AN MLG ACR CREW HAD A FAILURE OF THE CAPT'S PITOT-STATIC SYS ON TKOF.

Date: 1992-06 · Aircraft: Medium Large Transport; Low Wing; 2 Turbojet Eng

Anomalies: aircraft-equipment-problem-less-severe

Synopsis

AN MLG ACR CREW HAD A FAILURE OF THE CAPT'S PITOT-STATIC SYS ON TKOF.

Narrative

DURING TKOF ROLL; ABOVE 90 KTS IAS; I DISCOVERED I HAD NO AIRSPD INDICATION. (I DETERMINED MY AIRSPD BY LOOKING AT THE COPLT'S INDICATOR). CHOOSING NOT TO RISK A HIGH SPD ABORT; I CONTINUED TKOF AND WHEN SAFELY AIRBORNE; I TRANSFERRED ACFT CTL TO THE COPLT. WHEN ABOVE 15000 FT MSL (IN MOUNTAINOUS TERRAIN) IN A STABILIZED CLB WE ADDRESSED THE PROBLEM (WHICH ALSO INCLUDED MY ALT AND VSI); AS A CREW; USING ABNORMAL PROCS FROM THE PLT'S OPERATING MANUAL. AFTER SEVERAL ATTEMPTS TO RESOLVE PROBLEM; TO NO AVAIL; WE CONTACTED COMPANY FLT CTL (DISPATCH) AND MAINT CTL VIA COMPANY RADIO. I DESCRIBED PROBLEM AS A FAILURE OF CAPT'S PITOT-STATIC INSTS. MY STANDBY AIRSPD AND ALT SHOWED NORMAL INDICATIONS AND EXACTLY MATCHED THE COPLT'S INSTS. WE WERE NOW 45 MINS TO 1 HR INTO THE FLT. I MADE THE DECISION TO CONTINUE TO THE DEST (DALLAS/FT. WORTH) APPROX 1 1/2 HRS AWAY WHERE THE WX WAS GOOD. WE WERE IN VMC FOR THE ENTIRE FLT AND MADE A NORMAL APCH AND LNDG AT THE DEST WITH THE COPLT FLYING. AT NO TIME DURING THE FLT DID I FEEL THAT THE SAFETY OF THE FLT WAS IN JEOPARDY.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.