The white motor yacht, then named Topaz, underway in calm blue water seen from above, with a helipad on the foredeck and radar domes on the top deck
A+ underway, still carrying her original name, Topaz.

A+

The largest superyacht delivered in 2012 up to August, designed by Tim Heywood outside and Terence Disdale inside, with two helipads and room for 62 guests.

147.25 m
Length
Lürssen
Shipyard
2012
Delivered
12,532
Gross tonnage

In short

A+ is a 147.25-metre motor yacht that Lürssen delivered in August 2012 under the name Topaz (Boat International), (YachtBuyer). When she left the yard in August she was the largest superyacht delivered so far that year and the fourth-largest in the world (Boat International); Boat International's directory now ranks her the ninth-longest yacht in the world (Boat International). Tim Heywood designed her exterior and Terence Disdale her interior, and her eight decks carry two helipads and accommodation for 62 guests in 26 cabins, with a crew of 79 (YachtBuyer), (Boat International). She was renamed A+ in 2019 and is not offered for charter (SuperYacht Times), (CharterWorld), (YachtCharterFleet).

Videos

Four tours from YouTube, most viewed first.

147.25m Lürssen A+ Yacht in Nafplio 🇬🇷SuperYacht Times · 9 May 2026 · 102,153 viewsWatch on YouTube
Launch of the Lürssen Motor Yacht TOPAZ - Carl Groll / TheYachtPhoto.comtheyachtphoto · 18 May 2012 · 19,981 viewsWatch on YouTube
Topaz / A+ | arrival of worlds 7th longest superyacht for Refit 2018 at LÜRSSEN | 4K-Quality-VideoUnimedien · 5 Oct 2018 · 15,301 viewsWatch on YouTube
147m Lürssen superyacht A+ ✨SuperYacht Times · 3 Sep 2024 · 10,575 viewsWatch on YouTube

Photos

Aerial view of the yacht moored at the Lürssen shipyard in Bremen, beside the yellow yard halls with the Lürssen sign, a helipad marked on the foredeck
At the Lürssen yard in Bremen, 8 August 2012, shortly before delivery
The yacht under way on a grey day, seen from the bow quarter, with crew on the foredeck
Seen from the bow quarter on a grey day
The yacht heading towards the camera on choppy brown water, an orange and white pilot boat alongside
Inbound on the River Weser with a pilot boat, September 2012
The yacht moored behind a ferry terminal car park at dusk, under a pink sky
Moored in port at dusk, September 2012
Close-up of the upper decks: the Topaz nameplate, white radar domes, black exhaust stacks and the mast with a red ensign
Upper decks and mast
Full side profile of the yacht berthed at a harbour wall, hills and port cranes behind
Berthed at the North Mole, Gibraltar, October 2012

Further reading

Independent coverage we found. We link to it rather than rewrite it.

Specifications

Length overall
147.25 m (483 ft 1 in)
Length at waterline
128.5 m
Beam
21.5 m
Draught
5.62 m
Gross tonnage
12,532
Displacement
9,487 tonnes
Decks
8
Shipyard
Lürssen, Bremen, Germany
Keel laid
4 May 2010
Launched
May 2012
Delivered
August 2012 (left the yard on 13 August)
Refit
2016 (as reported by YachtBuyer)
Former name
Topaz (renamed A+ in 2019)
Naval architecture
Lürssen
Exterior design
Tim Heywood Design
Interior design
Terence Disdale
Project management
Burgess
Construction
Steel hull, aluminium superstructure, teak decks
Classification
Built to Lloyd's Register standards
Flag
Cayman Islands
Guests
62 in 26 cabins
Crew
79
Helipads
2
Engines
Two VEM Sachsenwerk DKMEF 1241-16V, 6,000 kW each, plus a 2,100 kW Wärtsilä diesel-electric unit four MTU diesels in Boat International's directory
Speed
22.9 kn max, 19.5 kn cruising
Range
5,000 nautical miles at 17 kn
Fuel capacity
900,000 litres
Owner
Reported to be owned by Sheikh Mansour bin Zayed Al Nahyan (Boat International, February 2025)
Charter
Not offered for charter

Where is she now

Live AIS position on:

MarineTrafficVesselFinder

IMO 9551454 · MMSI 319054000

Questions

How big is the A+ yacht?
A+ is 147.25 metres (483 ft) long, with a beam of 21.5 metres, a draught of 5.62 metres and a gross tonnage of 12,532 (Boat International), (YachtBuyer). Boat International's directory ranks her the ninth-longest yacht in the world (Boat International).
Is A+ the same yacht as Topaz?
Yes. Lürssen launched and delivered her as Topaz in 2012, and she was renamed A+ in 2019 (YachtBuyer), (SuperYacht Times), (CharterWorld). She is a different yacht from the 119-metre motor yacht A (Boat International) and the 142.81-metre Sailing Yacht A (Boat International).
Who built and designed A+?
Lürssen built her in Bremen, Germany, and was also responsible for the naval architecture. Tim Heywood Design drew the exterior and Terence Disdale designed the interior (Boat International), (YachtBuyer).
When was A+ built?
Her keel was laid on 4 May 2010, she was launched in May 2012 and delivered in August 2012; she received a refit in 2016 (YachtBuyer). Boat International reported that she left Lürssen's Aumund yard on 13 August 2012 as the largest superyacht delivered so far that year (Boat International).
How many guests and crew does A+ carry?
Up to 62 guests in 26 cabins, with a crew of 79 (Boat International), (YachtBuyer). She has eight decks, a guest lift and two helipads (YachtBuyer).
What is on board A+?
Two helipads, a beach club with a connecting swim platform, a spa and massage room, a beauty salon, a gym, a cinema, a dance floor, two Jacuzzis and a guest lift serving all decks (YachtBuyer). YachtCharterFleet also lists a steam room (YachtCharterFleet).
Who owns A+?
Boat International reports that her owner is a member of the UAE elite, reportedly Sheikh Mansour bin Zayed Al Nahyan, Vice President and Deputy Prime Minister of the UAE (Boat International, February 2025).
Can you charter A+?
No. A+ is not offered for charter (YachtCharterFleet).
Where is A+ now?
Her live position is shown on public AIS trackers: MarineTraffic and VesselFinder. Search by IMO 9551454 or MMSI 319054000 (MaritimeOptima).

Compare with

Other Lürssen yachts close to A+ in length.

Opera yacht

Opera

146.35 m · Lürssen · 2023

Dilbar yacht

Dilbar

156 m · Lürssen · 2016

Sources (12)
  1. Boat International, Superyacht Directory: A+
  2. Boat International, Superyacht Topaz is delivered 14 Aug 2012
  3. YachtBuyer, A+
  4. SuperYacht Times, Fleet update: 147m Lürssen yacht Topaz renamed A+ 13 May 2019
  5. YachtCharterFleet, A+
  6. YachtCharterFleet, A+ brochure
  7. Boat International, Superyacht Directory: A
  8. Boat International, Superyacht Directory: Sailing Yacht A
  9. CharterWorld, A+ is the new name for the 147m giga yacht TOPAZ 13 May 2019
  10. Boat International, The top 25 largest yachts in the world 17 Feb 2025
  11. MaritimeOptima, A+ (IMO and MMSI)
  12. Wikipedia, A+ (yacht) (IMO and MMSI)