<< >> NASA ASRS Report 498415, January 2001

B767-200 overshoot during climb out to intermediate altitude caused by autoplt altitude capture problem.

Attributes
ACN	498415
Time
Date	200101
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : clt.vortac
State Reference	NC
Altitude	msl bound lower : 8000 msl bound upper : 8300
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : clt.tracon
Operator	common carrier : air carrier
Make Model Name	B767-200
Operating Under FAR Part	Part 121
Navigation In Use	other vortac
Flight Phase	climbout : intermediate altitude climbout : vacating altitude
Route In Use	departure sid : panther 5
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : commercial pilot : instrument pilot : multi engine pilot : private
Experience	flight time last 90 days : 195 flight time total : 11350 flight time type : 410
ASRS Report	498415
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : instrument pilot : flight engineer pilot : commercial pilot : atp
Experience	flight time last 90 days : 110 flight time total : 18000 flight time type : 528
ASRS Report	498420
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : undershoot non adherence : clearance
Independent Detector	atc equipment other atc equipment : radar aircraft equipment other aircraft equipment : altimeter other controllera other flight crewa
Resolutory Action	controller : issued alert 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:

Takeoff out of clt runway 36R on SID (panther 5) with leveloff at 8000 ft. From SID heading of 025 degrees, given 090 degree vector by departure control. Aircraft climbing very rapidly and autoplt engaged. At about 6500 ft, saw altitude capture. Just prior to 8000 ft, saw that autoplt was not going to capture altitude, pilot discovered autoplt and accomplished manual leveloff and overshot 8000 ft by about 300 ft. Departure control (after overshoot) advised us of 8000 ft requirement and 9000 ft traffic. Traffic visually sighted. After returning to 8000 ft, troubleshot autoplt system. Recoupled autoplt system and aircraft attempted to climb, above 8000 ft capture altitude. Disengaged autoplt. Made maintenance write-up in logbook at destination.

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Original NASA ASRS Text

Title: B767-200 OVERSHOOT DURING CLBOUT TO INTERMEDIATE ALT CAUSED BY AUTOPLT ALT CAPTURE PROB.

Narrative: TKOF OUT OF CLT RWY 36R ON SID (PANTHER 5) WITH LEVELOFF AT 8000 FT. FROM SID HDG OF 025 DEGS, GIVEN 090 DEG VECTOR BY DEP CTL. ACFT CLBING VERY RAPIDLY AND AUTOPLT ENGAGED. AT ABOUT 6500 FT, SAW ALT CAPTURE. JUST PRIOR TO 8000 FT, SAW THAT AUTOPLT WAS NOT GOING TO CAPTURE ALT, PLT DISCOVERED AUTOPLT AND ACCOMPLISHED MANUAL LEVELOFF AND OVERSHOT 8000 FT BY ABOUT 300 FT. DEP CTL (AFTER OVERSHOOT) ADVISED US OF 8000 FT REQUIREMENT AND 9000 FT TFC. TFC VISUALLY SIGHTED. AFTER RETURNING TO 8000 FT, TROUBLESHOT AUTOPLT SYS. RECOUPLED AUTOPLT SYS AND ACFT ATTEMPTED TO CLB, ABOVE 8000 FT CAPTURE ALT. DISENGAGED AUTOPLT. MADE MAINT WRITE-UP IN LOGBOOK AT DEST.

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.