A commuter flight crew tracked the assigned radial from the wrong VOR resulting in a track deviation. The first officer had failed to transfer the appropriate VOR frequency from the standby mode.

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Attributes
ACN	326830
Time
Date	199601
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : bal airport : iad
State Reference	MD
Altitude	msl bound lower : 9000 msl bound upper : 9000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Light Transport, Low Wing, 2 Turboprop Eng
Flight Phase	cruise other
Route In Use	enroute : on vectors enroute airway : zdc
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 216 flight time total : 7103 flight time type : 2016
ASRS Report	326830
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other controllera
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Flight from iad-ewr vectored for V214 off mrb VOR, which is 101 degrees off mrb to 'wooly' intersection then the 128 degree off balance VOR. Copilot PNF set both radios to balance VOR instead of my radio to mrb and his to balance for the intercept. My HSI was set to 101 degrees which I intercepted, but it was on the wrong VOR frequency. It was set on 115.1 (balance) instead of 112.1 (mrb), which was on the standby frequency. My copilot forgot to switch over and I failed to double-check since I thought it was routine for him.

Original NASA ASRS Text

Title: A COMMUTER FLC TRACKED THE ASSIGNED RADIAL FROM THE WRONG VOR RESULTING IN A TRACK DEV. THE FO HAD FAILED TO TRANSFER THE APPROPRIATE VOR FREQ FROM THE STANDBY MODE.

Narrative: FLT FROM IAD-EWR VECTORED FOR V214 OFF MRB VOR, WHICH IS 101 DEGS OFF MRB TO 'WOOLY' INTXN THEN THE 128 DEG OFF BAL VOR. COPLT PNF SET BOTH RADIOS TO BAL VOR INSTEAD OF MY RADIO TO MRB AND HIS TO BAL FOR THE INTERCEPT. MY HSI WAS SET TO 101 DEGS WHICH I INTERCEPTED, BUT IT WAS ON THE WRONG VOR FREQ. IT WAS SET ON 115.1 (BAL) INSTEAD OF 112.1 (MRB), WHICH WAS ON THE STANDBY FREQ. MY COPLT FORGOT TO SWITCH OVER AND I FAILED TO DOUBLE-CHK SINCE I THOUGHT IT WAS ROUTINE FOR HIM.

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.