<< >> NASA ASRS Report 333180, April 1996

After being held high with a late descent and speed restr clearance, flight crew could make the altitude restr, but were still too fast. Because the ATC frequency was congested, the flight crew was unable to notify the controller of their speed immediately, but when finally contacting ATC, they acknowledged and told them to slow and descend further.

Attributes
ACN	333180
Time
Date	199604
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : tnv airport : iah
State Reference	TX
Altitude	msl bound lower : 10000 msl bound upper : 10000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : iah
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise other descent : approach descent other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 15000 flight time type : 6400
ASRS Report	333180
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : private pilot : instrument pilot : flight engineer pilot : commercial pilot : atp
Experience	flight time last 90 days : 250 flight time total : 4300 flight time type : 1000
ASRS Report	333179
Events
Anomaly	non adherence : clearance other anomaly
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

ZHU vectors and altitude restr placed us high to make navasota 125 degree radial 7 mi fix at 10000 ft and 250 KTS. Altitude restr of 10000 ft was made, however, we planned to tell houston approach we would be fast. The radio was very busy and when we finally contacted approach control we informed the controller as to our dilemma. The controller acknowledged and we were told to expedite our speed reduction and a descent to 6000 ft. No problems arose from this however, an earlier handoff from the center to approach would probably have taken care of the expeditious relay of pertinent information.

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Original NASA ASRS Text

Title: AFTER BEING HELD HIGH WITH A LATE DSCNT AND SPD RESTR CLRNC, FLC COULD MAKE THE ALT RESTR, BUT WERE STILL TOO FAST. BECAUSE THE ATC FREQ WAS CONGESTED, THE FLC WAS UNABLE TO NOTIFY THE CTLR OF THEIR SPD IMMEDIATELY, BUT WHEN FINALLY CONTACTING ATC, THEY ACKNOWLEDGED AND TOLD THEM TO SLOW AND DSND FURTHER.

Narrative: ZHU VECTORS AND ALT RESTR PLACED US HIGH TO MAKE NAVASOTA 125 DEG RADIAL 7 MI FIX AT 10000 FT AND 250 KTS. ALT RESTR OF 10000 FT WAS MADE, HOWEVER, WE PLANNED TO TELL HOUSTON APCH WE WOULD BE FAST. THE RADIO WAS VERY BUSY AND WHEN WE FINALLY CONTACTED APCH CTL WE INFORMED THE CTLR AS TO OUR DILEMMA. THE CTLR ACKNOWLEDGED AND WE WERE TOLD TO EXPEDITE OUR SPD REDUCTION AND A DSCNT TO 6000 FT. NO PROBS AROSE FROM THIS HOWEVER, AN EARLIER HDOF FROM THE CTR TO APCH WOULD PROBABLY HAVE TAKEN CARE OF THE EXPEDITIOUS RELAY OF PERTINENT INFO.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.