B767-332 claims loss of separation on night visual parallel approach to sfo.

Attributes
ACN	451950
Time
Date	199910
Day	Sun
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : s03.airport
State Reference	CA
Altitude	msl single value : 1500
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : o90.tracon
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 28r
Flight Phase	descent : vacating altitude descent : approach
Route In Use	approach : straight in approach : visual approach : charted visual arrival : vfr
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : o90.tracon
Operator	common carrier : air carrier
Make Model Name	A320
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 28l other
Flight Phase	descent : vacating altitude descent : approach
Route In Use	approach : visual approach : charted visual approach : straight in arrival : vfr
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 225 flight time total : 30000 flight time type : 2000
ASRS Report	451950
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	conflict : airborne critical conflict : nmac non adherence : clearance non adherence : far non adherence : published procedure non adherence : required legal separation
Independent Detector	other flight crewa other flight crewb
Resolutory Action	none taken : anomaly accepted
Miss Distance	horizontal : 50 vertical : 80
Supplementary
Problem Areas	Flight Crew Human Performance Environmental Factor ATC Human Performance
Primary Problem	Ambiguous

Narrative:

Visual approach to runways 28L and 28R with no separation requirements. Lead aircraft should have at least 1 mi.

Original NASA ASRS Text

Title: B767-332 CLAIMS LOSS OF SEPARATION ON NIGHT VISUAL PARALLEL APCH TO SFO.

Narrative: VISUAL APCH TO RWYS 28L AND 28R WITH NO SEPARATION REQUIREMENTS. LEAD ACFT SHOULD HAVE AT LEAST 1 MI.

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.