ORC Certificate for Fastair

Rated boat velocities in knots
Wind Velocity	4 kt	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt	24 kt
Beat Angles	44.7°	44.7°	41.2°	41.7°	38.7°	40.0°	44.4°	44.7°	44.7°
Beat VMG	2.82	3.73	4.33	4.73	4.80	4.92	5.19	5.44	5.33
52°	4.52	5.73	6.41	7.01	7.06	7.44	8.24	8.74	8.55
60°	4.80	6.03	6.72	7.47	7.58	8.17	9.51	10.38	9.52
75°	5.01	6.29	7.08	8.25	8.67	9.89	12.27	14.05	13.64
90°	5.03	6.32	7.21	8.78	9.67	11.76	14.93	18.19	18.70
110°	4.64	6.09	7.18	8.75	10.72	13.36	15.25	17.02	20.14
120°	4.48	5.94	7.01	8.36	10.45	12.56	15.13	18.80	19.19
135°	3.87	5.33	6.48	7.46	8.78	10.73	12.92	16.97	20.74
150°	3.10	4.47	5.67	6.54	7.43	8.76	10.58	14.14	17.36
Run VMG	2.69	3.88	4.91	5.67	6.43	7.59	9.16	12.24	15.04
Gybe Angles	142.1°	142.1°	148.0°	151.2°	148.2°	133.9°	136.7°	139.7°	143.9°

MHR:499.3CertNo:MC202

BOAT

ClassGrainger 075 Mk2modDesignerGraingerBuilderDavidAge date01/2000Series date01/1992Offset fileGrainger_8m_Fastair.offData fileMC202-Grainger-Fastair

HULL

Length Overall8.300 mMaximum Beam6.052 mDraft1.607 mDisplacement1,295 kgDLR2.4887Dynamic Allowance0.320%Age Allowance0.487%RSA0.000%

PROPELLER

InstallationNo PropellerTypeN/ADiameterN/A

CREW

Weight265 kgCrew Arm Extension

SAIL AREAS (m²)

MeasuredRatedMainsail26.2128.99Headsail Luffed13.7213.72Headsail Flying25.11SymmetricAsymmetric51.41

The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.

Time Allowances in secs/NM
Selected Courses
Wind Velocity	4 kt	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt	24 kt
Beat VMG	1274.5	966.1	831.6	760.9	750.1	732.4	693.2	661.5	675.7
52°	796.1	627.9	561.4	513.9	509.7	483.9	436.7	411.9	420.9
60°	749.6	596.5	535.8	482.1	474.7	440.4	378.8	346.7	378.1
75°	719.3	572.6	508.1	436.6	415.2	364.1	293.5	256.3	264.0
90°	715.8	569.7	499.1	409.9	372.5	306.0	241.2	197.9	192.6
110°	775.1	591.5	501.4	411.4	335.8	269.5	236.0	211.5	178.7
120°	803.5	605.9	513.3	430.6	344.6	286.6	237.9	191.5	187.6
135°	930.0	675.2	555.3	482.3	409.8	335.4	278.5	212.2	173.5
150°	1161.7	804.6	634.5	550.4	484.6	410.8	340.3	254.7	207.3
Run VMG	1340.7	929.0	732.6	634.9	559.6	474.4	393.0	294.1	239.4
Windward / Leeward	1302.7	947.6	782.1	697.9	654.9	603.4	543.1	477.8	457.5
All purpose	967.8	725.8	613.1	537.8	496.2	445.3	390.9	342.7	330.3

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	660.5	0.9084
All purpose	499.3	1.2017

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Lightship Trim)

ClassGrainger 075 Mk2modMeasurementHIN

LOA8.300Max. Beam6.052Draft1.607Displacement1,295Dspl lightship1,030Wetted area9.27

Superstructure frontal area2.31Superstructure lateral area7.58Default crew weight265Declared crew weightN/A

PROPELLER

Propeller TypeNo Propeller

Hydro generatorNo

RIG

Single headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Jumper strutsNoRotating mastNoMast rakeMast cant angle0°

P9.650IG7.500ISP8.750MDT10.090MDL10.140MDT20.090MDL20.140TLMW0.140GO0.140

E3.560J3.340JZ0.781BAS0.630FSDSFJ0.220SPLWPLTPS4.300BD

ForetrianglesIdITPTPZComment07.5003.3400.781main forestay08.7504.3000.781ISP/TPS18.7404.2900.741code 0

FLOTATION

Flotation Date02/07/2026

BALLAST

TANKS

INVENTORY

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain1.201.402.103.003.5126.2128/05/2025widths adjusted to avoid return curve

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateComment

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentHSF10.000.600.802.453.755.2810.20No3025.1129/05/2025Jib260.003.507.70NoNo013.7203/07/2026"add 0.4m to foot of jib.."

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateComment

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentKite2610.9510.2010.585.746.2192%051.41SLU,SLE estimated to target area

MIZZEN STAYSAIL

IdYSHFYSHWYSFLAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment