Avionics Report

August 2001 Issue

HSI Flyoff

We love the Sandel but at the bargain end of the spectrum, Century’s NSD360A is hard to beat.


Sometime during the 1990s—we can’t say when—we noticed an expectation shift among owners and avionics buyers. Until then, HSIs were considered standard in twins and jets, relative rarities in low-end singles.

Frankly, we found it amusing when a Skyhawk or Archer owner inquired about HSI retrofits. (Ho-hum...another tire kicker.)

All that’s changed. Owners of all sorts of airplanes—from four-place cruisers on up—want and will pay for HSIs and many who already have them want a better one. With two all-glass designs out there—from Sandel and soon, Bendix/King—the market doesn’t lack an upper end.

Not that it would matter much if it did or even if the top-of-the-line push...

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