ASN Wikibase Occurrence # 356003
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| Date: | Wednesday 16 April 1997 |
| Time: | 21:10 LT |
| Type: |  Boeing 737-522 |
| Owner/operator: | United Airlines |
| Registration: | N930UA |
| MSN: | 26655/2274 |
| Year of manufacture: | 1992 |
| Total airframe hrs: | 15042 hours |
| Engine model: | Cfm CFM56-3C |
| Fatalities: | Fatalities: 0 / Occupants: 100 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Rialto, CA -
 United States of America
|
| Phase: | Approach |
| Nature: | Unknown |
| Departure airport: | San Fransisco, CA (SFO |
| Ontario, CA (KONT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The aircraft was on a standard instrument arrival when the captain, who was on the controls, noticed a green light illuminating the aircraft. It appeared to him that the light was tracking the aircraft, but as he pointed out that fact to the first officer, the light disappeared. The captain reported that although the light caused a minimal yet persistent loss of night vision, he was able to maintain control of the aircraft throughout the remainder of the flight. He told ATC that the light appeared to emanate from the western edge of the city. A medical examination by Air Force specialists revealed no permanent evidence of eye damage. Investigators were unable to locate the source of the light. There were no NOTAMs for laser light activity at the time of the incident.
Probable Cause: a laser light source of undetermined origin, directed by unknown person(s) toward the cockpit window of the aircraft, while the aircraft was on an approach to land.
Accident investigation:
 |
|
Sources:
NTSB LAX97IA161
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 18:03 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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