Ailia: ORC Rating

GPH

628.9

OSN

609.3

LOA

11.98 m

Displacement

8346 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6183

Medium

0.8623

High

1.0285

Triple Offshore

Low

0.809

Medium

1.0864

High

1.2523

Boat Specifications

Dimensions

Length overall: 11.98 m
Beam: 3.99 m
Draft: 2.11 m
Displacement: 8346 kg
Crew weight: 809 kg
Wetted surface: 35.94 m²

Sails

Mainsail: 41.97 m²
Genoa: 28.77 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 130.22 m²

Design

Type: Sun OD 409
Builder: Jeanneau
Designer: Philippe Briand
Year built: 2002

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,45,4.341636,52,4.77,60,5.09,75,5.34,90,5.73,110,5.83,120,5.66,135,5.03,144,4.54873,150,4.24
8,43.5,5.211102,52,5.77,60,6.1,75,6.44,90,6.93,110,7.08,120,6.91,135,6.27,147.5,5.513454,150,5.36
10,42,5.82659,52,6.54,60,6.88,75,7.23,90,7.66,110,7.78,120,7.68,135,7.26,147,6.569922,150,6.37
12,41.2,6.379459,52,7.13,60,7.39,75,7.62,90,8.02,110,8.2,120,8.12,135,7.82,148.5,7.271532,150,7.16
14,40.1,6.798084,52,7.51,60,7.71,75,7.88,90,8.19,110,8.61,120,8.55,135,8.22,150,7.621024
16,39.4,7.01406,52,7.72,60,7.92,75,8.11,90,8.31,110,8.99,120,9.03,135,8.66,150,7.94,174,7.108944
20,40.1,7.164135,52,7.84,60,8.1,75,8.51,90,8.69,110,9.46,120,9.95,135,9.62,150,8.54,178,7.914821

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.77	5.09	5.34	5.73	5.83	5.66	5.03	4.24
8	5.77	6.1	6.44	6.93	7.08	6.91	6.27	5.36
10	6.54	6.88	7.23	7.66	7.78	7.68	7.26	6.37
12	7.13	7.39	7.62	8.02	8.2	8.12	7.82	7.16
14	7.51	7.71	7.88	8.19	8.61	8.55	8.22	7.63
16	7.72	7.92	8.11	8.31	8.99	9.03	8.66	7.94
20	7.84	8.1	8.51	8.69	9.46	9.95	9.62	8.54

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.07	144°	3.68
8	43.5°	3.78	147.5°	4.65
10	42°	4.33	147°	5.51
12	41.2°	4.8	148.5°	6.2
14	40.1°	5.2	150°	6.6
16	39.4°	5.42	174°	7.07
20	40.1°	5.48	178°	7.91

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.77	5.77	6.54	7.13	7.51	7.72	7.84
60°	5.09	6.10	6.88	7.39	7.71	7.92	8.10
75°	5.34	6.44	7.23	7.62	7.88	8.11	8.51
90°	5.73	6.93	7.66	8.02	8.19	8.31	8.69
110°	5.83	7.08	7.78	8.20	8.61	8.99	9.46
120°	5.66	6.91	7.68	8.12	8.55	9.03	9.95
135°	5.03	6.27	7.26	7.82	8.22	8.66	9.62
150°	4.24	5.36	6.37	7.16	7.63	7.94	8.54