If one believes that the pitot side (all the way from the pitot tube to the
AS) is good, then the static side should be checked. Did the mechanic actually
test the pitot part of the system by pressurizing the wing mounted pitot tube as
opposed to supplying pressure to the AS pitot port? Can you test the pitot
system with the engine running as vibration might expose
the problem. Was it tested with the cockpit pressurized?
The pitot/static systems only come together in possibly 3 places - AS
indicator, air speed driven squat switch and an AOI system (if any). Is it
possible that air pressure related to air speed is getting into the static side
- i.e. was your VS or altimeter operating properly during the takeoff roll and
the short flight? Is it possible that there is water in the static
line? Could you try to pressurize (lower) the static system at the
static port and check that the VS and altimeter are operating
properly?
Scott Krueger
AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL
(KARR)
Darwinian culling phrase: Watch
This!