An A119 helicopter pilot reports a near miss with a jet on very short final to CTAF hto on runway 10...

Attributes
ACN	712871
Time
Date	200610
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : hto.airport
State Reference	NY
Altitude	agl single value : 100
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : corporate
Make Model Name	Agusta Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Flight Plan	VFR
Aircraft 2
Operator	general aviation : corporate
Make Model Name	Challenger Jet Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Person 1
Affiliation	company : corporate
Function	flight crew : single pilot
Qualification	pilot : atp
Experience	flight time last 90 days : 25 flight time total : 10800 flight time type : 30
ASRS Report	712871
Person 2
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : nmac non adherence : far non adherence : published procedure
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Miss Distance	horizontal : 200 vertical : 100
Supplementary
Problem Areas	Airport Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Helicopter was on final over the numbers of runway 10. Unicom calls were made 10 mi; 5 mi; 3 mi; base and final. No traffic was observed. Local helicopter VFR arrival was utilized. Jet aircraft called on final when helicopter was approximately 100 ft AGL over numbers of runway 10. Helicopter announced position; jet went around on right side. Other aircraft were monitored during arrival. The first call monitored from the jet is when he called on final. The first time for visual on the jet was as he went around.

Original NASA ASRS Text

Title: AN A119 HELI PLT RPTS A NEAR MISS WITH A JET ON VERY SHORT FINAL TO CTAF HTO ON RWY 10.

Narrative: HELI WAS ON FINAL OVER THE NUMBERS OF RWY 10. UNICOM CALLS WERE MADE 10 MI; 5 MI; 3 MI; BASE AND FINAL. NO TFC WAS OBSERVED. LCL HELI VFR ARR WAS UTILIZED. JET ACFT CALLED ON FINAL WHEN HELI WAS APPROX 100 FT AGL OVER NUMBERS OF RWY 10. HELI ANNOUNCED POS; JET WENT AROUND ON R SIDE. OTHER ACFT WERE MONITORED DURING ARR. THE FIRST CALL MONITORED FROM THE JET IS WHEN HE CALLED ON FINAL. THE FIRST TIME FOR VISUAL ON THE JET WAS AS HE WENT AROUND.

Data retrieved from NASA's ASRS site as of January 2009 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.