Airborne conflict for commuter light transport X and small aircraft Y at dlg.

Attributes
ACN	178047
Time
Date	199105
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : dlg
State Reference	AK
Altitude	agl bound lower : 500 agl bound upper : 500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Light Transport, Low Wing, 2 Turboprop Eng
Flight Phase	descent : approach landing : go around
Flight Plan	IFR
Aircraft 2
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	descent : approach landing : go around other
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 7500 flight time type : 1600
ASRS Report	178047
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	conflict : airborne less severe other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action other
Consequence	Other
Miss Distance	horizontal : 2500 vertical : 100
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On short final to runway 19 at dillingham, another aircraft (small aircraft Y) appeared in the 1 O'clock position, about 2500' ahead. He was on base (right) leg turning final. I was the PF and noted we were overtaking rapidly. I immediately started a left turn, then started a shallow climb. The other aircraft made a right turn and announced, 'going around,' at the same time. I never heard the other aircraft's radio xmissions of pattern positions. The copilot's intercom was very weak, so I had to turn the vol down on my radio. Also, FSS did not advise us of small aircraft Y with a traffic advisory. The copilot had very little time in the aircraft and this was his second flight to dlg. He had missed calling, 'lead in radial alive,' and also, 'centered,' so that put us both behind the aircraft. Soon after intercepting the localizer we were in VMC and transitioned to VFR, but we did not cancel IFR. After crossing the FAF, I had to prompt the copilot to announce 'FAF inbound,' since we were still on an IFR clearance. He did so about 2 mi inside the FAF, which may have caused the other aircraft to think he had plenty of time. We had our recognition lights on and were following the sterile cockpit policy.

Original NASA ASRS Text

Title: AIRBORNE CONFLICT FOR COMMUTER LTT X AND SMA Y AT DLG.

Narrative: ON SHORT FINAL TO RWY 19 AT DILLINGHAM, ANOTHER ACFT (SMA Y) APPEARED IN THE 1 O'CLOCK POS, ABOUT 2500' AHEAD. HE WAS ON BASE (RIGHT) LEG TURNING FINAL. I WAS THE PF AND NOTED WE WERE OVERTAKING RAPIDLY. I IMMEDIATELY STARTED A LEFT TURN, THEN STARTED A SHALLOW CLB. THE OTHER ACFT MADE A RIGHT TURN AND ANNOUNCED, 'GOING AROUND,' AT THE SAME TIME. I NEVER HEARD THE OTHER ACFT'S RADIO XMISSIONS OF PATTERN POSITIONS. THE COPLT'S INTERCOM WAS VERY WEAK, SO I HAD TO TURN THE VOL DOWN ON MY RADIO. ALSO, FSS DID NOT ADVISE US OF SMA Y WITH A TFC ADVISORY. THE COPLT HAD VERY LITTLE TIME IN THE ACFT AND THIS WAS HIS SECOND FLT TO DLG. HE HAD MISSED CALLING, 'LEAD IN RADIAL ALIVE,' AND ALSO, 'CENTERED,' SO THAT PUT US BOTH BEHIND THE ACFT. SOON AFTER INTERCEPTING THE LOC WE WERE IN VMC AND TRANSITIONED TO VFR, BUT WE DID NOT CANCEL IFR. AFTER XING THE FAF, I HAD TO PROMPT THE COPLT TO ANNOUNCE 'FAF INBND,' SINCE WE WERE STILL ON AN IFR CLRNC. HE DID SO ABOUT 2 MI INSIDE THE FAF, WHICH MAY HAVE CAUSED THE OTHER ACFT TO THINK HE HAD PLENTY OF TIME. WE HAD OUR RECOGNITION LIGHTS ON AND WERE FOLLOWING THE STERILE COCKPIT POLICY.

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.