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Artillery1963–present
Autocannon
Oerlikon GDF is a autocannon originating in Switzerland (1958–present). It was built by Oerlikon (1958–2009) Rheinmetall (2009–present). Reported operators include Argentina, Austria, Bahrain, Bangladesh, Brazil, Cameroon, Canada, Chile, China, Colombia, Cyprus, Ecuador, Egypt, Finland, Germany, Greece, Iran, Indonesia, Japan, South Korea, Kuwait, Malaysia, Myanmar, Nigeria, Oman, Pakistan, Romania, Saudi Arabia, Singapore, South Africa, Spain, Switzerland, Taiwan, Thailand, Turkey, Ukraine, United Arab Emirates, United Kingdom.
Oerlikon GDF
Comet Photo AG (Zürich) ETH-Bibliothek Zürich, Bildarchiv / Fotograf: Comet Photo AG (Zürich) / Com_LC1690-001-011 / CC BY-SA 4.0 · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · ModifiedTechnical data
Autocannon
Switzerland (1958–present)
1963–present
See Operators
Iran–Iraq War Falklands War South African Border War 2025 India–Pakistan conflict Twelve-Day War
Oerlikon
Oerlikon (1958–2009) Rheinmetall (2009–present)
1958–present
6,700 kg (14,800 lb ) (with ammunition)
7.8 m (25 ft 7 in) (travelling)
3.15 m (10 ft 4 in) (barrel)
2.26 m (7 ft 5 in) (travelling)
2.6 m (8 ft 6 in) (travelling)
3
Complete round: 35×228mm, 1.565 kg (3 lb 7 oz)
35 mm (1.4 in)
Gas-operated , propped-lock locking system
4 wheels with outriggers
−5°/+92°
Full 360°
550 rounds/min (per barrel)
1,175 m/s (3,850 ft/s) (HEI-T)
Ceiling: 4,000 m (13,000 ft)
Argentina
Austria
Bahrain
Bangladesh
Brazil
Cameroon
Canada
Chile
China
Colombia
Cyprus
Ecuador
Egypt
Finland
Germany
Greece
Iran
Indonesia
Japan
South Korea
Kuwait
Malaysia
Myanmar
Nigeria
Oman
Pakistan
Romania
Saudi Arabia
Singapore
South Africa
Spain
Switzerland
Taiwan
Thailand
Turkey
Ukraine
United Arab Emirates
United Kingdom
Maximum range : 12500 m
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 7.8 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 7.8 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 7.8 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 7.8 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 7.8 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 7.8 m | Wikipedia contributors | approved |
Oerlikon GDF equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
ArgentinaReported count for Oerlikon GDF. Service scope: Argentine Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 38. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
AustriaNumber column of the Wikipedia list table under "Air defence". The list's own wording applies; it is a compiled secondary source, not an official census.
BahrainReported count for Oerlikon 35 mm twin cannon. Service scope: Royal Bahraini Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): number: 15. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
BangladeshRange count for Oerlikon GDF. Service scope: Bangladesh Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 4–8 (sources vary). Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
BhutanNumber column of the Wikipedia list table under "Air defence". The list's own wording applies; it is a compiled secondary source, not an official census.
Brazil
CameroonNumber column of the Wikipedia list table under "Towed anti-aircraft gun". The list's own wording applies; it is a compiled secondary source, not an official census.
Canada
Chile
China
Colombia
CyprusReported count for GDF-005. Service scope: Cypriot National Guard; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 24. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Ecuador
EgyptReported count for Skyguard Amoun · Amoun. Service scope: Egyptian Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 36. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
FinlandNumber column of the Wikipedia list table under "Anti-aircraft artillery". The list's own wording applies; it is a compiled secondary source, not an official census.
Germany
GreeceReported count for Oerlikon GDF. Service scope: Hellenic Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): in service: 40 guns. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. Cited source 2023-02-15. Edition or publication years do not claim an exact inventory census day.
IndonesiaReported count for Norinco / Oerlikon GDF · Type 90. Service scope: Indonesian Navy; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 4. Origin: Switzerland China. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Iran
Japan
Kuwait
Malaysia
Mexico
Morocco
MyanmarLower-bound count for MAA-01 35mm anti-aircraft gun / MAA-01 35 mm anti-aircraft gun. Service scope: Myanmar Army; does not replace a national total. 2 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 200+ (as of 2020) / quantity: 10 (as of 2017). Origin: Myanmar. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Nigeria
OmanReported count for Oerlikon GDF. Service scope: Royal Army of Oman; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): quantity: 10. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Pakistan
RomaniaReported count for Oerlikon GDF-003 Oerlikon GDF-009. Service scope: Land Forces; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): numbers: 72 Unknown/24. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2017), not the article revision. Cited source 2017-11-03. Edition or publication years do not claim an exact inventory census day.
Saudi Arabia
SingaporeReported count for Oerlikon 35 mm twin cannon. Service scope: Republic of Singapore Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): in service: 34. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
South AfricaApproximate count for Oerlikon GDF. Service scope: South African Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): number: ~ 169 acquired ~ 48 retained (2026 est.). Origin: Switzerland Germany. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
South KoreaReported count for Oerlikon 35 mm(GDF-003). Service scope: Republic of Korea Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 36. Origin: Switzerland South Korea. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
SpainReported count for Oerlikon-Contraves GDF-005/007 35/90 · Anti-aircraft artillery. Service scope: Spanish Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): quantity: 92. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
SwitzerlandReported count for Oerlikon GDF-005 modified 35 mm Fliegerabwehrkanone 63/12. Service scope: Swiss Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): quantity (2025): 24. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
TaiwanReported count for Skyguard. Service scope: Republic of China Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 24. Origin: Switzerland. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Thailand
TürkiyeReported count for Oerlikon GDF. Service scope: Turkish Land Forces; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): quantity: 120. Origin: Switzerland Turkey. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited source edition. Edition or publication years do not claim an exact inventory census day.
Ukraine
United Arab Emirates
United KingdomArgentina, Austria, Bahrain, Bangladesh, Brazil, Cameroon, Canada, Chile, China, Colombia, Cyprus, Ecuador, Egypt, Finland, Germany, Greece, Iran, Indonesia, Japan, South Korea, Kuwait, Malaysia, Myanmar, Nigeria, Oman, Pakistan, Romania, Saudi Arabia, Singapore, South Africa, Spain, Switzerland, Taiwan, Thailand, Turkey, Ukraine, United Arab Emirates, United Kingdom
Equipment reference ↗