Avro 521
Avro · United Kingdom · first flew 1915 · light aircraft
The Avro 521 was a British single-engine biplane developed during World War I, used primarily as a trainer and liaison aircraft. It was part of Avro's prolific family of training biplanes that supported RFC and RNAS pilot training programmes.
Recognition (WEFT)
| W — Wings | High-mounted, straight |
|---|---|
| E — Engines | 1 × piston, nose-mounted |
| F — Fuselage | 8.59 m fuselage |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- WWI-era British Avro single-engine biplane trainer
- Open tandem cockpits with wire-braced two-bay wings
- Related to the ubiquitous Avro 504 family
Classic Avro WWI biplane silhouette: equal-span two-bay wings, tractor engine, tandem open cockpits, and a simple tailskid undercarriage; closely similar to the Avro 504 but distinguishable by dimensional differences.
Specifications
- The Avro 521 has a length of 8.59 m (28 ft).
- It has a wingspan of 9.14 m (30 ft).
- Its maximum speed is 152 km/h (94 mph).
- Typical crew: 2.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
Appearing in 1915 at the height of Britain's rapid expansion of military aviation, the Avro 521 drew on the well-proven lineage of the Avro 504. It was built in modest numbers and served the dual purpose of initial pilot instruction and continuation training at home establishment squadrons.
Variants
Related to the broader Avro 500-series family, with minor engine and equipment differences across production batches.
Where you'll see it
Used by the Royal Flying Corps and Royal Naval Air Service for training duties in the United Kingdom during World War I.
Related aircraft
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