| AEC Regal IV | |
|---|---|
|   Preserved London Transport Metro-Cammell bodied AEC Regal IV  | |
| Overview | |
| Manufacturer | AEC | 
| Production | 1949–1962 | 
| Assembly | Southall, England | 
| Body and chassis | |
| Doors | 1–3 | 
| Floor type | Step entrance | 
| Chronology | |
| Successor | AEC Reliance | 
The AEC Regal IV was a bus chassis manufactured by AEC from 1949 to 1962.
The AEC Regal IV was AEC's first mainstream underfloor engined vehicle. A prototype was built in 1949, before production commenced in 1952. [1] The first 25 were built to the maximum permissible length of 8.4 metres (28 ft) for London Transport before maximum length for PSVs increased to 9.1 metres (30 ft). [2] [3]
Over 2,600 were built, London Transport was the largest operator, purchasing over 700, while British European Airways purchased 64 as coaches. [4] [5] Production for UK market finished in 1955 with the introduction of the AEC Reliance but it remained in production for export markets until the 1960s. [2]
At least 117 Regal IV vehicles were exported to New Zealand between 1952 and 1955. For Christchurch and New Plymouth, these were specifically to replace the city's tram networks. These included:
 
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