The pilot reacts to the increased airspeed with back pressure, tightening the turn and increasing the rate of descent into what was known even then as the "graveyard spiral." Pilots who avoid an unintended bank are prone to begin overcontrolling as they chase the
airspeed indicator and altimeter, falling farther and farther behind the airplane.
The WingBug requires the current barometric pressure setting and tapping on the
airspeed indicator changes the units between MPH and knots.
Lion Air's first two attempts to address the
airspeed indicator problem didn't work, and for the Boeing 737 MAX 8 plane's second-to-last flight on Oct.
"We are formulating, with NTSB and Boeing, detailed inspections regarding the
airspeed indicator," he said, referring to the U.S.
The passengers are still beautiful, still smiling, and with the
airspeed indicator nudging mach .88, they'll hop right over the Atlantic in no time.
Dad-of-two Mr Blair said: "This was potentially very serious, not having the
airspeed indicator working leaves the danger of stalling.
3
Airspeed indicator. Displays cruise speed in knots.
IF THE TUBES AREN'T CLEAN AND DRY, YOU'LL HAVE PROBLEMS WITH THE
AIRSPEED INDICATOR, AND YOU WON'T KNOW YOUR AIRSPEED!
The SCADC is a vital component in that it receives inputs from the pitotstatic system, which in turn drives the barometric altimeter and
airspeed indicator, both of which are critical instruments for the aircrew.
The very next night after take-off, their
airspeed indicator failed, followed by the wireless transmitter.
This reviewer well remembers once trying to see just how fast his venerable Cessna 140 would fly, and the shivering and groaning of the main spar that ensued long before the red line on the
airspeed indicator was reached.
Without an operable altimeter,
airspeed indicator, or stall warning system, Major Howell used known pitch and power settings to keep his aircraft flying.