- Date
- July 28, 1968
- Place
- Robinson Creek, KY · ROBINSON CREEK, KY
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N4247Sikorsky S-58A
- Status
- Completed · report April 18, 1969
- Report
- Brief approved by the director
- Case key
- 108726
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-4867 68/7/28 ROBINSON CREEK,KY SIKORSKY S-58A CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 0655 N4247 PX- 0 0 1 CONSTRUCTION AGE 46, 6775 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 1010 IN TYPE, NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE ROLL OVER LANDING: LEVEL OFF/TOUCHDOWN PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: OTHER MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE TERRAIN - WET,SOFT GROUND EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- RETAINING BOLTS FAILED IN CAM AND SECOND ORDER BALANCE WEIGHT UNIT.RESULTED IN LOSS OF CAM ACTION.
Aircraft
- Registration
- N4247
- Reported as
- Sikorsky S-58A
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N4247Registration cancelled Jun 18, 2013 · Sikorsky S-58BAirframe modelSikorsky S-58BEngine modelWright C9HE series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Other investigations on N4247 · 2
Matched to the same aircraft by N-number and date.