Aircraft Upgrade Cost

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Aircraft Upgrade Cost

Client reference artwork

English name	Aircraft Upgrade Cost
Entry type	Research
Edition	International
Appearance	Available

Decreases the upgrade resource cost of Aircraft.

Names / aliases: 飛機升級費用

Higher Education Study

Definition maximum level	5	Source
Required university level	5	Source
Grid cell	C3	Source

The tables are acquired client configuration references with source records, not current-server confirmation. Research, Artifacts, VIP and events can modify gameplay values.

← Amelia Earhart

Effects and reference data

Research levels

International 13.1600.1602 · Client configuration reference, without player discounts. Growth units and cumulative effects are not inferred. timeInSecs is seconds. Both worker fields are preserved because override conditions and research dependency topology remain unverified.

Internal keys, unverified units and technical conditions are retained in each row’s source record.

Level	Base resource cost	Research time	Citizens required / override	University level required	Evidence
1	Oil 20,000	4 h	4 / 4	5	Record
2	Oil 40,000	8 h	4 / 4	5	Record
3	Oil 60,000	12 h	4 / 4	5	Record
4	Oil 80,000	1 d	4 / 4	5	Record
5	Oil 100,000	1 d	4 / 4	5	Record

Appearance

Client reference artwork
International 13.1600.1602
DomiNations / Big Huge Games

Names and translations

The Chinese display name is a project label. Only the sourced names below are recorded as verified official terminology.

Client names come from international version 13.1600.1602, with Traditional Chinese text. All 11 language files match the acquired Asia version; matching names do not establish identical statistics.

Official name	Language	Evidence
Aircraft Upgrade Cost	en-US	Source record
飛機升級費用	zh-TW	Source record

More official language names (9)

Official name	Language	Evidence
飛行機アップグレードコスト	ja-JP	Source record
비행기 업그레이드 비용	ko-KR	Source record
Flugzeug-Verbesserungskosten	de-DE	Source record
Costo de mejora de unidad aérea	es-419	Source record
Coût d'amélioration aérienne	fr-FR	Source record
Costo miglioramento velivolo	it-IT	Source record
Custo de melhoria de aeronave	pt-BR	Source record
Цена улучшений самолетов	ru-RU	Source record
Uçak Yükseltme Maliyeti	tr-TR	Source record

Sources

Source	Language	Status
DomiNations international client · 13.1600.1602 International 13.1600.1602 (2474)	en-US, zh-TW, ja-JP, ko-KR, de-DE, es-419, fr-FR, it-IT, pt-BR, ru-RU, tr-TR	Selected fields reviewed