Air carrier medium large transport makes a visual night approach to pdx and gets into ttd airport's class D airspace on the descent. PF, the first officer, mistook for a moment ttd for pdx. Missed approach made with an ILS approach being made to runway 28R.

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Attributes
ACN	364058
Time
Date	199703
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : pdx
State Reference	OR
Altitude	msl bound lower : 1500 msl bound upper : 3750
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : pdx
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent : approach landing : missed approach
Route In Use	approach : visual arrival other enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 4600 flight time type : 140
ASRS Report	364058
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 17000 flight time type : 4000
ASRS Report	364059
Events
Anomaly	altitude deviation : overshoot non adherence : clearance non adherence : far non adherence : published procedure other anomaly other
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance other other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Let me preface by saying that at the time of this occurrence we had been on duty for over 10 hours and had been flying for over 8 hours. The local time was YY55 pm. We were being vectored for the mill visual at pdx after coming from seattle. I was fairly unfamiliar with the area, but the captain indicated he knew the procedure and proceeded to point out the required landmarks. The heading we were assigned forced me to make a left turn to stay north of the mill. When we turned back right to begin the approach, the lights at portland troutdale increased in intensity and the captain indicated we were high. I mistook troutdale for pdx. I began a descent for troutdale, but due to the navaids, both the captain and I quickly realized the error and initiated and executed a missed approach. In the process we descended to approximately 1500 ft. We then were vectored back for an ILS runway 28R approach and landed uneventfully.

Original NASA ASRS Text

Title: ACR MLG MAKES A VISUAL NIGHT APCH TO PDX AND GETS INTO TTD ARPT'S CLASS D AIRSPACE ON THE DSCNT. PF, THE FO, MISTOOK FOR A MOMENT TTD FOR PDX. MISSED APCH MADE WITH AN ILS APCH BEING MADE TO RWY 28R.

Narrative: LET ME PREFACE BY SAYING THAT AT THE TIME OF THIS OCCURRENCE WE HAD BEEN ON DUTY FOR OVER 10 HRS AND HAD BEEN FLYING FOR OVER 8 HRS. THE LCL TIME WAS YY55 PM. WE WERE BEING VECTORED FOR THE MILL VISUAL AT PDX AFTER COMING FROM SEATTLE. I WAS FAIRLY UNFAMILIAR WITH THE AREA, BUT THE CAPT INDICATED HE KNEW THE PROC AND PROCEEDED TO POINT OUT THE REQUIRED LANDMARKS. THE HDG WE WERE ASSIGNED FORCED ME TO MAKE A L TURN TO STAY N OF THE MILL. WHEN WE TURNED BACK R TO BEGIN THE APCH, THE LIGHTS AT PORTLAND TROUTDALE INCREASED IN INTENSITY AND THE CAPT INDICATED WE WERE HIGH. I MISTOOK TROUTDALE FOR PDX. I BEGAN A DSCNT FOR TROUTDALE, BUT DUE TO THE NAVAIDS, BOTH THE CAPT AND I QUICKLY REALIZED THE ERROR AND INITIATED AND EXECUTED A MISSED APCH. IN THE PROCESS WE DSNDED TO APPROX 1500 FT. WE THEN WERE VECTORED BACK FOR AN ILS RWY 28R APCH AND LANDED UNEVENTFULLY.

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.