- Date
- August 4, 1974
- Place
- Umiat, AK · UMIAT, AK
- Injuries
- 1 serious
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N47246Sikorski S58ST
- Status
- Completed · report September 23, 1974
- Report
- Brief approved by the director
- FAA report
- 19740804027309A
- Case key
- 134537
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2360 74/8/4 NR.UMIAT,ALAS SIKORSKI S58ST CR- 0 1 0 COMMERCIAL ATP,FLIGHT INSTR., AGE TIME - 1500 N47246 PX- 0 0 0 CTR CARGO-D UNK/NR, 13500 TOTAL DAMAGE-SUBSTANTIAL OT- 0 0 0 HOURS, 256 IN TYPE, INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION UMIAT,ALAS LOCAL TYPE OF ACCIDENT PHASE OF OPERATION HARD LANDING TAKEOFF: VERTICAL PROBABLE CAUSE(S) PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - LOAD NOT JETTISONED REMARKS- RAPID APPLICATION OF COLLECTIVE,EXPERIENCED COLLECTIVE BOUNCE.INSUFFICIENT COLLECTIVE FRICTION.
Aircraft
- Registration
- N47246
- Reported as
- Sikorski S58ST
- Category
- Helicopter
- Engine
- turbo shaft
- Damage
- Substantial damage
N47246Registration cancelled Oct 14, 2014 · Sikorsky S-58JTAirframe modelSikorsky S-58JTEngine modelAmateur-built UNKNOWN ENG
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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N47246 · 1
Matched to the same aircraft by N-number and date.