SA =
Main – 49 sqm / 527.43 sqft
Genoa – 40 sqm / 430.56 sqft
Symmetric spinnaker – 138 sqm / 1485.42 sqft

Reported SA = main + 110% jib.

GRT: 21.10
NRT: 18.99

Fixed keel version is called the Discovery 54.

Shoal keel available. Draft 6.08 ft / 1.85 m.
SA: 140% furling Genoa – 1,047 sqft / 97.3 sqm

Swing keel version is called the Southerly 540.

Hull length: 14.8m / 48ft.
Shoal keel draft: 1.85m / 6.08ft
Also called the Revelation 480 (2018)
Renamed the 48 L (Raised saloon) and 48 R (Lowered saloon) (Not a typo. This is according to their website in 2021). (They also report Stephen Jones as the designer for these versions)
Swing keel version is the Southerly 480. Discovery marketed the swing keel version as the 48 (along with the fixed keel version ) in 2019 then as the Discovery 48S in 2021.
Swing keel draft: 1 – 3.12m / 3.25 – 10.17ft
Centerline skeg fitted to protect prop.

Hull length: 9.99m / 32.75′