# NTSB Accident IAD01FA015
> **Beech F90** · 2000-11-24 · LYNCHBURG, VA, USA · NONE
## Event
- **NTSB number:** IAD01FA015
- **Event ID:** 20001215X45419
- **Type:** Accident
- **Date:** 2000-11-24
- **Location:** LYNCHBURG, VA, USA
- **Coordinates:** 37.333332, -79.199996
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Beech
- **Model:** F90
- **Registration:** N94U
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** NR
- **Weather:** VMC
## Probable cause

Improper rigging of both propeller assemblies by maintenance personnel, which resulted in the inadvertent feathering of both propellers after takeoff.  Factors included a lack of rigging experience in airplane make and model by maintenance personnel, unclear maintenance manual information, and unsuitable terrain for the forced landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=IAD01FA015) · AI Analytics · CC0 1.0*