ALT BUST.

Date: 1994-05 · Aircraft: B767-300 and 300 ER

Anomalies: deviation-altitude-overshoot|deviation-discrepancy-procedural-published-material-policy|deviation-discrepancy-procedural-clearance|other-unspecified

Synopsis

ALT BUST.

Narrative

RECEIVED COMPLETE RTE REVISION JUST PRIOR TO PUSHBACK. RELOADED FMC AFTER CALLING CLRNC DELIVERY FOR FULL RTE CLRNC. CAPT WAS PF. AT 800 FT CAPT CALLS FOR FLAPS 1 AND VNAV. I SELECTED FLAPS 1; PRESSED 'FLCH' (B767-300) AND DIALED IN 250 KTS SINCE CAPT ALREADY AT 242 KTS PASSING 1100 FT AND CALLING FOR FLAPS UP. CALLED OUT '1000 FT FOR 2000 FT' TO CAPT AND CALLED DEP CTL '1200 FT FOR 2000 FT.' WRONG FREQ. DIALED CORRECT FREQ.AND GAVE CAPT FLAPS UP. THEN HE CALLED FOR 220 DEG HDG. GAVE IT TO HIM THEN DOUBLE CHKED EVERYTHING AND FOUND 'FLCH' NEVER TOOK. PRESSED FLCH AGAIN. REALIZED CAPT WAS PASSING 2500 FT AT 4000 FT FPM. LEVELED AT 3000 FT CALLED DEP CTL AND THEY CLRED US TO 13000 FT WITH NO COMMENT ABOUT ALT DIVERSION. BECAUSE 767-300 HAS SO MUCH EXCESS THRUST AND FMC/AUTOTHROTTLE COMPUTER IS SO SLOW TO ACT. MOST PLTS CLICK AUTOTHROTTLE OFF AT 1000-1200 FT AND REDUCE PWR BY 1/2 WHICH STILL YIELDS 3000 FPM IF ACFT IS LIGHT. WE SCREWED UP SEVERAL LITTLE THINGS WHICH RESULTED IN LARGE ALT ERROR. CAPT WAS FLYING FLT DIRECTOR; NOT THE AIRPLANE. TOO MANY THINGS HAPPEN ON LAX DEP. 1) 800 FT: DECREASE PITCH. 2) 1000 FT: FLAPS 1; VNAV. 3) 1200 FT: CALL DEP CTL. 4) 1400 FT: TURN L 220 DEGS PASSING SMO 160 DEG RADIAL. 5) 1600 FT: FLAPS UP. 6) WATCH FOR TFC. 7) LEVEL AT 2000 FT. TOO MANY THINGS HAPPENING IN AN ACFT CLBING AT 6000-7000 FPM UNTIL AT LEAST 1000 FT. SUPPLEMENTAL INFO FROM ACN 272353: UPON CALLING FOR APPROPRIATE CLB THRUST THE WRONG THRUST WAS SET DUE TO MISCOM. OUR ATTN WAS DISTR BY THE RESULTING INCREASE IN AIRSPD. PWR WAS REDUCED BUT THE ACFT CLBED THROUGH 2000 FT. BEFORE WE WERE ABLE TO REACT PROPERLY. COCKPIT COM SHOULD HAVE BEEN CLRED. THAT WOULD HAVE PRECLUDED THE WHOLE SIT.

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