# G400

Source: https://jetatlas.ai/ja/aircraft/gulfstream-g400
Publisher: JetAtlas
Retrieved: 2026-10-27T23:27:03.552Z (not the data verification date)
Record updated: 2026-09-13T15:20:16.606Z
Verified: unknown
Published: not recorded
Requested language: ja
Field languages: {"description":"ja"}
Terms: CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/

- Published specifications depend on configuration. Prices and operating costs are editorial estimates, not quotations.
- Range and runway figures do not establish operational suitability.

G400は、GulfstreamのSymmetryフライトデッキとフライ・バイ・ワイヤ方式をラージキャビンのエントリーモデル領域にもたらした機体です。2024年8月に初飛行し、G500およびG600と胴体断面を共有しながら、新型PW812GAエンジンで4,200 nmの航続距離を目指しており、型式証明の取得と初納入は2026年の予定です。

```json
{
  "kind": "aircraft",
  "slug": "gulfstream-g400",
  "name": "G400",
  "manufacturer_slug": "gulfstream",
  "manufacturer_name": "Gulfstream Aerospace",
  "category": "large",
  "status": "in-development",
  "first_delivery_year": 2026,
  "production_end_year": null,
  "price_new_usd_m": 34.5,
  "preowned_low_usd_m": null,
  "preowned_high_usd_m": null,
  "range_nm": 4200,
  "max_cruise_kts": 505,
  "max_mach": 0.9,
  "max_altitude_ft": 51000,
  "passengers_typical": 9,
  "passengers_max": 12,
  "cabin_length_ft": 36.3,
  "cabin_width_ft": 7.6,
  "cabin_height_ft": 6.3,
  "cabin_volume_cuft": 1441,
  "baggage_cuft": 175,
  "mtow_lb": 69850,
  "takeoff_distance_ft": 5000,
  "landing_distance_ft": 3200,
  "engines": "2 × Pratt & Whitney PW812GA",
  "engine_count": 2,
  "fuel_burn_gph": 340,
  "hourly_variable_cost_usd": 4000,
  "annual_fixed_cost_usd": 1150000,
  "crew": 2,
  "length_ft": 86.3,
  "wingspan_ft": 86.3,
  "height_ft": 25.3,
  "max_payload_lb": 4050,
  "max_fuel_lb": 25350,
  "engine_thrust_lbf": 13496,
  "engine_shp": null,
  "cabin_altitude_ft": 4850,
  "avionics": "Gulfstream Symmetry Flight Deck (Honeywell)",
  "description": "G400は、GulfstreamのSymmetryフライトデッキとフライ・バイ・ワイヤ方式をラージキャビンのエントリーモデル領域にもたらした機体です。2024年8月に初飛行し、G500およびG600と胴体断面を共有しながら、新型PW812GAエンジンで4,200 nmの航続距離を目指しており、型式証明の取得と初納入は2026年の予定です。"
}
```

## References
- https://www.gulfstream.com/en/aircraft/gulfstream-g400/
- https://en.wikipedia.org/wiki/Gulfstream_G400/G500/G600
- https://simpleflying.com/gulfstream-g400-projected-certification/

Methodology: https://jetatlas.ai/en/methodology
Cite: JetAtlas, https://jetatlas.ai/ja/aircraft/gulfstream-g400