Air carrier medium large transport bird strike at 12,500' on STAR into sfo.

Attributes
ACN	116425
Time
Date	198907
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : mod
State Reference	CA
Altitude	msl bound lower : 12500 msl bound upper : 12500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zoa
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent other
Route In Use	arrival star : star
Flight Plan	IFR
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 : 28000 flight time type : 2500
ASRS Report	116425
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	inflight encounter other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	other
Supplementary
Air Traffic Incident	other

Narrative:

Flew thru a large flock (30+/-) of ducks/geese, dark color (wide body, short wing type). Hit one on first officer windshield. Suspected other hits but none found on post-flight. Unusual to run over ducks at 12,500'. Our indicated airspeed was about 250 KIAS.

Original NASA ASRS Text

Title: ACR MLG BIRD STRIKE AT 12,500' ON STAR INTO SFO.

Narrative: FLEW THRU A LARGE FLOCK (30+/-) OF DUCKS/GEESE, DARK COLOR (WIDE BODY, SHORT WING TYPE). HIT ONE ON F/O WINDSHIELD. SUSPECTED OTHER HITS BUT NONE FOUND ON POST-FLT. UNUSUAL TO RUN OVER DUCKS AT 12,500'. OUR INDICATED AIRSPEED WAS ABOUT 250 KIAS.

Data retrieved from NASA's ASRS site as of August 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.