Mlt altitude deviation overshot during climb resulting in loss of separation with unk aircraft.

Attributes
ACN	158200
Time
Date	199009
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : nfl
State Reference	NV
Altitude	msl bound lower : 14000 msl bound upper : 14400
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zoa
Operator	other
Make Model Name	Military Transport
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	government : military
Function	flight crew : first officer
Qualification	pilot : private pilot : atp pilot : commercial pilot : flight engineer pilot : instrument
Experience	flight time last 90 days : 100 flight time total : 3000 flight time type : 45
ASRS Report	158200
Person 2
Affiliation	government : military
Function	flight crew : captain oversight : pic
Qualification	pilot : military pilot : instrument pilot : flight engineer pilot : commercial pilot : atp
Experience	flight time last 90 days : 50 flight time total : 3800 flight time type : 900
ASRS Report	158115
Events
Anomaly	altitude deviation : overshoot conflict : airborne less severe non adherence : clearance non adherence : required legal separation
Independent Detector	other controllera
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	faa : investigated
Miss Distance	horizontal : 12000 vertical : 600
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On climb out failed to level off at 14000' assigned. Crew distracted due to malfunctioning flight director. Altitude alert tone not heard as it is routed through cockpit speaker and vol was accidentally set too low.

Original NASA ASRS Text

Title: MLT ALT DEVIATION OVERSHOT DURING CLIMB RESULTING IN LOSS OF SEPARATION WITH UNK ACFT.

Narrative: ON CLBOUT FAILED TO LEVEL OFF AT 14000' ASSIGNED. CREW DISTRACTED DUE TO MALFUNCTIONING FLT DIRECTOR. ALT ALERT TONE NOT HEARD AS IT IS ROUTED THROUGH COCKPIT SPEAKER AND VOL WAS ACCIDENTALLY SET TOO LOW.

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.