Review of Altura 39 Flying

Basic specs.

The Altura 39 Flying is a large motorboat designed in the late eighties. The Altura 39 Flying is built by the Italian yard Ferretti.

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Hull

Both the hull and the deck is made of hand laid fibreglass. Generally, a hull made of hand laid fibreglass requires only a minimum of maintenance during the sailing season.
The hull is a double hull which improves the indoor climate. Especially when the water is colder than the air in the cabin, then the double hull insulates against cold water and reduce the condense water in the cabin.
The deck is a double deck which improves the indoor climate.

Interior

The boat is equipped with 3 cabins, 6 berths, a galley, 600.0 liter fresh water capacity and toilet facility.

Engine

The boat may be equipped with dual inboard Caterpillar diesel engines at 640 hp (476 kW). Max speed is 30.0 knots.

The fuel tank, which is made of stainless steel, has a capacity of 1250.0 liters (330 US gallons, 274 imperial gallons).

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Altura 39 Flying is about 347 kg/cm, alternatively 1946 lbs/inch.
Meaning: if you load 347 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1946 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Altura 39 Flying is 3.31.

Compared with other similar motor boats it is more spacy than 50% of all other designs. It seems that the designer has chosen an average hull design.

Curiosities

Powerboat?

In Denmark, you are required to have achieved a 'powerboat driving license' in order to sail a powerboat.
In this context a boat is considered a powerboat if:

Danish definition of a powerboat

According to this definition this boat is categorized as a Powerboat.

Maintenance

Boat owner's ideas

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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Finally

We are always looking for new photos. If you can contribute with photos for Altura 39 Flying it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us. Criticism helps us to improve.

References

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.