Suunto Vyper User Manual download pdf (Page 36)

3.5.3. Flying After Diving

The no-ﬂ ying time is shown in the center window next to the airplane image. Fly-

ing or traveling to a higher altitude should be avoided at any time the computer

counts down the no-ﬂ ying time.

NOTE! The airplane symbol is not shown on the stand-by display. You should

always activate the dive computer and check that the airplane symbol is not

displayed prior to ﬂ ying.

The no-ﬂ ying time is always at least 12 hours or equivalent to the so-called

desaturation time (if longer than 12 hours). In the permanent Error Mode and

GAUGE Mode the no-ﬂ ying time is 48 hours.

Flying or traveling to a higher altitude after a dive may signiﬁ cantly increase the

risk of decompression sickness.

WARNING!

YOU ARE ADVISED TO AVOID FLYING ANY TIME THE COMPUTER

COUNTS DOWN THE NO-FLYING TIME! Further, the Divers Alert Network

(DAN) advises as follows:

- A minimum surface interval of 12 hours would be required in order to be

reasonably assured a diver will remain symptom free upon ascent to altitude

in a commercial jetliner (altitude up to 2400 m [8000 ft]).

- Divers who plan to make daily, multiple dives for several days, or make dives

that require decompression stops, should take special precautions and wait for

an extended interval beyond 12 hours before ﬂ ight. Further, the Undersea and

Hyperbaric Medical Society (UHMS) suggests divers using standard air tanks

and exhibiting no symptoms of decompression sickness wait 24 hours after

their last dive to ﬂ y in an aircraft with cabin pressure up to 2400 m [8000 ft].

The only two exceptions to this recommendation are:

- If a diver had less than 2 hours total accumulated dive time in the last 48

hours, then a 12 hour surface interval before ﬂ ying is recommended.

- Following any dive that required a decompression stop, ﬂ ying should be

delayed for at least 24 hours, and if possible, for 48 hours.

SUUNTO recommends that ﬂ ying is avoided until all the DAN and UHMS

guidelines and the dive computer wait to ﬂ y conditions are satisﬁ ed.

WARNING!

THERE CAN NEVER BE A FLYING AFTER DIVING RULE THAT IS GUAR-

ANTEED TO PREVENT DECOMPRESSION SICKNESS COMPLETELY!

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Suunto Vyper User Manual Page 36