# NTSB Accident DEN90LA046
> **BOEING 757-222** · 1990-01-16 · NEW YORK, NY, USA · NONE
## Event
- **NTSB number:** DEN90LA046
- **Event ID:** 20001212X22410
- **Type:** Accident
- **Date:** 1990-01-16
- **Location:** NEW YORK, NY, USA
- **Coordinates:** 40.770709, -73.870697
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 176
- **Total aboard:** 176
## Aircraft
- **Make:** BOEING
- **Model:** 757-222
- **Registration:** N505UA
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

OVERROTATION OF THE AIRCRAFT DURING TAKEOFF.  FACTORS RELATED TO THE ACCIDENT WERE: THE FIRST OFFICER'S IMPROPER USE OF THE FLIGHT MANUAL, WHICH RESULTED IN HIS IMPROPER CALCULATIONS OF THE ROTATION SPEED, AND INADEQUATE SUPERVISION CONCERNING VERIFICATION OF THE TAKEOFF DATA BY THE CAPTAIN.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90LA046) · AI Analytics · CC0 1.0*