<< >> NASA ASRS Report 202056, February 1992

Air carrier reporter claims that preferential routing from dca to bos is in the low altitude structure, but that assigned altitude is frequently FL180 and above.

Attributes
ACN	202056
Time
Date	199202
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : dca
State Reference	DC
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Light Transport, Low Wing, 2 Turboprop Eng
Flight Phase	ground : preflight
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 210 flight time total : 5800 flight time type : 700
ASRS Report	202056
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other
Situations
ATC Facility	procedure or policy : unspecified

Narrative:

For a flight from dca to bos received the following routing for a cruise altitude of FL190. Dca...paleo V44 sie V308 orw V16 woons bos. When I questioned (clearance delivery) the use of victor airways for the entire routing I was told that the preferential routing dca-bos for altitudes 9000 ft to FL210 is as we were cleared. While I understand that victor airways are used for the transition to fl's, it seems odd to have the entire routing based on them when above the 'limit' of a victor airway (17999 MSL). In addition, the current airport/facility directory shows that routing for altitudes only up to and including 17000 ft.

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Original NASA ASRS Text

Title: ACR RPTR CLAIMS THAT PREFERENTIAL RTING FROM DCA TO BOS IS IN THE LOW ALT STRUCTURE, BUT THAT ASSIGNED ALT IS FREQUENTLY FL180 AND ABOVE.

Narrative: FOR A FLT FROM DCA TO BOS RECEIVED THE FOLLOWING RTING FOR A CRUISE ALT OF FL190. DCA...PALEO V44 SIE V308 ORW V16 WOONS BOS. WHEN I QUESTIONED (CLRNC DELIVERY) THE USE OF VICTOR AIRWAYS FOR THE ENTIRE RTING I WAS TOLD THAT THE PREFERENTIAL RTING DCA-BOS FOR ALTS 9000 FT TO FL210 IS AS WE WERE CLRED. WHILE I UNDERSTAND THAT VICTOR AIRWAYS ARE USED FOR THE TRANSITION TO FL'S, IT SEEMS ODD TO HAVE THE ENTIRE RTING BASED ON THEM WHEN ABOVE THE 'LIMIT' OF A VICTOR AIRWAY (17999 MSL). IN ADDITION, THE CURRENT ARPT/FACILITY DIRECTORY SHOWS THAT RTING FOR ALTS ONLY UP TO AND INCLUDING 17000 FT.

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.