Sikorski S58ST N47246
4 August 1974 · Umiat, Alaska, United States · Serious injuries
Summary
On 4 August 1974 at about 15:00 local time, a Sikorski S58ST registered N47246, operated by Anchorage Heli, was involved in an accident during the takeoff phase of flight near Umiat, Alaska, United States. One person was on board and one was seriously injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 15:00
- Classification
- Accident
- Location
- Umiat, Alaska, United States
- Coordinates
- Not recorded
- Aircraft
- Sikorski S58ST
- Registration
- N47246
- Category
- Helicopter
- Engines
- 1
- Operator
- Anchorage Heli
- Operating rule
- Contract Carrier
- Purpose of flight
- Charter Cargo-Domestic
- Phase of flight
- Takeoff
- Route
- S → Local
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Daylight
- NTSB number
- 3-2360
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 1 | 0 | 0 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
RAPID APPLICATION OF COLLECTIVE, EXPERIENCED COLLECTIVE BOUNCE.INSUFFICIENT COLLECTIVE FRICTION.
Quoted verbatim from the NTSB record.
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 10 Jan 1974 | Aeronca 7BCM | Arboles, Colorado, United States | - | No injuries | - |
| 28 Feb 1974 | Piper PA-18 | Joliet, Illinois, United States | Joliet Municip | No injuries | - |
| 23 Feb 1974 | Cessna 172 | Ely, Minnesota, United States | Wilderness WIN | No injuries | - |
| 23 Apr 1974 | Bell 47G-2 | Seward, Alaska, United States | Heli-Lift, Inc | Minor injuries | - |
| 7 May 1974 | Sikorsky S55B | Kaneohe, Hawaii, United States | Rotorlift Inc | No injuries | - |
| 4 May 1974 | Cessna 206 | Miami, Florida, United States | - | No injuries | - |