An A320 flight crew; cleared to; 'cross lemnz above 3;500 for traffic; cleared for the visual runway...

Narrative:

Captain was pilot flying; first officer pilot monitoring. ATIS info approach and landing RNAV visual runway 19L. From heading 170 degrees and east of trrop and upon receipt of visual contact confirmation with las; approach cleared [us] direct trrop; 'cleared for RNAV visual runway 19L approach.' approaching trrop they then handed [us] off to final controller who then cleared us direct lemnz; 'cross lemnz above 3;500 feet for helicopter traffic; cleared for the visual 19L.' this would have required placing lemnz into the FMGC flight plan page while inside of trrop and there was insufficient time to do so while maintaining situational and traffic awareness. Lemnz in not noted on the [special; company tailored] approach chart and manual construction is not authorized. Conflicting requests by ATC should be avoided in high-density airports even in VMC.

Original NASA ASRS Text

Title: An A320 flight crew; cleared to; 'Cross LEMNZ above 3;500 for traffic; cleared for the visual runway 19L' at LAS was at a loss to do so as LEMNZ was not part of their FMGC flight plan route and they are not authorized to manually construct it.

Narrative: Captain was pilot flying; First Officer pilot monitoring. ATIS info approach and landing RNAV VISUAL RWY 19L. From heading 170 degrees and east of TRROP and upon receipt of visual contact confirmation with LAS; Approach cleared [us] direct TRROP; 'Cleared for RNAV VISUAL RWY 19L approach.' Approaching TRROP they then handed [us] off to Final Controller who then cleared us direct LEMNZ; 'Cross LEMNZ above 3;500 feet for helicopter traffic; cleared for the visual 19L.' This would have required placing LEMNZ into the FMGC flight plan page while inside of TRROP and there was insufficient time to do so while maintaining situational and traffic awareness. LEMNZ in not noted on the [special; company tailored] approach chart and manual construction is not authorized. Conflicting requests by ATC should be avoided in high-density airports even in VMC.

Data retrieved from NASA's ASRS site 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.

Attributes
ACN	1187437
Time
Date	201407
Local Time Of Day	0001-0600
Place
Locale Reference	LAS.Airport
State Reference	NV
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Flight Plan	IFR
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	ATC Issue All Types Deviation - Track / Heading All Types

An A320 flight crew; cleared to; 'cross lemnz above 3;500 for traffic; cleared for the visual runway 19L' at las was at a loss to do so as lemnz was not part of their FMGC flight plan route and they are not authorized to manually construct it.