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#2768

Grob G103a Twin II

🇩🇪 Germany ·first flight unknown· two-seater class sailplane

Grob G103a Twin II, photo 1 of 1
1/1 Dhaluza at English Wikipedia· CC BY 3.0

what is it?

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 configuration, and is fitted with upper-surface airbrakes and a non-retractable undercarriage. Of fiberglass construction, it is designed for training, high performance cross-country racing and simple aerobatic flying.

base stats

  • speed 250 km/htop speed
  • seats 2passengers
  • size 580 kgmax take-off weight
  • built 549made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

  • Top speed is 1.9× a car on the Dutch motorway (130 km/h).
  • Wingspan of 17.5 m: about 4 cars parked nose to tail.

no engine: No engine: it glides on rising air.

spec sheet

first flight
—
number built
549
role
two-seater class sailplane
origin
🇩🇪 Germany
makers
Grob Aircraft
engines
none (glider)
passengers
2
length
8.2 m
wingspan
17.5 m
height
1.6 m
max take-off weight
580 kg
top speed
250 km/h
cruise speed
85 km/h
range
—

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.

Sources: Wikidata Q2482008, Wikipedia: Grob G103a Twin II (CC BY-SA 4.0).Updated 2026-10-24.

stan runge 704880d source