GA P28-181 is part of landing sequencing problem at congested boi.

Attributes
ACN	447955
Time
Date	199909
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : boi.airport
State Reference	ID
Altitude	agl bound lower : 500 agl bound upper : 7000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : boi.tower
Operator	general aviation : personal
Make Model Name	PA-28 Cherokee/Archer II/Dakota/Pillan/Warrior
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	descent : approach
Route In Use	approach : visual approach : traffic pattern arrival : vfr
Flight Plan	VFR
Aircraft 2
Controlling Facilities	tower : boi.tower
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 2 Eng, Retractable Gear
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	descent : approach
Route In Use	approach : visual approach : traffic pattern arrival : vfr
Flight Plan	VFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 40 flight time total : 287 flight time type : 175
ASRS Report	447955
Person 2
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	conflict : airborne critical inflight encounter other non adherence other
Independent Detector	other controllera other flight crewa
Resolutory Action	controller : provided flight assist none taken : detected after the fact
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	ATC Human Performance Airport Flight Crew Human Performance Environmental Factor
Primary Problem	Ambiguous
Air Traffic Incident	Pilot Deviation

Narrative:

In sum: low time GA reporter with a private license tries his utmost to enter the traffic pattern at boi. He experiences some communication difficulties with boi tower. Following last received instructions and looking out for traffic in atmosphere of congestion of radio frequencys and airborne traffic, he extends downwind several seconds and continues as previously cleared. Near short final, he becomes aware of conflict with light twin traffic to same runway. Reporter is cleared to and does land without further problem.

Original NASA ASRS Text

Title: GA P28-181 IS PART OF LNDG SEQUENCING PROB AT CONGESTED BOI.

Narrative: IN SUM: LOW TIME GA RPTR WITH A PVT LICENSE TRIES HIS UTMOST TO ENTER THE TFC PATTERN AT BOI. HE EXPERIENCES SOME COM DIFFICULTIES WITH BOI TWR. FOLLOWING LAST RECEIVED INSTRUCTIONS AND LOOKING OUT FOR TFC IN ATMOSPHERE OF CONGESTION OF RADIO FREQS AND AIRBORNE TFC, HE EXTENDS DOWNWIND SEVERAL SECONDS AND CONTINUES AS PREVIOUSLY CLRED. NEAR SHORT FINAL, HE BECOMES AWARE OF CONFLICT WITH LIGHT TWIN TFC TO SAME RWY. RPTR IS CLRED TO AND DOES LAND WITHOUT FURTHER PROB.

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.