- Date
- October 17, 1976
- Place
- Casper, WY · CASPER, WY
- Injuries
- 1 serious, 2 minor
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N398EHBell B-212
- Status
- Completed · report March 30, 1977
- Report
- Brief approved by the director
- Safety recommendations
- Yes
- FAA report
- 19761017042139A
- Case key
- 79427
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 ---------------------------------------------------------------------------------------------------------------------------- 3-4036 76/10/17 CASPER,WY BELL B-212 CR- 0 0 1 MISCELLANEOUS AIRLINE TRANSPORT, AGE TIME - 1245 N398EH PX- 0 1 1 FERRY 57, 16000 TOTAL HOURS, 30 DAMAGE-SUBSTANTIAL OT- 0 0 0 IN TYPE, INSTRUMENT RATED. NAME OF AIRPORT - NATRONA COUNTY DEPARTURE POINT INTENDED DESTINATION LAST ENROUTE STOP DENVER,CO BILLINGS,MONT CASPER,WY TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: TAIL ROTOR LANDING: POWER-ON LANDING ROLL OVER LANDING: POWER-ON LANDING PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY MISCELLANEOUS ACTS,CONDITIONS - RPM-UNCONTROLLABLE-OVERSPEED MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE FACTOR(S) PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT. DIRECTIONAL CONTROL PROBLEM REMARKS- INADVERTANT AND/OR UNRECOGNIZED ROTOR SYSTEM OVER SPEED. NO.4 TAIL ROTOR DRIVE SHFT CRIT. SPD. LOW
Aircraft
- Registration
- N398EH
- Reported as
- Bell B-212
- Category
- Helicopter
- Engine
- turbo shaft
- Damage
- Substantial damage
- Airport
- Natrona County
N398EHRegistration cancelled Apr 10, 2015 · Bell Helicopter Textron 212Airframe modelBell Helicopter Textron 212Engine modelPratt & Whitney Canada PT6T-3
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.