<< >> NASA ASRS Report 749595, August 2007

Flight crew of B737-700 mishear visual approach clearance to runway 12R at hou. Descend below cleared altitude prior to jabbs intersection.

Attributes
ACN	749595
Time
Date	200708
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : hou.airport
State Reference	TX
Altitude	msl single value : 2500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : i90.tracon
Operator	common carrier : air carrier
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 68 flight time type : 68
ASRS Report	749595
Person 2
Affiliation	government : faa
Function	controller : approach
Events
Anomaly	altitude deviation : crossing restriction not met altitude deviation : overshoot non adherence : clearance non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance
Supplementary
Problem Areas	Chart Or Publication Flight Crew Human Performance ATC Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Descending into hou we were cleared to cross jabbs at or above 4000 ft and cleared for the visual approach to runway 12R. Both the captain and I heard cleared to cross jabbs at or above 2000 ft and cleared for the visual approach to runway 12R. The captain read back; 'cleared to cross jabbs at or above 2000 ft; cleared for the visual approach runway 12R.' as we descended through 2500 ft the controller told us that we were clear to cross jabbs at or above 4000 ft. I leveled the aircraft off and the captain asked if they wanted us to climb back up. The controller said no and that he wished they would change the approach chart. Then he cleared us again for the visual approach to runway 12R. The approach chart for the ILS runway 12R needs to reflect 4000 ft if that is what is desired for this approach.

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Original NASA ASRS Text

Title: FLT CREW OF B737-700 MISHEAR VISUAL APCH CLRNC TO RWY 12R AT HOU. DESCEND BELOW CLRED ALT PRIOR TO JABBS INTERSECTION.

Narrative: DSNDING INTO HOU WE WERE CLRED TO CROSS JABBS AT OR ABOVE 4000 FT AND CLRED FOR THE VISUAL APCH TO RWY 12R. BOTH THE CAPT AND I HEARD CLRED TO CROSS JABBS AT OR ABOVE 2000 FT AND CLRED FOR THE VISUAL APCH TO RWY 12R. THE CAPT READ BACK; 'CLRED TO CROSS JABBS AT OR ABOVE 2000 FT; CLRED FOR THE VISUAL APCH RWY 12R.' AS WE DSNDED THROUGH 2500 FT THE CTLR TOLD US THAT WE WERE CLR TO CROSS JABBS AT OR ABOVE 4000 FT. I LEVELED THE ACFT OFF AND THE CAPT ASKED IF THEY WANTED US TO CLB BACK UP. THE CTLR SAID NO AND THAT HE WISHED THEY WOULD CHANGE THE APCH CHART. THEN HE CLRED US AGAIN FOR THE VISUAL APCH TO RWY 12R. THE APCH CHART FOR THE ILS RWY 12R NEEDS TO REFLECT 4000 FT IF THAT IS WHAT IS DESIRED FOR THIS APCH.

Data retrieved from NASA's ASRS site as of January 2009 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.