19821202070569I

Incident

FAA incident report · Bell 412 · Intracoastal Ci, LA · December 2, 1982

Date: December 2, 1982 · 22:12 local
Place: Intracoastal Ci, LA
Phase of flight: Normal Cruise
Operating rules: General operating rules (Part 91)
Aircraft: N2258F
NTSB investigation: NTSBFTW83IA053
Reported as: Bell 412
Reported engine: Pratt & Whitney PT6T3B
Fatal injuries: 0
Pilot’s flight hours: 6,820 total967 in this make and model12 in the last 90 days

N2258FRegistration cancelled Jan 12, 2018 · Bell 412S/N 33073 · Built 1982 Airframe modelBell 412 Engine modelPratt & Whitney Canada PT6T-3 seriesTurbo-prop

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Loud noise and vibration. Made emergency landing, found main rotor yoke flex plate had cracked. AD on item not due.

As the FAA filed it

LOUD NOISE AND VIBRATION. MADE EMERGENCY LANDING, FOUND MAIN ROTOR YOKE FLEX PLATE HAD CRACKED. AD ON ITEM NOT DUE.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB FTW83IA053Incident · No injuriesIncident investigationFinal reportIntercoastal Ci, LAWhile in cruise flight, the pilots heard a loud pop and felt a severe cyclic control vibration. An immediate precautionary landing was made. An examination revealed that there was a fatigue crack in the trailing edge of the blue, main rotor yoke flexure, pn…Dec 2, 1982 · No damage