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| Date: | Sunday 15 November 1987 |
| Time: | 18:15 |
| Type: |  Cessna 441 Conquest II |
| Owner/operator: | U.S. Customs Service |
| Registration: | N2484B |
| MSN: | 441-0112 |
| Total airframe hrs: | 1461 hours |
| Engine model: | GARRETT TPE331-8-4025 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Mexicali -
 Mexico
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | San Diego, CA (NZY) |
| Palm Springs, CA (PSP) | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
A CESSNA 441 OPERATED BY THE USCS COLLIDED WITH TERRAIN WHILE ON A AUTHORIZED NIGHT TACTICAL FLIGHT. THE COPILOT DID NOT MEET THE CURRENCY STANDARDS AS REQUIRED BY USCS AND WAS NOT QUALIFIED IN THE ACFT. THE FLIGHT ORIGINATED DURING THE DAYLIGHT HOURS AND CONTINUED TO ASTRONOMICAL TWILIGHT. THE PILOTS DID NOT DARK ADAPT PREVIOUS TO THE NIGHT CONDITIONS. DARK ADAPTION WAS IMPEDED BY FLIGHT THROUGH VARIOUS LIGHT CONDITIONS CREATED BY TERRAIN AND AMBIENT LIGHT LEVELS. WITH NIGHT VISION IMPEDED THE PILOT WOULD NOT HAVE BEEN ABLE TO DINSTINGUISH RELIEF OF THE TERRAIN. THE ACFT COLLIDED WITH A SMALL RIDGE THAT ABRUPTLY ROSE 300 FT. CAUSE:
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X32542
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 19-Nov-2017 09:06 | wf | Updated [Aircraft type, Operator] |
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