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|
Attributes | |
ACN | 430893 |
Time | |
Date | 199903 |
Day | Tue |
Local Time Of Day | 1801 To 2400 |
Place | |
Locale Reference | airport : bzn.airport |
State Reference | MT |
Altitude | agl bound lower : 0 agl bound upper : 5000 |
Environment | |
Flight Conditions | VMC |
Light | Night |
Aircraft 1 | |
Controlling Facilities | artcc : zlc.artcc |
Operator | common carrier : air carrier |
Make Model Name | B727 Undifferentiated or Other Model |
Operating Under FAR Part | Part 121 |
Flight Phase | descent : intermediate altitude descent : vacating altitude |
Route In Use | approach : visual |
Flight Plan | IFR |
Person 1 | |
Affiliation | company : air carrier |
Function | flight crew : captain oversight : pic |
Qualification | pilot : multi engine pilot : atp |
Experience | flight time last 90 days : 160 flight time total : 15000 flight time type : 650 |
ASRS Report | 430893 |
Person 2 | |
Affiliation | company : air carrier |
Function | flight crew : first officer |
Qualification | pilot : multi engine pilot : commercial pilot : instrument |
Events | |
Anomaly | inflight encounter other non adherence : far other anomaly other |
Independent Detector | other flight crewa |
Resolutory Action | none taken : anomaly accepted |
Supplementary | |
Problem Areas | Airport Flight Crew Human Performance |
Primary Problem | Airport |
Narrative:
After breaking out of an overcast (5000 ft AGL) 'clicked' on 'airport' lights at bzn, mt. Aircraft was coming in on victor 343 from the south, approach lights in sight for runway 12. Requested 'visual' approach from ZLC -- request approved. At 90 degrees to runway, runway lights are not normally visible. They are usually 'directional' (ie, seen within 30-40 degrees on final approach. Runway edge lights not visible. VASI and approach lights on high. Continued approach to landing. Runway easily visible. After misinterping 'air carrier flight operations manual' for 'ok' authority/authorized. Landing uneventful. Lights reported out to local auths. Found 'switch' in tower not in 'pilot controled lighting' position. Approach lights and VASI not controled by same switch. Tower personnel had left tower at.
Original NASA ASRS Text
Title: FLC OF A B727 LANDED AT NIGHT WITHOUT RWY EDGE LIGHTING DUE TO THE TWR CTLR NOT LEAVING THE RWY LIGHTING SWITCH IN THE PLT CTLED LIGHTING POS.
Narrative: AFTER BREAKING OUT OF AN OVCST (5000 FT AGL) 'CLICKED' ON 'ARPT' LIGHTS AT BZN, MT. ACFT WAS COMING IN ON VICTOR 343 FROM THE S, APCH LIGHTS IN SIGHT FOR RWY 12. REQUESTED 'VISUAL' APCH FROM ZLC -- REQUEST APPROVED. AT 90 DEGS TO RWY, RWY LIGHTS ARE NOT NORMALLY VISIBLE. THEY ARE USUALLY 'DIRECTIONAL' (IE, SEEN WITHIN 30-40 DEGS ON FINAL APCH. RWY EDGE LIGHTS NOT VISIBLE. VASI AND APCH LIGHTS ON HIGH. CONTINUED APCH TO LNDG. RWY EASILY VISIBLE. AFTER MISINTERPING 'ACR FLT OPS MANUAL' FOR 'OK' AUTH. LNDG UNEVENTFUL. LIGHTS RPTED OUT TO LCL AUTHS. FOUND 'SWITCH' IN TWR NOT IN 'PLT CTLED LIGHTING' POS. APCH LIGHTS AND VASI NOT CTLED BY SAME SWITCH. TWR PERSONNEL HAD LEFT TWR AT.
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.