<< >> NASA ASRS Report 293783, January 1995

Air carrier X altitude deviation non adherence to ATC clearance unauthorized climb through assigned altitude.

Attributes
ACN	293783
Time
Date	199501
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : dec
State Reference	IL
Altitude	msl bound lower : 3700 msl bound upper : 3700
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Controlling Facilities	tracon : cmi
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 135
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 230 flight time total : 6180 flight time type : 230
ASRS Report	293783
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Air carrier X climbing out of decator to level at 3000 ft. Made 1000 ft call. First officer was flying. Made note of lift-off time and completed after takeoff/cruise checklist. We were also turning south to 190 degree heading (?) -- took off from runway 6. Got above clouds at 2300 ft. Also making note of flight conditions after 1000 ft call to give back to dec tower as per tower's request. Heard first officer comment on the beauty of the moon shining on the clouds. I looked right to see and noticed altitude alerter flashing. At first I thought the altitude was not set properly in the box but glanced at my altimeter on a feeling and could not believe it read 3700 ft. I immediately started descent. At this time decatur tower switched us to champaign departure. Switched to champaign and told them we were leveling at 3000 ft. No comment by decautr or champaign on climb to 3700 ft.

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Original NASA ASRS Text

Title: ACR X ALTDEV NON ADHERENCE TO ATC CLRNC UNAUTH CLB THROUGH ASSIGNED ALT.

Narrative: ACR X CLBING OUT OF DECATOR TO LEVEL AT 3000 FT. MADE 1000 FT CALL. FO WAS FLYING. MADE NOTE OF LIFT-OFF TIME AND COMPLETED AFTER TKOF/CRUISE CHKLIST. WE WERE ALSO TURNING S TO 190 DEG HDG (?) -- TOOK OFF FROM RWY 6. GOT ABOVE CLOUDS AT 2300 FT. ALSO MAKING NOTE OF FLT CONDITIONS AFTER 1000 FT CALL TO GIVE BACK TO DEC TWR AS PER TWR'S REQUEST. HEARD FO COMMENT ON THE BEAUTY OF THE MOON SHINING ON THE CLOUDS. I LOOKED R TO SEE AND NOTICED ALT ALERTER FLASHING. AT FIRST I THOUGHT THE ALT WAS NOT SET PROPERLY IN THE BOX BUT GLANCED AT MY ALTIMETER ON A FEELING AND COULD NOT BELIEVE IT READ 3700 FT. I IMMEDIATELY STARTED DSCNT. AT THIS TIME DECATUR TWR SWITCHED US TO CHAMPAIGN DEP. SWITCHED TO CHAMPAIGN AND TOLD THEM WE WERE LEVELING AT 3000 FT. NO COMMENT BY DECAUTR OR CHAMPAIGN ON CLB TO 3700 FT.

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.