2 photos from Wikimedia Commons · credits & licences
- 1. Letoun Š 18: PepaHolik· CC BY-SA 4.0
- 2. Letov Š-18 L'Aéronautique July,1927: L'Aéronautique magazine· Public domain
what is it?
The Letov Š-18 was a Czechoslovak single-engined, two-seat biplane trainer. It was designed by Alois Šmolík at Letov Kbely. The Š-18 first flew in 1925.
How to recognise it: 1 piston engine with propeller · biplane · 10 m wingspan
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
- Wingspan of 10 m: about 2 cars parked nose to tail.
piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.
spec sheet
- first flight
- —
- number built
- —
- role
- primary trainer
- makers
- Letov
- engines
- 1× Walter NZ 120
- crew
- 2
- length
- 7 m
- wingspan
- 10 m
- height
- 2.6 m
- max take-off weight
- 696 kg
- top speed
- 160 km/h
- cruise speed
- 150 km/h
- range
- 375 km
- ceiling
- 4,000 m
- wings
- biplane
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q1302418, Wikipedia: Letov Š-18 (CC BY-SA 4.0).Updated 2026-10-24.