An AC90 crew, on an ILS approach to cgf, descended prematurely to the FAF altitude.

Attributes
ACN	543740
Time
Date	200204
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : cgf.airport
State Reference	OH
Altitude	msl single value : 2300
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : cle.tracon
Operator	general aviation : corporate
Make Model Name	Turbo Commander 690C
Operating Under FAR Part	Part 91
Navigation In Use	ils localizer & glide slope : 23
Flight Phase	descent : approach
Route In Use	approach : instrument precision
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
Experience	flight time last 90 days : 40 flight time total : 4500 flight time type : 2000
ASRS Report	543740
Person 2
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : far non adherence : published procedure non adherence : clearance
Independent Detector	other flight crewa other flight crewb
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Radar cleared us for the approach to maintain 3000 ft till established. Upon localizer intercept, I descended to FAF altitude -- should not have until later. Approach chart very plain but we have nearly always been turned into localizer much closer to FAF. My fault entirely.

Original NASA ASRS Text

Title: AN AC90 CREW, ON AN ILS APCH TO CGF, DSNDED PREMATURELY TO THE FAF ALT.

Narrative: RADAR CLRED US FOR THE APCH TO MAINTAIN 3000 FT TILL ESTABLISHED. UPON LOC INTERCEPT, I DSNDED TO FAF ALT -- SHOULD NOT HAVE UNTIL LATER. APCH CHART VERY PLAIN BUT WE HAVE NEARLY ALWAYS BEEN TURNED INTO LOC MUCH CLOSER TO FAF. MY FAULT ENTIRELY.

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.