1 photo from Wikimedia Commons · credits & licences
- 1. Grob Speed Astir IIb: -5m· CC BY-SA 2.0
what is it?
The Grob G104 Speed Astir was a competition sailplane produced in Germany in the late 1970s as Grob's first design in the 15 metre class.
base stats
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
- First flew 48 years ago, in 1978.
- Top speed is 2.1× a car on the Dutch motorway (130 km/h).
- Wingspan of 15 m: about 3 cars parked nose to tail.
no engine: No engine: it glides on rising air.
spec sheet
- first flight
- 1978-04-03
- number built
- 108
- role
- 15 metre class sailplane
- origin
- 🇩🇪 Germany
- makers
- Grob Aircraft
- engines
- none (glider)
- passengers
- 1
- length
- 6.7 m
- wingspan
- 15 m
- height
- 1.3 m
- max take-off weight
- 515 kg
- top speed
- 270 km/h
- range
- —
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q1547165, Wikipedia: Grob G104 Speed Astir (CC BY-SA 4.0).Updated 2026-10-24.