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Two-Seater Class sailplane
Grob G103a Twin II is a two-Seater Class sailplane originating in Germany. It was built by Grob Aircraft.
GermanyTechnical data
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| 28 Sept 2026 | 8.18 m | Wikipedia contributors | superseded |
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en.wikipedia.org ↗ · Page not found
Checked 29 Sept 2026No de interlanguage link on the exact article.
English article interlanguage links · de
Grob G103a Twin II
www.wikidata.org ↗ · Field absent
Checked 29 Sept 2026No mapped field recovered. Stored full text retained for further extraction; this is not a claim that unstructured prose has been manually exhausted.
Mapped labelled specifications
German two-seat glider G 103a Twin II Acro Grob G 103a Twin II Acro G 103 Twin II edit Language Label Description Also known as default for all languages No label defined – English Grob G 103 Twin II
grob-aircraft.comrobots.txt ↗ · Access blocked
Checked 29 Sept 2026No exact name/designation URL in retained manufacturer sitemap
Manufacturer robots/sitemap lookup
HTTPSConnectionPool(host='grob-aircraft.comrobots.txt', port=443): Max retries exceeded with url: / (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x70cf702902c0>: Failed to resolve 'grob-aircraft.comrobots.txt' ([Errno -2] Name or service not known)"))
www.army.mod.uk ↗ · Access blocked
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Official equipment index linked profile names
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www.army.mod.uk ↗ · Access blocked
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Official equipment index linked profile names
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www.raf.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Aircraft | Royal Air Force Skip to Main Content Cadets Home What we do Overview Overview Quick reaction alert Cyberspace Hurricane Irma Relief Global operations UK Space Command Team Tempest Centre for Air and Space Power Studies Inspiring STEM careers Our history Our history Battle of Britain Her Majesty the Queen's Platinum Jubilee RAF100 St Clement Danes Church Air Historical Branch Anniversaries MOST POPULAR Quick Reaction Alert RAF personnel, stations and aircraft work together to combat th
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy Equipment & Technology | Royal Navy Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Royal Navy Engineered for the extreme Royal Navy Equipment From fighter jet-scrambling aircraft carriers to ballistic submarines, our equipment gives us the edge in combat from the shores, seas and skies. Ships The Royal Navy can call upon an arsenal of formidable warships and weaponry to meet any challenge. Submarines Our submarine fleet has the technology to
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy Ships | Royal Navy Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Equipment Ships Equipment Ships The Royal Navy boasts a formidable fleet of warships and advanced weaponry, ready to confront any adversary or global threat. With aircraft carriers, assault ships, patrol boats, and survey vessels, our ships are equipped to handle diverse challenges. Global The indomitable fleet We have a selection of hero ships that we use in operations, some c
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy Submarines | Royal Navy Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Equipment Submarine Equipment Submarine Silent and vigilant, our submarines dominate the depths, tracking and securing our interests. They safeguard Trident, our nuclear deterrent. Advanced State-of-the-art technology Royal Navy submarines are equipped with cutting-edge technology, including world-beating sonar systems that enable them to detect enemy vessels from over 50
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy Aircraft | Royal Navy Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Equipment Aircraft Equipment Aircraft When operations require support from the skies, the aircraft of the Fleet Air Arm deliver. This specialist aerial wing flies some of the world’s most advanced aircraft in the most testing of environments. Adaptable Universal platforms We use a variety of universal platforms for our aircrafts, allowing for greater flexibility and adaptabi
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy - Royal Marines Equipment Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Equipment Royal marines Equipment Equipment Royal Marines Equipment The highly-specialised vehicles and weaponry that help our troops thrive in the world’s most testing conditions and environments. By Sea Boarding operations Whether it’s moving equipment and personnel covertly from the world’s oceans and seas on to hostile shores, or patrolling the waters tackling pirate
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en.wikipedia.org ↗ · Page not found
Checked 29 Sept 2026No de interlanguage link on the exact article.
English article interlanguage links · de
Grob G103a Twin II
www.wikidata.org ↗ · Field absent
Checked 29 Sept 2026No mapped field recovered. Stored full text retained for further extraction; this is not a claim that unstructured prose has been manually exhausted.
Mapped labelled specifications
German two-seat glider G 103a Twin II Acro Grob G 103a Twin II Acro G 103 Twin II edit Language Label Description Also known as default for all languages No label defined – English Grob G 103 Twin II
grob-aircraft.comrobots.txt ↗ · Access blocked
Checked 29 Sept 2026No exact name/designation URL in retained manufacturer sitemap
Manufacturer robots/sitemap lookup
HTTPSConnectionPool(host='grob-aircraft.comrobots.txt', port=443): Max retries exceeded with url: / (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x70cf702902c0>: Failed to resolve 'grob-aircraft.comrobots.txt' ([Errno -2] Name or service not known)"))
www.army.mod.uk ↗ · Access blocked
en.wikipedia.org ↗ · Field absent
Checked 30 Sept 2026Recorded cached-source extraction and article inspection. No matching scoped field was extracted; this is not a claim that all five sources were checked.
Retained English infobox, specifications and article text
G103A Twin II General information Type Two-Seater Class sailplane National origin Germany Manufacturer Grob Aircraft Number built 549 The G103 Twin II (originally designated the G 118 ) is a high-performance two-seat sailplane manufactured in Germany by Grob Aircraft . The aircraft is of T-tail conf
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Two-Seater Class sailplane
Germany
Grob Aircraft
549
Two
8.18 m (26 ft 10 in)
17.50 m (57 ft 5 in)
1.55 m (5 ft 1 in)
17.8 m 2 (191 sq ft)
380 kg (837 lb)
580 kg (1,280 lb)
250 km/h (160 mph, 140 kn)
85 km/h (62 mph, 54 kn)
17.1
+5.3/-2.65 at Va
ca. 36.5
0.64 m/s (126 ft/min)
32.6 kg/m 2 (6.68 lb/sq ft)
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Source blocked/unavailable; HTTP 403
Official equipment index linked profile names
Source blocked/unavailable; HTTP 403
www.army.mod.uk ↗ · Access blocked
Checked 29 Sept 2026Source blocked/unavailable; HTTP 403
Official equipment index linked profile names
Source blocked/unavailable; HTTP 403
www.raf.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Aircraft | Royal Air Force Skip to Main Content Cadets Home What we do Overview Overview Quick reaction alert Cyberspace Hurricane Irma Relief Global operations UK Space Command Team Tempest Centre for Air and Space Power Studies Inspiring STEM careers Our history Our history Battle of Britain Her Majesty the Queen's Platinum Jubilee RAF100 St Clement Danes Church Air Historical Branch Anniversaries MOST POPULAR Quick Reaction Alert RAF personnel, stations and aircraft work together to combat th
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy Equipment & Technology | Royal Navy Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Royal Navy Engineered for the extreme Royal Navy Equipment From fighter jet-scrambling aircraft carriers to ballistic submarines, our equipment gives us the edge in combat from the shores, seas and skies. Ships The Royal Navy can call upon an arsenal of formidable warships and weaponry to meet any challenge. Submarines Our submarine fleet has the technology to
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy Ships | Royal Navy Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Equipment Ships Equipment Ships The Royal Navy boasts a formidable fleet of warships and advanced weaponry, ready to confront any adversary or global threat. With aircraft carriers, assault ships, patrol boats, and survey vessels, our ships are equipped to handle diverse challenges. Global The indomitable fleet We have a selection of hero ships that we use in operations, some c
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy Submarines | Royal Navy Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Equipment Submarine Equipment Submarine Silent and vigilant, our submarines dominate the depths, tracking and securing our interests. They safeguard Trident, our nuclear deterrent. Advanced State-of-the-art technology Royal Navy submarines are equipped with cutting-edge technology, including world-beating sonar systems that enable them to detect enemy vessels from over 50
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy Aircraft | Royal Navy Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Equipment Aircraft Equipment Aircraft When operations require support from the skies, the aircraft of the Fleet Air Arm deliver. This specialist aerial wing flies some of the world’s most advanced aircraft in the most testing of environments. Adaptable Universal platforms We use a variety of universal platforms for our aircrafts, allowing for greater flexibility and adaptabi
www.royalnavy.mod.uk ↗ · Page not found
Checked 29 Sept 2026No exact name or stored alias among retained equipment links. This is index coverage, not proof the specification is unpublished.
Official equipment index linked profile names
Royal Navy - Royal Marines Equipment Skip to content Recruiting now. Explore navy careers Recruiting now. Explore navy careers Equipment Royal marines Equipment Equipment Royal Marines Equipment The highly-specialised vehicles and weaponry that help our troops thrive in the world’s most testing conditions and environments. By Sea Boarding operations Whether it’s moving equipment and personnel covertly from the world’s oceans and seas on to hostile shores, or patrolling the waters tackling pirate
No check recorded yet.
Grob G103a Twin II equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
United Kingdom