Air carrier flight crew descends through assigned altitude on approach.

Attributes
ACN	437810
Time
Date	199905
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : stl.airport
State Reference	MO
Altitude	msl bound lower : 3100 msl bound upper : 3500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : t75.tracon
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain instruction : instructor oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 170 flight time total : 15000 flight time type : 6000
ASRS Report	437810
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer instruction : trainee
Qualification	pilot : atp
Experience	flight time last 90 days : 10 flight time total : 5500 flight time type : 10
ASRS Report	437911
Events
Anomaly	altitude deviation : overshoot non adherence : far non adherence : clearance other spatial deviation
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : returned to original clearance
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

First officer flying during IOE with line check captain. Assigned 3500 ft, descended to approximately 3100 ft before corrective action taken. Check captain was distraction by first officer continuing below minimum maneuvering speed and responding to ATC call of traffic and did not catch altitude deviation soon enough.

Original NASA ASRS Text

Title: ACR FLC DSNDS THROUGH ASSIGNED ALT ON APCH.

Narrative: FO FLYING DURING IOE WITH LINE CHK CAPT. ASSIGNED 3500 FT, DSNDED TO APPROX 3100 FT BEFORE CORRECTIVE ACTION TAKEN. CHK CAPT WAS DISTR BY FO CONTINUING BELOW MINIMUM MANEUVERING SPD AND RESPONDING TO ATC CALL OF TFC AND DID NOT CATCH ALTDEV SOON ENOUGH.

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.