CL60 crew had a hawker take off, nose-to-nose, while they were on a 2 mi final to runway 21 at sbm.

Attributes
ACN	558154
Time
Date	200208
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sbm.airport
State Reference	WI
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zau.artcc tower : hnl.tower
Operator	general aviation : corporate
Make Model Name	Challenger CL604
Operating Under FAR Part	Part 91
Navigation In Use	ils localizer & glide slope : 21 other
Flight Phase	descent : approach landing : go around
Route In Use	approach : straight in approach : instrument precision
Flight Plan	IFR
Aircraft 2
Operator	general aviation : corporate
Operating Under FAR Part	Part 91
Flight Phase	climbout : takeoff ground : takeoff roll ground : holding
Route In Use	departure : other published ifr departure
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : cfi pilot : atp
Experience	flight time last 90 days : 120 flight time total : 6500 flight time type : 600
ASRS Report	558154
Person 2
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 120 flight time total : 13000 flight time type : 600
ASRS Report	558152
Events
Anomaly	non adherence : far non adherence : published procedure other anomaly other other spatial deviation
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : executed go around
Miss Distance	horizontal : 12000 vertical : 600
Supplementary
Problem Areas	FAA Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Cleared for ILS runway 21 sbm, airport in sight, canceled IFR with ZAU. Broadcast inbound ILS runway 21 on CTAF. Reported 5 mi final runway 21 on CTAF. Reported 2 mi final runway 21 on CTAF. Hawker departed runway 3 with no radio transmission. Aircraft on ground (cheyenne) also reported that we were on 2 mi final runway 21. Hawker replied he had IFR release and began takeoff roll. We executed go around and entered left downwind for uneventful landing on runway 3.

Original NASA ASRS Text

Title: CL60 CREW HAD A HAWKER TAKE OFF, NOSE-TO-NOSE, WHILE THEY WERE ON A 2 MI FINAL TO RWY 21 AT SBM.

Narrative: CLRED FOR ILS RWY 21 SBM, ARPT IN SIGHT, CANCELED IFR WITH ZAU. BROADCAST INBOUND ILS RWY 21 ON CTAF. RPTED 5 MI FINAL RWY 21 ON CTAF. RPTED 2 MI FINAL RWY 21 ON CTAF. HAWKER DEPARTED RWY 3 WITH NO RADIO XMISSION. ACFT ON GND (CHEYENNE) ALSO RPTED THAT WE WERE ON 2 MI FINAL RWY 21. HAWKER REPLIED HE HAD IFR RELEASE AND BEGAN TKOF ROLL. WE EXECUTED GAR AND ENTERED L DOWNWIND FOR UNEVENTFUL LNDG ON RWY 3.

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.