# NTSB Accident NYC89LA081
> **CESSNA 402B** · 1989-02-04 · HYANNIS, MA, USA · NONE
## Event
- **NTSB number:** NYC89LA081
- **Event ID:** 20001213X27797
- **Type:** Accident
- **Date:** 1989-02-04
- **Location:** HYANNIS, MA, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 10
- **Total aboard:** 10
## Aircraft
- **Make:** CESSNA
- **Model:** 402B
- **Registration:** N49PB
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

INADEQUATE PREFLIGHT PLANNING AND PREPARATION BY THE PILOT WHICH RESULTED IN IMPROPER WEIGHT AND BALANCE (AFT CG). THE AFT CG ALSO CONTRIBUTED TO THE UNCOMMANDED ALTITUDE DEVIATION AFTER TAKEOFF.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC89LA081) · AI Analytics · CC0 1.0*