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20040717018959A

Accident · Substantial damage
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FAA accident report · Grob G103ATWINII · Caddo Mills, TX · July 17, 2004

FAA Aviation Safety Information Portal

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Date
July 17, 2004 · 14:30 local
Place
Caddo Mills, TX
Airport
Caddo Mills Municipal Airport
Phase of flight
Other Ground Ops
Operating rules
General operating rules (Part 91)
Damage
Substantial damage
Aircraft
N858BG
NTSB investigation
NTSBFTW04LA190
Reported as
Grob G103ATWINII
People aboard
2
Fatal injuries
0
N858BGRegistration cancelled Sep 23, 2005 · Burkhart Grob G-103A TWIN II ACROS/N 34016-K-248Airframe modelBurkhart Grob G-103A TWIN II ACROEngine modelNONENone

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-23) On July 17, 2004 at 1430 central daylight time, a Grob G-103A twin acro ii glider, N858BG, was substantially damaged upon collision with another aircraft while waiting to be towed on runway 31 at the Caddo Mills Municipal Airport (7F3), near Caddo Mills, Texas. Visual meteorological conditions prevailed. According to the flight instructor conducting the glider flight, the glider had been positioned on the right side of the 150-foot wide concrete runway waiting for a tow-plane to line up in front for the scheduled soaring flight. The instructor added that he was standing on the left side of the glider explaining to the passenger strapped to the front seat how the flight was to be conducted. While standing, the flight instructor heard someone shout, and he looked up. The flight instructor reported that he observed the tow plane that had just landed on the left side of the runway, veering straight for the glider. To avoid being hit, he jumped over the fuselage of the glider. The pilot of the landing tow plane, a single engine Cessna 305, N5255G, lost control of the tail wheel equipped airplane during the latter part of the landing roll, thus colliding with the glider. Examination of the Cessna revealed that the left main landing gear strut fractured due to fatigue, causing the main wheel assembly to separate from the landing gear strut. Damage to the airplane was minor. Examination of the glider revealed structural damage to the left wing and left aileron; there were no injuries involved with either aircraft.

As the FAA filed it

(-23) ON JULY 17, 2004 AT 1430 CENTRAL DAYLIGHT TIME, A GROB G-103A TWIN ACRO II GLIDER, N858BG, WAS SUBSTANTIALLY DAMAGED UPON COLLISION WITH ANOTHER AIRCRAFT WHILE WAITING TO BE TOWED ON RUNWAY 31 AT THE CADDO MILLS MUNICIPAL AIRPORT (7F3), NEAR CADDO MILLS, TEXAS. VISUAL METEOROLOGICAL CONDITIONS PREVAILED. ACCORDING TO THE FLIGHT INSTRUCTOR CONDUCTING THE GLIDER FLIGHT, THE GLIDER HAD BEEN POSITIONED ON THE RIGHT SIDE OF THE 150-FOOT WIDE CONCRETE RUNWAY WAITING FOR A TOW-PLANE TO LINE UP IN FRONT FOR THE SCHEDULED SOARING FLIGHT. THE INSTRUCTOR ADDED THAT HE WAS STANDING ON THE LEFT SIDE OF THE GLIDER EXPLAINING TO THE PASSENGER STRAPPED TO THE FRONT SEAT HOW THE FLIGHT WAS TO BE CONDUCTED. WHILE STANDING, THE FLIGHT INSTRUCTOR HEARD SOMEONE SHOUT, AND HE LOOKED UP. THE FLIGHT INSTRUCTOR REPORTED THAT HE OBSERVED THE TOW PLANE THAT HAD JUST LANDED ON THE LEFT SIDE OF THE RUNWAY, VEERING STRAIGHT FOR THE GLIDER. TO AVOID BEING HIT, HE JUMPED OVER THE FUSELAGE OF THE GLIDER. THE PILOT OF THE LANDING TOW PLANE, A SINGLE ENGINE CESSNA 305, N5255G, LOST CONTROL OF THE TAIL WHEEL EQUIPPED AIRPLANE DURING THE LATTER PART OF THE LANDING ROLL, THUS COLLIDING WITH THE GLIDER. EXAMINATION OF THE CESSNA REVEALED THAT THE LEFT MAIN LANDING GEAR STRUT FRACTURED DUE TO FATIGUE, CAUSING THE MAIN WHEEL ASSEMBLY TO SEPARATE FROM THE LANDING GEAR STRUT. DAMAGE TO THE AIRPLANE WAS MINOR. EXAMINATION OF THE GLIDER REVEALED STRUCTURAL DAMAGE TO THE LEFT WING AND LEFT AILERON; THERE WERE NO INJURIES INVOLVED WITH EITHER AIRCRAFT.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB FTW04LA190Accident · No injuriesLimited investigationFinal reportCaddo Mills, TXThe other pilot's inability to maintain directional control during landing roll as a result of the failure of the landing gear.Jul 17, 2004 · Substantial damage

Other reports on N858BG · 1

Matched to the same aircraft by N-number and date.

Accident 19941204040429AFinal Approach · Blairstown, NJStruck tree on final. View restricted by large passenger in front seat. Lacked recent flight time to carry persons.Dec 4, 1994 · Reported as Grob G103ATWIN2 · Substantial damage