<< >> NASA ASRS Report 468300, March 2000

A gii cpr repos flight descends 500 ft below its assigned altitude when the captain is off on a company radio call 20 mi north of fbi, fl.

Attributes
ACN	468300
Time
Date	200003
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : pbi.airport
State Reference	FL
Altitude	msl bound lower : 7500 msl bound upper : 8000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zma.artcc
Operator	general aviation : corporate
Make Model Name	Gulfstream II
Operating Under FAR Part	Part 91
Navigation In Use	other vortac
Flight Phase	descent : intermediate altitude
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : atp pilot : cfi
Experience	flight time last 90 days : 210 flight time total : 6600 flight time type : 600
ASRS Report	468300
Person 2
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : overshoot non adherence : published procedure non adherence : company policies non adherence : clearance other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : became reoriented flight crew : returned to assigned altitude
Consequence	Other
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

The flight was on a positioning leg from teb-pbi. We were descending from cruise flight to 8000 ft for vectors/visual approach to pbi from FL240. Captain was sitting in the right seat in the descent radioing ahead for services when the copilot descended below his assigned altitude of 8000 ft. There was no traffic at the time and approach had no comment on our mistake.

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Original NASA ASRS Text

Title: A GII CPR REPOS FLT DSNDS 500 FT BELOW ITS ASSIGNED ALT WHEN THE CAPT IS OFF ON A COMPANY RADIO CALL 20 MI N OF FBI, FL.

Narrative: THE FLT WAS ON A POSITIONING LEG FROM TEB-PBI. WE WERE DSNDING FROM CRUISE FLT TO 8000 FT FOR VECTORS/VISUAL APCH TO PBI FROM FL240. CAPT WAS SITTING IN THE R SEAT IN THE DSCNT RADIOING AHEAD FOR SVCS WHEN THE COPLT DSNDED BELOW HIS ASSIGNED ALT OF 8000 FT. THERE WAS NO TFC AT THE TIME AND APCH HAD NO COMMENT ON OUR MISTAKE.

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.