)
Hyakuri Rescue Sqn (UH-60J / U-125A)
Area built
21.7 km square
Buildings
28,373

The squadron that first received the F-2 is here now — about 80 km northeast of Tokyo, covering the capital region.

The real base

Omitama, Ibaraki prefecture. The 7th Air Wing’s 3rd Squadron flies the F-2A/B from here. The 3rd was the first squadron to receive the F-2; it spent years at Misawa before moving to Hyakuri in March 2020. That move put the F-2 on capital-region air defence for the first time.

There are two parallel 2,700 m runways. The civil side opened in 2010 as Ibaraki Airport, so an air base and a passenger terminal use the same pavement.

The terrain we built

21.7 km square. This is the eastern edge of the Kantō plain and the flattest ground in the game — the measured elevation range across the whole area is 0 to 43 m.

Lake Kasumigaura lies to the northeast, and the Pacific shoreline is about 10 km east. There are 28,373 buildings: scattered settlements between wide paddy fields, in the checkerboard pattern typical of the region.

What it is like to fly

With two parallel runways, you choose which one to land on. With essentially no relief in the ground, the approach comes down to angle and speed alone — and with nothing to hide behind, there is no fudging your own rate of descent.

Once airborne, nothing obstructs the view. Take off at dusk and you can watch the lights come on across the whole plain.

The terrain included varies by edition and platform. See the description of each edition for details.
Elevation data: Geospatial Information Authority of Japan (GSI)

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