Air carrier flight crew descends below published altitude on VOR approach.

Attributes
ACN	154405
Time
Date	199008
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : dtw
State Reference	MI
Altitude	msl bound lower : 2500 msl bound upper : 3100
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dtw
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent : approach
Route In Use	arrival other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 110 flight time total : 23100 flight time type : 110
ASRS Report	154405
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : atp
Events
Anomaly	non adherence : published procedure non adherence : clearance other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On VOR 21R approach wnet ot 2500' just before aults. Should have been at 3100' at aults. Wangl was 2500' 2.1 mi from aults. Misread approach chart.

Original NASA ASRS Text

Title: ACR FLT CREW DESCENDS BELOW PUBLISHED ALT ON VOR APCH.

Narrative: ON VOR 21R APCH WNET OT 2500' JUST BEFORE AULTS. SHOULD HAVE BEEN AT 3100' AT AULTS. WANGL WAS 2500' 2.1 MI FROM AULTS. MISREAD APCH CHART.

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.