i would saysqueeeoooop was a fair approximation of a swany whistle
(
Tom OBedlam I have control of a tank,
Fri 18 Jan 2008, 15:59,
archived)
Not badgiven the challenges of the current state of internet phonetics...
( barryheadwound Mul-ti-pass? Multipass!,
Fri 18 Jan 2008, 16:00,
archived)