ASN Wikibase Occurrence # 28734
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| Date: | Tuesday 28 February 1989 |
| Time: | 11:03 |
| Type: |  Mitsubishi MU-2B-20 |
| Owner/operator: | Flight International of Florida Inc |
| Registration: | N701DM |
| MSN: | 149 |
| Year of manufacture: | 1970 |
| Engine model: | GARRETT TPE-331-1-151 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Location: | offshore California -
 United States of America
|
| Phase: | En route |
| Nature: | Military |
| Departure airport: | |
| KCRQ | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
THE PURPOSE OF THE FLIGHT WAS TO PROVIDE AIRBORNE INTERCEPT TRAINING FOR THE U.S. NAVY. THE MISSION HAD JUST BEEN COMPLETED& THE ACCIDENT AIRCRAFT, FNT701, & ANOTHER AIRCRAFT, FNT492, WERE RETURNING HOME WHEN THE ACCIDENT OCCURRED. RADAR DATA SHOWED FNT701 WAS AT 22,700 FT WHEN IT DESCENDED SLIGHTLY TO 22,500 FT. FNT701 REMAINED AT THIS ALT FOR APPROXIMATELY 2 MINS 37 SECS, THEN BEGAN A DESCENT WHICH RESULTED IN IMPACT WITH THE OCEAN. THIS FINAL DESCENT RATE INITIALLY WAS ABOUT 5,000 FEET PER MEET & INCREASED TO 19,000 FEET PER MINUTE. NO DISTRESS CALLS WERE MADE; HOWEVER, TWO TRANSMISSIONS WERE RECORDED WHICH TOTALED APPROXIMATE 30 SECONDS. THERE WAS NO VOICE COMMUNICATION DURING THESE TRANSMISSIONS, ONLY AN OPEN MIKE & THE SOUND OF PROP(S). DURING THE 1ST TRANSMISSION, THE WORD 'OH' COULD BE HEARD. FNT492 OBSERVED FNT701 DESCEND BELOW THE CLOUDS & DID NOT DETECT ANY DISTRESS SIGNALS. LITTLE WRECKAGE WAS RECOVERED DURING SEARCH & RESCUE OPERATIONS.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
PILOT INCAPACITATION FOR AN UNKNOWN REASON.
Sources:
https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001213X27698&key=1
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 19-Nov-2013 20:25 | Anon. | Updated [Operator, Destination airport] |
| 05-Mar-2016 01:34 | Dr.John Smith | Updated [Operator, Location, Country, Phase, Nature, Source, Narrative] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Aug-2017 08:15 | TB | Updated [Location, Destination airport, Source] |
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