ASN Wikibase Occurrence # 170375
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| Date: | Thursday 31 January 1957 |
| Time: | 11:18 |
| Type: | Northrop F-89D Scorpion |
| Owner/operator: | United States Air Force (USAF) |
| Registration: | 52-1870 |
| MSN: | 4447 |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Other fatalities: | 7 |
| Aircraft damage: | Destroyed |
| Location: | 6,5 km NW from Sunland, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Military |
| Departure airport: | Palmdale, CA |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
Douglas DC-7B N8210 took off from Santa Monica at 10:15 for a local functional test flight. At 10:50 a US Air Force Northrop F-89D-40-NO Scorpion (52-1870) took off from Palmdale, also on a functional test flight following overhaul. Purpose of the flight was to check the radar fire control systems of both all-weather interceptors. Both aircraft were performing their tests at an altitude of 25000 feet, over a published local flying zone (bounded by San Diego, Santa Barbara, Bakersfield and El Centro). An almost head-on mid-air collision occurred and part of the DC-7's left wing was sheared off. The F-89 crashed in flames in the mountains; one of the two crew ejected safely. The DC-7 crashed onto a schoolyard.
At the time of the collision the DC-7 was flying at FL250 and at about 330 knots true airspeed to check carburetor operation at maximum cruise power. The F-89 was turning left from a 135deg heading to 45deg heading using a 30deg bank for a simulated intercept.
Sources:
ASN
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Oct-2014 18:07 | TB | Added |
| 13-Oct-2014 22:48 | ryan | Updated [Country] |
| 02-Aug-2016 10:49 | harro | Updated [Narrative] |
| 25-Dec-2021 22:11 | Cobar | Updated [Time, Total occupants, Phase, Departure airport] |
| 25-Dec-2021 22:15 | Cobar | Updated [Cn] |
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