- Date
- June 29, 1966
- Place
- Kenai, AK · KENAI, AK
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Standing
- Aircraft
- N874Sikorsky S55
- Status
- Completed · report March 2, 1967
- Report
- Brief approved by the director
- Case key
- 171708
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0569 66/6/29 NR.KENAI ALAS SIKORSKY S55 CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1434 N874 PX- 0 0 0 AIR TAXI-CARGO AGE 44, 2156 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 618 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - SHELL PLATFORM A TYPE OF ACCIDENT PHASE OF OPERATION TURBULENCE STATIC: IDLING ROTORS PROBABLE CAUSE(S) WEATHER - DOWNDRAFT,UPDRAFTS WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT SKY CONDITION CEILING AT ACCIDENT SITE CLEAR UNLIMITED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) NONE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 55 WIND VELOCITY-KNOTS TYPE OF WEATHER CONDITIONS 15 VFR TYPE OF FLIGHT PLAN NONE REMARKS- STRONG UPDRAFT WINDS ALONG SIDES OF PLATFORM CAUSED MAIN ROTOR TO STRIKE TAIL BOOM.
Aircraft
- Registration
- N874
- Reported as
- Sikorsky S55
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Shell Platform A
N874Registration cancelled Mar 11, 2013 · Sikorsky S-55Airframe modelSikorsky S-55Engine modelPratt & Whitney R1340 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 N874 · 1
Matched to the same aircraft by N-number and date.