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A canadair CL65 regional jet during takeoff rejected the takeoff due to erratic first officer's airspeed indications and a 20 KT difference between captain's and first officer's instruments.
| Attributes | |
| ACN | 392966 |
| Time | |
| Date | 199802 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Challenger CL604 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : takeoff other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 250 flight time total : 6500 flight time type : 2000 |
| ASRS Report | 392966 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 7500 flight time type : 2500 |
| ASRS Report | 393151 |
| Events | |
| Anomaly | aircraft equipment problem : critical non adherence : published procedure non adherence : far other anomaly other |
| Independent Detector | other flight crewa other other : unspecified cockpit |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
During takeoff on runway 27 we had erratic airspeed indications. Aborted the takeoff. ATC was notified of the abort, and we taxied to the ramp. Callback conversation with reporter revealed the following information: the reporter stated the aircraft was a canadair CL65 regional jet and had the first officer's pitot static system checked for erratic airspeed indications on an overnight layover. The reporter said they were the first crew to fly the aircraft after maintenance and the logbook sign-off indicated the fix was draining water from the pitot static lines. The reporter stated after rejecting the takeoff and writing a new maintenance gripe there was no report from maintenance on what was the positive fix.
Original NASA ASRS Text
Title: A CANADAIR CL65 REGIONAL JET DURING TKOF REJECTED THE TKOF DUE TO ERRATIC FO'S AIRSPD INDICATIONS AND A 20 KT DIFFERENCE BTWN CAPT'S AND FO'S INSTS.
Narrative: DURING TKOF ON RWY 27 WE HAD ERRATIC AIRSPD INDICATIONS. ABORTED THE TKOF. ATC WAS NOTIFIED OF THE ABORT, AND WE TAXIED TO THE RAMP. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT WAS A CANADAIR CL65 REGIONAL JET AND HAD THE FO'S PITOT STATIC SYS CHKED FOR ERRATIC AIRSPD INDICATIONS ON AN OVERNIGHT LAYOVER. THE RPTR SAID THEY WERE THE FIRST CREW TO FLY THE ACFT AFTER MAINT AND THE LOGBOOK SIGN-OFF INDICATED THE FIX WAS DRAINING WATER FROM THE PITOT STATIC LINES. THE RPTR STATED AFTER REJECTING THE TKOF AND WRITING A NEW MAINT GRIPE THERE WAS NO RPT FROM MAINT ON WHAT WAS THE POSITIVE FIX.
Data retrieved from NASA's ASRS site as of July 2007 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.