Saunders-Roe SR.45 (Princess)

Flying Boat

United Kingdom | 1952

"The Saunders-Roe Princess flying boat became the largest all-metal flying boat aircraft to have been built - just one example was completed."

Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Saunders-Roe SR.45 Flying Boat.

4 x Bristol Coupled-Proteus 610 turboprop engines developing 5,000 horsepower each with 2 x Bristol Proteus 620 turboprop engines developing an additional 2,500 horsepower; All engines driving four-bladed propeller units.
Propulsion

379 mph
610 kph | 329 kts
Max Speed

39,370 ft
12,000 m | 7 miles
Service Ceiling

5,720 miles
9,205 km | 4,970 nm
Operational Range

1,900 ft/min
579 m/min
Rate-of-Climb

Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Saunders-Roe SR.45 Flying Boat.

6
(MANNED)
Crew

147.6 ft
45.00 m
O/A Length

219.5 ft
(66.90 m)
O/A Width

55.7 ft
(16.99 m)
O/A Height

190,038 lb
(86,200 kg)
Empty Weight

345,023 lb
(156,500 kg)
MTOW

Variants
Notable series variants as part of the Saunders-Roe SR.45 (Princess) family line.

SR.45 "Princess" - Base Series Designation.

Operators
Global customers who have evaluated and/or operated the Saunders-Roe SR.45 (Princess). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 1 Units
Contractor(s): Saunders-Roe (SARO) - UK

[ United Kingdom ]

Going Further...
The Saunders-Roe SR.45 (Princess) Flying Boat appears in the following collections:

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