# NTSB Incident OPS10IA020
> **BOEING 777-222** · 2010-03-27 · San Francisco, CA, USA · NONE
## Event
- **NTSB number:** OPS10IA020
- **Event ID:** 20100330X00627
- **Type:** Incident
- **Date:** 2010-03-27
- **Location:** San Francisco, CA, USA
- **Coordinates:** 37.780551, -122.420082
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 268
- **Total aboard:** 268
## Aircraft
- **Make:** BOEING
- **Model:** 777-222
- **Registration:** N216UA
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** —
- **Weather:** —
## Probable cause

The local controller's issuance of a takeoff clearance to the Boeing 777 without ensuring that approved separation would exist with the Cessna 182. Contributing to the incident were tower procedures that permitted transitioning aircraft to cross the runway 28 departure corridor at low altitude while runways 28L/R were in use.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=OPS10IA020) · AI Analytics · CC0 1.0*