<< >> NASA ASRS Report 508700, April 2001

FC8 cargo crew overshoots their assigned altitude in descent when distraction with a navigation system problem near CCC VOR, ny.

Attributes
ACN	508700
Time
Date	200104
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : zny.artcc
State Reference	NY
Altitude	msl bound lower : 11600 msl bound upper : 12000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	DC-8 61
Flight Phase	descent : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 6400 flight time type : 4500
ASRS Report	508700
Events
Anomaly	altitude deviation : overshoot non adherence : published procedure non adherence : company policies non adherence : clearance
Resolutory Action	flight crew : became reoriented flight crew : returned to assigned altitude
Supplementary
Problem Areas	Flight Crew Human Performance Aircraft
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While descending from 16000 ft MSL to 12000 ft MSL, both the pilot and copilot became distraction by a malfunction in navigation equipment. Because of the distraction, we inadvertently descended below the assigned altitude by 400 ft. Immediate corrective action was taken. It is imperative that one pilot always maintain situational awareness.

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Original NASA ASRS Text

Title: FC8 CARGO CREW OVERSHOOTS THEIR ASSIGNED ALT IN DSCNT WHEN DISTR WITH A NAV SYS PROB NEAR CCC VOR, NY.

Narrative: WHILE DSNDING FROM 16000 FT MSL TO 12000 FT MSL, BOTH THE PLT AND COPLT BECAME DISTR BY A MALFUNCTION IN NAV EQUIP. BECAUSE OF THE DISTR, WE INADVERTENTLY DSNDED BELOW THE ASSIGNED ALT BY 400 FT. IMMEDIATE CORRECTIVE ACTION WAS TAKEN. IT IS IMPERATIVE THAT ONE PLT ALWAYS MAINTAIN SITUATIONAL AWARENESS.

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.