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A320 flight crew reports first officer's airspeed failure at 100 KTS during takeoff. The captain assumes control and continues the takeoff. First attempt at switching the first officer to AD3 is unsuccessful and the crew elects to return to the departure airport; although the second attempt is successful.
| Attributes | |
| ACN | 1012233 |
| Time | |
| Date | 201205 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | Marginal |
| Aircraft 1 | |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Air Data Computer |
| Person 1 | |
| Function | Pilot Flying First Officer |
| Experience | Flight Crew Last 90 Days 105 Flight Crew Total 12700 Flight Crew Type 4778 |
| Person 2 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 100 Flight Crew Total 23500 Flight Crew Type 7000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
At 100 KIAS the first officer airspeed tape went red; lost airspeed indication. First officer; who was pilot flying; announced 'airspeed failure; take controls'. Captain immediately took controls and executed a normal takeoff profile. First officer reverted to pilot not flying. Captain asked me to complete after takeoff checklist; coordinate for a return with departure control and dispatch. With autopilot 1 engaged; FMGC programmed; all checklists complete and on vectors; first officer's air data switch was selected to AD3 with no restoration of speed tape. Switch was returned to normal and back to AD3 with a successful restoration of airspeed indication. [We] executed an uneventful landing.
Original NASA ASRS Text
Title: A320 flight crew reports First Officer's airspeed failure at 100 KTS during takeoff. The Captain assumes control and continues the takeoff. First attempt at switching the First Officer to AD3 is unsuccessful and the crew elects to return to the departure airport; although the second attempt is successful.
Narrative: At 100 KIAS the First Officer airspeed tape went red; lost airspeed indication. First Officer; who was pilot flying; announced 'airspeed failure; take controls'. Captain immediately took controls and executed a normal takeoff profile. First Officer reverted to pilot not flying. Captain asked me to complete after takeoff checklist; coordinate for a return with Departure Control and Dispatch. With autopilot 1 engaged; FMGC programmed; all checklists complete and on vectors; First Officer's air data switch was selected to AD3 with no restoration of speed tape. Switch was returned to normal and back to AD3 with a successful restoration of airspeed indication. [We] executed an uneventful landing.
Data retrieved from NASA's ASRS site as of July 2013 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.