<< >> NASA ASRS Report 590848, July 2003

B757-200 crew appeared to have a small map shift departing lax on the holtz five RNAV departure. This resulted in a track deviation.

Attributes
ACN	590848
Time
Date	200307
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : lax.airport
State Reference	CA
Altitude	msl single value : 400
Environment
Light	Dawn
Aircraft 1
Controlling Facilities	tower : lax.tower
Operator	common carrier : air carrier
Make Model Name	B737-200
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	590848
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	other spatial deviation
Independent Detector	other controllera
Consequence	other
Supplementary
Problem Areas	Flight Crew Human Performance Company Chart Or Publication Aircraft
Primary Problem	Company
Air Traffic Incident	Pilot Deviation
Situations
Chart	star : holtz 5

Narrative:

Hotz 5 departure lax. First officer was PF. LNAV engaged and commanded slight right turn. He followed LNAV commands and when I saw aircraft start to turn I rechked HSI and saw we were south off course but apparently enough for LNAV to command right turn. ATC then assigned a heading of 220 degrees and we complied. ATC then advised of possible conflict. I plan to submit a complete debrief, but am quite sure and confident that departure was flown correctly and we did exactly what the FMC commanded. Please note that there is no way to xchk position except magenta (no published data to back up position) on this departure. We did not perform a quick align because the aircraft symbol was touching the runway as I taxied into position per information pages. This departure needs to be investigated as it appears there is no room whatsoever for any error. I spoke to ATC and they indicate there have been numerous problems with the holtz 5.

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Original NASA ASRS Text

Title: B757-200 CREW APPEARED TO HAVE A SMALL MAP SHIFT DEPARTING LAX ON THE HOLTZ FIVE RNAV DEP. THIS RESULTED IN A TRACK DEV.

Narrative: HOTZ 5 DEP LAX. FO WAS PF. LNAV ENGAGED AND COMMANDED SLIGHT R TURN. HE FOLLOWED LNAV COMMANDS AND WHEN I SAW ACFT START TO TURN I RECHKED HSI AND SAW WE WERE S OFF COURSE BUT APPARENTLY ENOUGH FOR LNAV TO COMMAND R TURN. ATC THEN ASSIGNED A HEADING OF 220 DEGS AND WE COMPLIED. ATC THEN ADVISED OF POSSIBLE CONFLICT. I PLAN TO SUBMIT A COMPLETE DEBRIEF, BUT AM QUITE SURE AND CONFIDENT THAT DEP WAS FLOWN CORRECTLY AND WE DID EXACTLY WHAT THE FMC COMMANDED. PLEASE NOTE THAT THERE IS NO WAY TO XCHK POS EXCEPT MAGENTA (NO PUBLISHED DATA TO BACK UP POS) ON THIS DEP. WE DID NOT PERFORM A QUICK ALIGN BECAUSE THE ACFT SYMBOL WAS TOUCHING THE RWY AS I TAXIED INTO POS PER INFO PAGES. THIS DEP NEEDS TO BE INVESTIGATED AS IT APPEARS THERE IS NO ROOM WHATSOEVER FOR ANY ERROR. I SPOKE TO ATC AND THEY INDICATE THERE HAVE BEEN NUMEROUS PROBS WITH THE HOLTZ 5.

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.