FLT CREW OF ACR OVERSHOOTS ASSIGNED ALT DUE TO FAILURE TO RESET ALTIMETERS CLBING THROUGH FL180.

Date: 1995-01 · Aircraft: Commercial Fixed Wing

Anomalies: aircraft-equipment-problem-less-severe|deviation-altitude-overshoot|deviation-discrepancy-procedural-clearance

Synopsis

FLT CREW OF ACR OVERSHOOTS ASSIGNED ALT DUE TO FAILURE TO RESET ALTIMETERS CLBING THROUGH FL180.

Narrative

AT APPROX 15000 FT CLBING IN ICING CONDITIONS; S FROM ANC; HAD BEEN CLRED DIRECT TO JOH VOR AND TO FL330. CREW EXPERIENCED A MINOR ELECTRICAL MALFUNCTION. DURING CHKLIST COMPLIANCE WITH 2 MAN CREW; THE ENRTE CLB CHKLIST WAS OVERLOOKED (AT LEAST THE ALTIMETER SETTING PORTION). ALTIMETER SETTING ON THE GND WAS 28.99. LEVELED OFF AT FL330. CTR PROMPTLY ASKED OUR ALT AND WE RESPONDED FL330. THE CTR SAID CHK YOUR ALTIMETER SETTING; WE HAVE YOU AT 33800 FT. CREW PROMPTLY REALIZED OUR OMISSION; QUICKLY RESET AND WENT TO PROPER ALT; THANKED THE CTLR AND CONTINUED. THERE WAS NO CONFLICT OR URGENCY FROM THE CTLR. WE ARE STANDARDIZED QUITE WELL ON CHKLIST PROCS AND IN 30 YRS FLYING; THIS IS FIRST EXCURSION OF THIS TYPE. WE DO NOT NORMALLY FLY WITH 2 PLTS; BUT ARE SOMEWHAT SHORTHANDED AND A THIRD NOT AVAILABLE. I THINK THE DISTR OF SYS PROB APPROX AT TRANSITION ALT; AND THE FACT THAT WE DIDN'T HAVE OUR USUAL SET OF EXTRA HANDS AND EYES; WERE BOTH FACTORS; BUT NOT EXCUSES. IT WAS SIMPLY A MISTAKE/OMISSION THAT PROBABLY AND HOPEFULLY WILL NOT RECUR. SUPPLEMENTAL INFO FROM ACN 294799: WE RECEIVED A GENERATOR FAULT ALERT. WE ACCOMPLISHED THE APPLICABLE CHKLIST ITEMS WHILE I FLEW THE ACFT ON AUTOPLT. THE CHKLIST CLEANUP WAS FOLLOWED BY AN EPCU FAULT ALERT (ELECTRICAL PWR CTL UNIT).

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