ON AN UNSTABLE APCH WITH EXCESSIVE SPD AND NOT CONFIGURED FOR LNDG; B777-200 FLT CREW FAIL TO COMMAND GAR UNTIL LATE IN APCH.

2005-11 · NASA ASRS report 676647

Date: 2005-11 · Aircraft: B777-200 · Phase: approach

Anomalies: deviation-discrepancy-procedural-far|deviation-discrepancy-procedural-published-material-policy|inflight-event-encounter-unstabilized-approach

Synopsis

ON AN UNSTABLE APCH WITH EXCESSIVE SPD AND NOT CONFIGURED FOR LNDG; B777-200 FLT CREW FAIL TO COMMAND GAR UNTIL LATE IN APCH.

Narrative

THIS WAS FIRST DAY OF 3-DAY EDDM TRIP. NORMAL FLT FROM PREFLT TO ENRTE TO DSCNT INTO EDDM. CAPT WAS PNF; #1 FO WAS PF; #2 FO WAS RELIEF PLT FOR APCH AND LNDG IN EDDM. PF RETURNED TO COCKPIT AFTER APPROX 2 HR REST BREAK AS INITIAL DSCNT BEGAN. NORMAL DSCNT PROCS AND VECTORING FOR ABOUT 15 MINS; THEN APCH CTL CLRED FLT FROM PRESENT POS ON BETOS 8 ARR TO DM441; A POINT ON EXTENDED FINAL TO RWY 8R. DSNDING THROUGH 6000 FT; DRAG WAS SUGGESTED BY PNF; SPD 250 KTS. AT 5000 FT ON EXTENDED FINAL; GS WAS INTERCEPTED ALONG WITH LOC; AND ACFT CONTINUED FAST GETTING HIGH WHILE TRYING TO DSND. PNF AGAIN SUGGESTED DRAG BUT PF CONTINUED ON DSCNT MAINTAINING GS BUT ACTUALLY PICKING UP SPD. PNF THEN ADVOCATED GEAR DOWN. GEAR LOWERED BUT STILL NO SPD BRAKES. ACFT DECELERATED SLOWLY; FLAPS WERE LOWERED TO 1 DEG; THEN 5 DEGS AT ABOUT THE SAME TIME AS FAF PASSAGE. FINAL DSCNT CHKLIST COMPLETED. TWR CLRED US TO LAND; BUT SPD WAS NOT DECREASING BELOW ABOUT 210 KTS; AND FURTHER FLAPS WERE CALLED FOR BUT NOT SELECTED DUE TO SPD. AT THIS POINT STABILIZED APCH CRITERIA WERE ALREADY EXCEEDED. PNF MADE 1000 FT CALL; PF RESPONDED; ACFT CONTINUED ON GS BUT NOT SLOWING. PNF MADE 500 FT CALL AND FIRST CALLED FOR GAR IMMEDIATELY AFTER CALL. RELIEF PLT IMMEDIATELY REINFORCED CALL. INITIALLY PF DID NOT RESPOND; OR DID SO HESITANTLY. I BELIEVE PNF REPEATED GAR AND RELIEF PLT YELLED 'PULL UP' JUST AS PNF TOOK CTL; ADDING THRUST AND AGGRESSIVELY PULLING UP. 200 FT TERRAIN WARNING SOUNDED DURING MANEUVER DUE TO ACFT NOT IN LNDG CONFIGN. ACFT CLBED OUT ON CHARTED MISSED APCH PROC; WAS CLRED FOR ANOTHER APCH; AND A NORMAL CAT 1 ILS APCH AND LNDG WAS COMPLETED BY ORIGINAL PF; THIS TIME WITH AUTOPLT ON UNTIL DISCONNECT OVER APCH LIGHTS WITH RWY IN SIGHT. AFTER TAXI IN; ALL 3 CREW MEMBERS BRIEFLY DISCUSSED SITUATION AND AGREED LACK OF STABILIZED APCH CRITERIA WAS RECOGNIZED EARLY BY PNF AND RELIEF; BUT GAR WAS NOT COMMANDED UNTIL FAR TOO LATE. THAT WAS THE FACT; AND SOP WAS CLRLY VIOLATED. THE HUMAN FACTOR REASONS FOR SUCH DELAY COULD BE TALLIED UNDER SEVERAL HDGS: A BELIEF THAT A FELLOW PLT WOULD CORRECT THE SIT; A RELUCTANCE TO COMMAND ACTION SINCE RECOMMENDATIONS ARE NORMALLY ADEQUATE; A FALSE SENSE THAT THE PF RECOGNIZES THE DETERIORATING SITUATION AND IS PRIMED TO GO AROUND; AND A STRONG RELUCTANCE TO PHYSICALLY TAKE CTL AWAY FROM THE PF.

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

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