|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||0601-1200|
|Make Model Name||B737 Undifferentiated or Other Model|
|Operating Under FAR Part||Part 121|
|Aircraft Component||Airspeed Indicator|
|Anomaly||Aircraft Equipment Problem Critical|
On takeoff at 50-55KTS captains IAS needle went to '0' with associated red IAS off flag. Cross reference showed first officer airspeed working nominal. Reject started at 55KTS (captain flying) rejected takeoff function did not engage. Checked brake energy chart in QRH and spoke with dispatch & maintenance control via cellphone to verify safe brakes in gate area. Returned to gate. Maintenance determined captains airspeed indicator had failed. All in all - an almost non-event.
Original NASA ASRS Text
Title: B737 flight crew rejected takeoff at less than 60KTS when the Captain's airspeed indicator failed.
Narrative: On takeoff at 50-55KTS Captains IAS needle went to '0' with associated red IAS OFF flag. Cross reference showed First Officer airspeed working nominal. Reject started at 55KTS (Captain flying) RTO function DID NOT engage. Checked brake energy chart in QRH and spoke with Dispatch & Maintenance Control via cellphone to verify safe brakes in gate area. Returned to gate. Maintenance determined Captains airspeed indicator had failed. All in all - an almost non-event.
Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.