C425 pilot doing practice ILS approaches to runway 35R at apa reports near midair collision with ano...

Narrative:

I was doing practice approaches (ILS; 35R) at apa. During the 3rd or 4th approach; I heard another aircraft on frequency; also doing the approach; just ahead of me. While my safety pilot and I were searching for that traffic; just prior to the map; I looked up just in time to see an aircraft departing 17L; directly toward us.rather than execute the missed approach right in front of him; and across his route of flight; I elected to extend the approach and go missed behind (rather than in front of) him. In doing so; I was criticized by the tower (who had cleared the aircraft to take-off into us) for not going missed sooner (perhaps; 2;000 ft sooner). The tower also criticized the other aircraft for not turning out sooner.I'm not sure that either aircraft did anything questionable (query: the tower; however). I know that my action was taken; in what I thought to be; in the interest of aviation safety ('see and avoid'); first. While; normally; I can look and find that I might have done things differently; in this instance I believe that the tower should either (1) not have cleared the other aircraft to take-off directly into approaching traffic; or; (2) should have done so with greater separation.

Original NASA ASRS Text

Title: C425 pilot doing practice ILS approaches to Runway 35R at APA reports NMAC with another aircraft departing Runway 17L with Tower clearance to do so.

Narrative: I was doing practice approaches (ILS; 35R) at APA. During the 3rd or 4th approach; I heard another aircraft on frequency; also doing the approach; just ahead of me. While my safety pilot and I were searching for that traffic; just prior to the MAP; I looked up just in time to see an aircraft departing 17L; directly toward us.Rather than execute the missed approach right in front of him; and across his route of flight; I elected to extend the approach and go missed behind (rather than in front of) him. In doing so; I was criticized by the Tower (who had cleared the aircraft to take-off into us) for not going missed sooner (perhaps; 2;000 FT sooner). The Tower also criticized the other aircraft for not turning out sooner.I'm not sure that either aircraft did anything questionable (Query: the Tower; however). I know that my action was taken; in what I thought to be; in the interest of aviation safety ('see and avoid'); first. While; normally; I can look and find that I might have done things differently; in this instance I believe that the Tower should either (1) not have cleared the other aircraft to take-off directly into approaching traffic; or; (2) should have done so with greater separation.

Data retrieved from NASA's ASRS site as of July 2013 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.

Attributes
ACN	1054406
Time
Date	201212
Local Time Of Day	1201-1800
Place
Locale Reference	APA.Airport
State Reference	CO
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Cessna 425/441 Conquest I/Conquest II
Operating Under FAR Part	Part 91
Flight Phase	Final Approach
Route In Use	Other Runway 35R
Flight Plan	None
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	Takeoff
Person 1
Function	Single Pilot
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 20 Flight Crew Total 6800 Flight Crew Type 800
Events
Anomaly	Conflict NMAC
Miss Distance	Horizontal 200 Vertical 50

C425 pilot doing practice ILS approaches to runway 35R at apa reports near midair collision with another aircraft departing runway 17L with tower clearance to do so.