B767-300 crew had a decommissioned frequency shown on their commercial high low chart in oomm class ...

Attributes
ACN	497719
Time
Date	200101
Day	Sat
Local Time Of Day	0001 To 0600
Place
Locale Reference	intersection : marob
State Reference	FO
Altitude	msl single value : 31000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : oomm.artcc
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : oomm.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	other : foreign
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 240 flight time total : 9000 flight time type : 450
ASRS Report	497719
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	none taken : anomaly accepted
Supplementary
Problem Areas	ATC Facility
Primary Problem	Ambiguous

Narrative:

Crossing from mumbai airspace into omani airspace I attempted to contact muscat control 5 mins prior to marob intersection (the fir). Comercial pages xyz on map listed the primary frequency as 124.55. I attempted this for about 10 mins and then switched to a second frequency listed on the map, and in the NOTAM section of the flight plan. Contact was established on 123.95 at which time muscat control informed us that the frequency on the map had been decommissioned 3 months prior. This information was not listed on any map, or chart NOTAM on enroute NOTAM that I could find. At the time I was attempting contact, a foreign air carrier behind us was also attempting contact on the same old frequency.

Original NASA ASRS Text

Title: B767-300 CREW HAD A DECOMMISSIONED FREQ SHOWN ON THEIR COMMERCIAL HIGH LOW CHART IN OOMM CLASS A.

Narrative: XING FROM MUMBAI AIRSPACE INTO OMANI AIRSPACE I ATTEMPTED TO CONTACT MUSCAT CTL 5 MINS PRIOR TO MAROB INTXN (THE FIR). COMERCIAL PAGES XYZ ON MAP LISTED THE PRIMARY FREQ AS 124.55. I ATTEMPTED THIS FOR ABOUT 10 MINS AND THEN SWITCHED TO A SEC FREQ LISTED ON THE MAP, AND IN THE NOTAM SECTION OF THE FLT PLAN. CONTACT WAS ESTABLISHED ON 123.95 AT WHICH TIME MUSCAT CTL INFORMED US THAT THE FREQ ON THE MAP HAD BEEN DECOMMISSIONED 3 MONTHS PRIOR. THIS INFO WAS NOT LISTED ON ANY MAP, OR CHART NOTAM ON ENROUTE NOTAM THAT I COULD FIND. AT THE TIME I WAS ATTEMPTING CONTACT, A FOREIGN ACR BEHIND US WAS ALSO ATTEMPTING CONTACT ON THE SAME OLD FREQ.

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.

B767-300 crew had a decommissioned frequency shown on their commercial high low chart in oomm class a.