Note: type I designation is my own

http://www.bmpt.org.uk/other_boats_history/target/index.htm

A motor launch of HMS Rodney. (PROBABLY 45ft British Power Boat)

LORD HALIFAX LEAVES FOR USA IN HMS KING GEORGE V TO TAKE UP HIS POST AS AMBASSADOR. JANUARY 1941.
LORD HALIFAX LEAVES FOR USA IN HMS KING GEORGE V TO TAKE UP HIS POST AS AMBASSADOR. JANUARY 1941. © IWM (A 2675)

(PROBABLY 45ft British Power Boat)

COMMANDER IN CHIEF HOME FLEET RELINQUISHES HIS POST. DECEMBER 1940, ON BOARD THE FLAGSHIP, HMS NELSON. ADMIRAL OF THE FLEET SIR CHARLES FORBES, RELINQUISHING HIS POST AS C IN C HOME FLEET TO TAKE UP COMMAND AS C IN C PLYMOUTH. ADMIRAL JOHN CRONYN TOVEY TOOK OVER FROM ADMIRAL FORBES.
COMMANDER IN CHIEF HOME FLEET RELINQUISHES HIS POST. DECEMBER 1940, ON BOARD THE FLAGSHIP, HMS NELSON. ADMIRAL OF THE FLEET SIR CHARLES FORBES, RELINQUISHING HIS POST AS C IN C HOME FLEET TO TAKE UP COMMAND AS C IN C PLYMOUTH. ADMIRAL JOHN CRONYN TOVEY TOOK OVER FROM ADMIRAL FORBES. © IWM (A 2164)

(PROBABLY 45ft British Power Boat)

HIS MAJESTY THE KING VISITS THE FLEET IN NORTHERN WATERS. AUGUST 1941, ON BOARD SHIPS OF THE HOME FLEET.
HIS MAJESTY THE KING VISITS THE FLEET IN NORTHERN WATERS. AUGUST 1941, ON BOARD SHIPS OF THE HOME FLEET. © IWM (A 4716)

COLONEL KNOX'S VISIT, SEPTEMBER 1943, SCAPA FLOW. COLONEL FRANK KNOX, SECRETARY OF THE US NAVY, AND ADMIRAL H R STARK, COMMANDER OF US NAVAL FORCES IN THE EUROPEAN THEATRE, VISITED US SHIPS SERVING WITH THE HOME FLEET.
COLONEL KNOX’S VISIT, SEPTEMBER 1943, SCAPA FLOW. COLONEL FRANK KNOX, SECRETARY OF THE US NAVY, AND ADMIRAL H R STARK, COMMANDER OF US NAVAL FORCES IN THE EUROPEAN THEATRE, VISITED US SHIPS SERVING WITH THE HOME FLEET. © IWM (A 19429)

HRH THE DUKE OF EDINBURGH IN MALTA. 26 NOVEMBER TO 2 DECEMBER 1952, MALTA. HRH THE DUKE OF EDINBURGH VISITED THE FRIGATE HMS MAGPIE DURING HIS VISIT TO MALTA. HE COMMANDED MAGPIE IN THE MEDITERRANEAN FROM SEPTEMBER 1950 TO OCTOBER 1951.
HRH THE DUKE OF EDINBURGH IN MALTA. 26 NOVEMBER TO 2 DECEMBER 1952, MALTA. HRH THE DUKE OF EDINBURGH VISITED THE FRIGATE HMS MAGPIE DURING HIS VISIT TO MALTA. HE COMMANDED MAGPIE IN THE MEDITERRANEAN FROM SEPTEMBER 1950 TO OCTOBER 1951. © IWM (A 32419)

(PROBABLY 45ft British Power Boat)