| de Havilland Express
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| Description
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| Role | Passenger transport / trainer
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| Crew | 2
|
| Passengers | 14-18
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| First Flight | 1933 in aviation
|
| Entered Service |
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| Manufacturer | de Havilland
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| Dimensions
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| Length | 46ft 1in | 14.1 m
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| Wingspan | 64ft 6in | 19.7 m
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| Height | 13ft 3in | 4 m
|
| Wing Area | 638 ft² | 59.3 m²
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| Weights
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| Empty | 6,250 lbs | 2,830 kg
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| Loaded | 10,250 lbs | 4,650 kg
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| Maximum takeoff | lbs | kg
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| Powerplant
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| Engine | 4 × de Havilland Gipsy Six
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| Power (each) | 200 hp | 150 kW
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| Performance
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| Maximum speed | 166mph | 267km/h
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| Combat range | 748 miles | 1,200 km
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| Ferry range | km | miles
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| Service ceiling | 17,400 ft | 5,300 m
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| Rate of climb | 925 ft/min | 280 m/min
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| Wing loading | 16.1 lb/ft² | 78.4 kg/m²
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| Power/Mass | 0.078 hp/lb | 0.129 kW/kg
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The de Havilland 86 was developed in 1933 for QANTAS, to inaugurate the Singapore-Brisbane section of the England to Australia air route. It was styled the Express Air Liner.
A modified version, the DH 86B with accommodation for two pilots, was built for Imperial Airways and given the class name Diana. They were used on European and Empire air routes including the run from Khartoum to Lagos.
62 were built and many were still flying at start of World War II when they were taken into military service for communications and radio navigational training.
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