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ASN Wikibase Occurrence # 41728
Last updated: 4 November 2019
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Date:07-JAN-1990
Time:15:17
Type:Silhouette image of generic C182 model; specific model in this crash may look slightly different
Cessna 182P
Owner/operator:private
Registration: N1283S
C/n / msn: 18264851
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Napa, CA -   United States of America
Phase: Approach
Nature:Private
Departure airport:Concord, CA (CCR)
Destination airport:
Investigating agency: NTSB
Narrative:
THE AIRCRAFT COLLIDED WITH MOUNTAINOUS TERRAIN WHILE EXECUTING AN INSTRUMENT MISSED APPROACH. THE RECORDED RADAR DATA SHOWED THAT THE ACFT WAS ABOUT 4 MILES PAST THE MISSED APPROACH POINT WHEN THE TURN WAS INITIATED. THE VOR RWY 6 APPROACH HAS A 620 FT MDA AND THE MISSED APPROACH POINT IS DEFINED AS 3.8 DME ON THE SCAGGS ISLAND VOR 050 RADIAL. THE RADAR DATA SHOWED THE ACFT CROSSED OVER THE AIRPORT DESCENDING THROUGH 1,800 FT MSL. THE LOWEST ALT ACHIEVED BY THE ACFT WAS 900 FT MSL, WHICH OCCURRED JUST BEFORE THE ACFT INITIATED THE MISSED APPROACH TURN. THE DME UNIT IN THE AIRCRAFT CAN FUNCTION IN BOTH AN INTERNAL FREQ MODE AND A REMOTE MODE. IN THE REMOTE MODE THE DME PROVIDES INFO FROM THE NAV RADIOS. IN THE INTERNAL MODE, THE UNIT GIVES INFO BASED ON THE FREQ SET IN THE UNITS INTERNAL MEMORY. EXAM OF THE DME REVEALED THAT THE UNIT WAS IN THE INTERNAL MODE AND SELECTED TO THE CONCORD VOR, NOT THE SCAGGS ISLAND VOR. CAUSE: THE FAILURE OF THE PILOT TO PROPERLY EXECUTE THE PUBLISHED APPROACH AND MISSED APPROACH WHICH RESULTED IN A COLLISION WITH MOUNTAINIOUS TERRAIN.

Sources:

NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X22429


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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