# NTSB Accident ANC96FA098
> **Sikorsky CH-54A** · 1996-07-13 · KETCHIKAN, AK, USA · FATL
## Event
- **NTSB number:** ANC96FA098
- **Event ID:** 20001208X06129
- **Type:** Accident
- **Date:** 1996-07-13
- **Location:** KETCHIKAN, AK, USA
- **Coordinates:** 55.610633, -131.579589
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Sikorsky
- **Model:** CH-54A
- **Registration:** N541SB
- **FAR Part:** 133
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

failure of the number 5 tailrotor bearing.  A factor relating to the accident was: the uneven/steep sloping terrain, where the pilot was forced to land.  Possible factors were: inadequate handling/labeling of the 'relubed' bearing by intermediate supplyier(s), and/or insufficient shelf life/service limits for military surplus parts.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC96FA098) · AI Analytics · CC0 1.0*