PCT CTLR EXPRESSED CONCERN REGARDING THE SAFETY IMPACT OF CLB PROCEDURES UTILIZED AT ONE COMPANY.

2005-11 · NASA ASRS report 677004

Date: 2005-11 · Aircraft: Medium Large Transport

Anomalies: other-unanticipated-reduced-spd-on-dep

Synopsis

PCT CTLR EXPRESSED CONCERN REGARDING THE SAFETY IMPACT OF CLB PROCEDURES UTILIZED AT ONE COMPANY.

Narrative

ACR X HAS DIRECTIVES TO THEIR PLTS TO CLB TO 3000 FT ON DEP AT REDUCED AIRSPD. UPON REACHING 3000 FT; THE PLT LEVELS OFF AND INCREASES THEIR SPD. ONCE REACHING A SAFE CLB SPD; THE ACFT CLBS AT HALF THE RATE OF ANY TURBO POWERED ACFT IN THE SKY. IT IS NECESSARY; AND HAS BECOME A STANDARD TO GIVE THIS AIRLINE A XING RESTRICTION WHEN THEY ARE CLBING. MOST PLTS MAKE THE RESTRICTION; HOWEVER; SOME DO NOT AND SOME DO NOT CARE OR DO NOT ADVISE ATC THAT THEY CAN'T MAKE IT. ONE PLT TOLD ME THAT IN ORDER TO MAKE THE XING RESTRICTION THAT WAS ISSUED; HE WOULD HAVE TO FLY HIS ACFT AT 180 KTS IN THE CLB. THE XING RESTRICTIONS ARE NOT EXCESSIVE. OTHER AIRLINES; WHO CLB AT A NORMAL RATE OF CLB; ARE AT THE ALTS THEY NEED TO BE AT WITHOUT A XING RESTRICTION. ANOTHER PLT WITH ACR X HAS ADVISED US THAT THEY CLB AT REDUCED POWER TO EITHER SAVE GAS OR TO ADD THE LIFESPAN TO THE ENGS. THIS IS UNACCEPTABLE. IT COMPROMISES SAFETY WHEN A DEP IS 20 MILES S OF THE DEP ARPT; STRUGGLING OUT OF 7000 FT; GETTING IN THE WAY OF THE ARRS TO THE SAME ARPT. THIS NEEDS TO END.

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

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