A PA24 single pilot had an near midair collision with a king air, approaching iwi.

Attributes
ACN	595003
Time
Date	200309
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : iwi.airport
State Reference	ME
Altitude	msl single value : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : atl.tower
Operator	general aviation : personal
Make Model Name	PA-24 Comanche
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : traffic pattern arrival : vfr
Flight Plan	None
Aircraft 2
Operator	general aviation : corporate
Make Model Name	Beechcraft Twin Turboprop Jet Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : traffic pattern arrival : vfr
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : multi engine pilot : commercial
Experience	flight time last 90 days : 25 flight time total : 11640 flight time type : 2600
ASRS Report	595003
Person 2
Affiliation	company : corporate
Function	flight crew : single pilot
Events
Anomaly	non adherence : published procedure non adherence : far non adherence : required legal separation
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Miss Distance	horizontal : 100 vertical : 0
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Descending to traffic pattern altitude, 1070 ft MSL, at iwi airport, I was passed by a king air off my right wingtip, at my altitude who was also landing iwi. The estimated separation was 100 ft and the sudden appearance of the other aircraft so close startled me.

Original NASA ASRS Text

Title: A PA24 SINGLE PLT HAD AN NMAC WITH A KING AIR, APCHING IWI.

Narrative: DSNDING TO TFC PATTERN ALT, 1070 FT MSL, AT IWI ARPT, I WAS PASSED BY A KING AIR OFF MY R WINGTIP, AT MY ALT WHO WAS ALSO LNDG IWI. THE ESTIMATED SEPARATION WAS 100 FT AND THE SUDDEN APPEARANCE OF THE OTHER ACFT SO CLOSE STARTLED ME.

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.