Unfallbericht:
On landing the nose wheel tire recap separated, striking and disconnecting the nose gear torque link pins. The landing gear leg then collapsed. The DC-7 named "Mainliner Capt. Ralph Johnston" was consequently sold to Barter Machinery & Supply and broken up.
PROBABLE CAUSE(S)
airframe - landing gear: nosewheel assemblies
airframe - landing gear: wheels,tires,axles
miscellaneous acts, conditions - material failure
FACTOR(S)
miscellaneous acts, conditions - vibration, excessive
| Status: | Accident investigation report completed and information captured |
| Datum: | Mittwoch 18 Mai 1966 |
| Zeit: | 17:40 |
| Flugzeugtyp: |  Douglas DC-7 |
| Fluggesellschaft: | United Airlines |
| Kennzeichen: | N6339C |
| Werknummer: | 45153/822 |
| Baujahr: | 1957 |
| Besatzung: | Todesopfer: 0 / Insassen: 4 |
| Fluggäste: | Todesopfer: 0 / Insassen: 0 |
| Gesamt: | Todesopfer: 0 / Insassen: 4 |
| Sachschaden: | Zerstört |
| Konsequenzen: | Written off (damaged beyond repair) |
| Unfallort: | Denver-Stapleton International Airport, CO (DEN) ( USA)
|
| Flugphase: | Landung (LDG) |
| Betriebsart: | Ausbildungsflug |
| Flug von: | ? |
| Denver-Stapleton International Airport, CO (DEN/KDEN), USA |
On landing the nose wheel tire recap separated, striking and disconnecting the nose gear torque link pins. The landing gear leg then collapsed. The DC-7 named "Mainliner Capt. Ralph Johnston" was consequently sold to Barter Machinery & Supply and broken up.
Probable Cause:
PROBABLE CAUSE(S)
airframe - landing gear: nosewheel assemblies
airframe - landing gear: wheels,tires,axles
miscellaneous acts, conditions - material failure
FACTOR(S)
miscellaneous acts, conditions - vibration, excessive
Informationsquelle:
» NTSB file # 1-0038Fotos
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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