Sikorsky S-58D N94495
21 May 1990 · Juneau, Alaska, United States · Serious injuries
Summary
On 21 May 1990 at about 23:05 local time, a Sikorsky S-58D registered N94495, operated by Alaska Skycranes, was involved in an accident near Juneau, Alaska, United States. 2 people were on board and one was seriously injured. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 23:05
- Classification
- Accident
- Location
- Juneau, Alaska, United States
- Coordinates
- Not recorded
- Aircraft
- Sikorsky S-58D
- Registration
- N94495
- Category
- Helicopter
- Engines
- 1
- Operator
- Alaska Skycranes
- Operating rule
- Part 133: Rotorcraft Ext. Load
- Purpose of flight
- Other Work Use
- Phase of flight
- Not recorded
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA90LA083
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 1 | 0 | 1 |
Probable cause
THE FAILURE OF THE NUMBER 3 SEGMENT OF THE TAIL ROTOR DRIVE SHAFT ASSEMBLY.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT EXPERIENCED LOSS OF TAIL ROTOR CONTROL WHILE AT A HIGH HOVER WITH AN EXTERNAL LOAD OF LOGS. THE ACFT BEGAN SPINNING TO THE RIGHT AND IMPACTED THE GROUND WHILE IN A SPIN. EXAMINATION OF THE WRECKAGE REVEALED A FRACTURE OF THE NO. 3 SEGMENT OF THE TAIL ROTOR DRIVE SHAFT ASSY.
Quoted verbatim from the NTSB record.
Other Sikorsky S-58D accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 6 Aug 1983 | Sikorsky S-58D | Gatlingurg, Tennessee, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 17 Aug 1990 | Aerospatiale AS-350-B | Juneau, Alaska, United States | - | No injuries | - |
| 19 Aug 1990 | Stinson 108 | Cold Foot, Alaska, United States | Beyers, David W. | Serious injuries | - |
| 17 Aug 1990 | Piper PA-22 | Igiugig, Alaska, United States | Robert Bumbaugh | No injuries | - |
| 9 Aug 1990 | Bellanca 8GCBC | Ivishak River, Alaska, United States | - | No injuries | - |
| 20 Aug 1990 | Artic S1B2 | Talkeetna, Alaska, United States | Jenne, Eugene F. | Minor injuries | - |
| 23 Aug 1990 | Cessna 185 | Nenana, Alaska, United States | Clifton, Jesse | No injuries | - |