<< >> NASA ASRS Report 399551, April 1998

An air carrier B737 flight crew failed to cross 15 NM south of a VOR at the assigned altitude. The flight crew had mistakenly entered a position 15 mi north of the VOR as the FMC crossing point.

Attributes
ACN	399551
Time
Date	199804
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : ffu
State Reference	UT
Altitude	msl bound lower : 15000 msl bound upper : 20000
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zlc
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	descent other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : commercial pilot : instrument
Experience	flight time last 90 days : 200 flight time total : 12000 flight time type : 3000
ASRS Report	399551
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : atp
Experience	flight time last 90 days : 200 flight time total : 5000 flight time type : 500
ASRS Report	399550
Events
Anomaly	altitude deviation : crossing restriction not met altitude deviation : undershoot non adherence : far non adherence : clearance other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Captain flying. Given crossing at 15 mi south of ffu VOR at 230 KTS, 15000 ft. Entered 15 mi north ffu incorrectly. Center gives a 360 degree turn at approximately ffu 172 degrees 15 mi for descent. No conflict occurred. Completion of flight, no further incident.

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Original NASA ASRS Text

Title: AN ACR B737 FLC FAILED TO CROSS 15 NM S OF A VOR AT THE ASSIGNED ALT. THE FLC HAD MISTAKENLY ENTERED A POS 15 MI N OF THE VOR AS THE FMC XING POINT.

Narrative: CAPT FLYING. GIVEN XING AT 15 MI S OF FFU VOR AT 230 KTS, 15000 FT. ENTERED 15 MI N FFU INCORRECTLY. CTR GIVES A 360 DEG TURN AT APPROX FFU 172 DEGS 15 MI FOR DSCNT. NO CONFLICT OCCURRED. COMPLETION OF FLT, NO FURTHER INCIDENT.

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.