MUST BE
Class BSemi-displacementCruiser/Racer

MUST BE — LAT 464

Model: Dehler 42

DehlerJudel/Vrolijk

Updated

MUST BE (LAT 464) is a Dehler 42 designed by Judel/Vrolijk and built by Dehler. She has been racing since 2026. She sails with a smaller sail plan and a shallower keel than most Dehler 42s. Against a typical Dehler 42 she is slower upwind in light air, on a beam reach and downwind.

MUST BE LAT 464 - Judel/Vrolijk - Dehler

Racing record

66

Race Edge

Dehler 42: 60

524.2s/mile

Rating 2026

Race Edge by wind strength: how much she delivers beyond her rating, compared with the other boats in her class.

Under 10 kn28
10–16 kn85
Over 16 kn63
MUST BEA typical Dehler 42How Race Edge works
Compare with another boat

Length

12.40 m

40′ 8″

Beam

3.92 m

Draft

2.30 m

Displacement

8.8 t

Sail area

98 m²

On the podium

Where MUST BE finishes when she goes racing.

Not enough data yet for her podiums: we have not found her in a race with six boats or more, measured on handicap.

Regattas

Every regatta we found with MUST BE on the start line, named as the organisers publish them.

  • Pāvilosta Open2026111

Is there a race missing?Send us the results and we will add them here.

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How MUST BE compares with a typical Dehler 42

Her main 2026 measurements against the middle of the fleet: one boat per sail number, the latest full-crew configuration with spinnaker, Dehler 42s measured since 2025.

Above the line she is quicker than a typical Dehler 42; below, slower. Move the wind: plenty of boats sit on one side in the light and the other when it blows.

True wind
Upwind-0.30 kn
Beam reach-0.13 kn
Broad reach-0.05 kn
Downwind-0.11 kn

Full width is 0.4 kn either way.

At 10 knots she gives away time to a typical Dehler 42 on the upwind.

Speed at every angle

MUST BE in blue, a typical Dehler 42 dashed.

30°60°90°120°150°WIND

MUST BE in blue, a typical Dehler 42 dashed; green marks the closest useful beat and the deepest run worth sailing.

Other Dehler 42s racing

Every sister ship with results on TackRegatta, the most recently raced first.

More about the Dehler 42

Speed at every angle, Race Edge, the race record of the whole fleet and how the boats are set up.

Explore the design

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