<< >> NASA ASRS Report 482770, August 2000

An FK100 crew misinterprets their altitude crossing restr and fail to make a descent in time 60 mi west of abb, in.

Attributes
ACN	482770
Time
Date	200008
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	navaid : abb.vortac
State Reference	IN
Altitude	msl bound lower : 24000 msl bound upper : 29000
Environment
Light	Night
Aircraft 1
Controlling Facilities	artcc : zid.artcc tower : bwi.tower
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	other vortac
Flight Phase	cruise : enroute altitude change
Route In Use	arrival star : mosey.5
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain
Qualification	pilot : atp
ASRS Report	482770
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
ASRS Report	482769
Events
Anomaly	altitude deviation : undershoot altitude deviation : crossing restriction not met non adherence : clearance other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued advisory none taken : detected after the fact
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

ATC facility: ZID. Location: 60 mi west of abb. On the mosey 5 arrival at FL290. Approximately 70 mi west of abb, I (PF) thought we were cleared to cross 40 DME out of abb at FL240 and planned to start down at 60 DME out, 6 mi from jrico intersection. Actual clearance was for 60 DME from abb arrival FL240. I totally misinterpreted the clearance, and did not ask for confirmation. No excuse for this not confirming or getting relief, but it might be better to try to clear aircraft to an altitude at a specific point on the published arrival or route. The controller told us no separation problem occurred and not to worry about it. No aircraft were in our area during this time period.

Related reports:

• Altitude deviation altitude undershot. Flight crew misuses a...
• PC12 flight crew misinterprets climb clearance from N90 cont...
• Air carrier misinterprets clearance has altitude deviation a...
• Air carrier crew misinterprets traffic call altitude for des...
• Altitude deviation altitude overshot. Flight crew misinterpr...

	Enter your search terms Submit search form
	Web www.37000feet.com

Original NASA ASRS Text

Title: AN FK100 CREW MISINTERPRETS THEIR ALT XING RESTR AND FAIL TO MAKE A DSCNT IN TIME 60 MI W OF ABB, IN.

Narrative: ATC FACILITY: ZID. LOCATION: 60 MI W OF ABB. ON THE MOSEY 5 ARR AT FL290. APPROX 70 MI W OF ABB, I (PF) THOUGHT WE WERE CLRED TO CROSS 40 DME OUT OF ABB AT FL240 AND PLANNED TO START DOWN AT 60 DME OUT, 6 MI FROM JRICO INTXN. ACTUAL CLRNC WAS FOR 60 DME FROM ABB ARR FL240. I TOTALLY MISINTERPRETED THE CLRNC, AND DID NOT ASK FOR CONFIRMATION. NO EXCUSE FOR THIS NOT CONFIRMING OR GETTING RELIEF, BUT IT MIGHT BE BETTER TO TRY TO CLR ACFT TO AN ALT AT A SPECIFIC POINT ON THE PUBLISHED ARR OR RTE. THE CTLR TOLD US NO SEPARATION PROB OCCURRED AND NOT TO WORRY ABOUT IT. NO ACFT WERE IN OUR AREA DURING THIS TIME PERIOD.

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.