A B727 flight crew made a high speed rejected the takeoff for erroneous airspeed indications at gum.

Attributes
ACN	437128
Time
Date	199905
Day	Mon
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : gum.airport
State Reference	FO
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 15000 flight time type : 800
ASRS Report	437128
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa other flight crewb other other : 3
Resolutory Action	flight crew : rejected takeoff
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

At V1 call (129 KTS), captain airspeed indicated 100 KTS. Rejected takeoff initiated at 130 KTS on first officer airspeed, 100 KTS on captain airspeed. Takeoff gross weight 150000 pounds. Cleared runway at the end and accomplished all relevant checklists. Maintenance checked for hot brakes before proceeding to gate.

Original NASA ASRS Text

Title: A B727 FLC MADE A HIGH SPD REJECTED THE TKOF FOR ERRONEOUS AIRSPD INDICATIONS AT GUM.

Narrative: AT V1 CALL (129 KTS), CAPT AIRSPD INDICATED 100 KTS. REJECTED TKOF INITIATED AT 130 KTS ON FO AIRSPD, 100 KTS ON CAPT AIRSPD. TKOF GROSS WT 150000 LBS. CLRED RWY AT THE END AND ACCOMPLISHED ALL RELEVANT CHKLISTS. MAINT CHKED FOR HOT BRAKES BEFORE PROCEEDING TO GATE.

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.