Prince & Pembroke

A light civil transport that led to communications and training aircraft for the Royal Navy (Sea Prince) and RAF (Pembroke)
Percival P50 Prince G-ALJA Percival P50 Prince 2 G-ALJA
The Prince was a twin-engine light civil transport that led to a family of military communication and training aircraft for the Royal Navy (P.57 Sea Prince) and Royal Air Force (P.66 Pembroke). Although bearing a strong family resemblance to the Merganser, the Prince was larger and heavier, with 8 ft longer wing span, nearly 50% greater weight and almost twice the installed power.
The prototype P.50 Prince (G-23-1/G-ALCM) first flew at Luton on 13th May 1948.
Six civil Prince variants were produced as follows:
P.50 Prince 1 - The initial model. 
P.50 Prince 2 – Sloping windscreen and weight increase to 11,000 lb. 
P.50 Prince 3 – Increased power.
P.50 Prince 4 – Maximum weight 11,500 lb.
P.50 Prince 6 – 11,800 lb maximum weight. Early models have a short nose, whilst most later models have a lengthened of more refined shape.
Percival P57 Sea Prince T.1 WP313 Percival P57 Sea Prince T.1 WP313 568 CU of 750 Sqn in the FAA Museum reserve collection at Yeovilton.
The P.57 Sea Prince for the Royal Navy was first flown on 28th June 1951.
The prototype P.66 Pembroke WV698 was first flown on 20th November 1952 and in addition to RAF use, it was exported to Belgium, Finland, Sudan, Sweden and Germany.
The P.66 Pembroke featured an 8 ft 6 in increase in span and an increase in maximum weight to13,500 lb.
Belgian Air Force Percival P66 Pembroke C.51 OT-ZAA RM1 Air-to-air photograph of Belgian Air Force Percival P66 Pembroke C.51 OT-ZAA RM1.
The P.66 President was a civil equivalent to the Pembroke.
Production of the Prince family comprised:
  1. Civil variants: Twenty-six P.50 Prince and P.54 Survey Prince, five P.66 President (civilian equivalent to Pembroke).
  2. Forty-eight P.57 Sea Prince in three variants.
  3. 128 P.66 Pembroke.
Percival P66 Pembroke C.1 XL954 Take off of Percival P66 Pembroke C.1 XL954 G-BXES


                                   Prince 2 Prince 6 Pembroke
Powerplant Two 520 hp Alvis Leonides 501/4 Two 540 hp Alvis Leonides 504/5A Two 550 hp Alvis Leonides 127
Span 56 ft 0 in 56 ft 0 in 64 ft 6 in
Maximum Weight 11,000 lb 11,800 lb 13,500 lb
Capacity Six to eight passengers Six to eight passengers Eight to ten passengers
Maximum Speed 193 mph 229 mph 224 mph
Cruising Sped 160 mph 197 mph 155 mph
Range 800 miles 894 miles 1,150 miles

Variants & Number built

P.50 Prince 1                Prototype, two 520 hp Alvis Leonides 501/4 engine, one built.
P.50 Prince 2 As Prince 1 with sloping windscreen, stronger main spar, five built.
P.50 Prince 3 Alvis Leonides 502/4 engine, lengthened nose on some aircraft, 12 built.
P.50 Prince 4 Conversions to Alvis Leonides 503 engines, ten converted.
P.50 Prince 6 Conversions to Alvis Leonides 504 engines.
P.54 Survey Prince Prince 2 with lengthened transparent nose and camera hatches, six built.
P.57 Sea Prince C1 Prince 2 for Royal Navy use, three built.
P.57 Sea Prince T1 Prince 3 with long nose housing radar, twin wheeled main undercarriage and lengthened nacelles, 41 built
P.57 Sea Prince C2 Transport version of Sea Prince T1, four built.
P.66 Pembroke C.1 Communications and transport variant for the RAF, 44 built.
P.66 Pembroke C(PR).1 Photographic reconnaissance variant for the RAF, 6 built and 2 conversions from C.1.
P.66 Pembroke C.51 Export variant for Belgium.
P.66 Pembroke C.52 Export variant for Sweden. Swedish military designation Tp 83.
P.66 Pembroke C.53 Export variant for Finland.
P.66 Pembroke C.54 Export variant for West Germany.
P.66 Pembroke C.55 Export variant for Sudan.
P.66 President Civil transport version, five built.


1/98, Prince T1 Royal Thai Air Force Museum, Don Muang AFB                                                
Prince 3E
Speke Aerodrome Heritage Group, Merseyside, England

Sea Prince T.1
Norfolk & Suffolk Aviation Museum, Suffolk, England

Sea Prince T.1
Solway Aviation Museum, Carlisle Airport, England.
Sea Prince T.1
(WF118 / G-DACA)
Gatwick Aviation Museum, Surrey, England
Sea Prince T.1
Aeroventure, Doncaster, Sth Yorks.
Pembroke C.51
Royal Museum of the Armed Forces and Military History, Brussels.
Pembroke C.51
Melsbroek Air Base in Steenokkerzeel, Belgium.
Pembroke C.54
(54+02 / D-CAKE)
Sinsheim Auto & Technik Museum, Baden-Württemberg.

Pembroke C.54
Militärhistorisches Museum, Flugplatz Berlin-Gatow

Pembroke C.54
Aeronauticum in Nordholz, Lower Saxony.

Pembroke C.54
Flugausstellung Hermeskeil in Hermeskeil, Rhineland-Palatinate.
Pembroke C.54
Flugausstellung Hermeskeil in Hermeskeil, Rhineland-Palatinate.
Pembroke C.52 Tp 83
Svedino Automobile and Aviation Museum in Ugglarp, Halland.

Pembroke C.52 Tp 83
(83008 / SE-BKH)
Airworthy Västerås Flygmuseum in Västerås, Västmanland.

Pembroke C.1
(WV740 / G-BNPH)
Airworthy at Exeter, Devon.
Pembroke C.1
Royal Air Force Museum Cosford in Cosford, Shropshire.

Pembroke C.1
(XL954 / G-BXES)
Airworthy with Air Atlantique in Coventry, West Midlands.
Pembroke C.1
Airworthy with Giuseppe Baldassarri in Carrollton, Georgia.
Pembroke C.51
Airworthy with the World On The Wind Museum in Quartzsite, Arizona.
Pembroke C.5
Taylor's Stateline Liquor Store in Neelyville, Missouri