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Accidents · NTSB LAX93LA019 · Final report

Cessna 310R accident near Saipan, Mp, October 28, 1992

On October 28, 1992 at about 1:05 am local time, a Cessna 310R, registered N5074J, was destroyed in an accident near Saipan (Saipan International airport). It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). 3 people were killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE PILOT NOT FOLLOWING WAKE TURBULENCE (VOTEX) AVOIDANCE PROCEDURES, WHICH ARE DETAILED IN FAA PUBLICATIONS, RESULTING IN THE AIRPLANE ENCOUNTERING WAKE TURBULENCE. FACTORS IN THIS ACCIDENT WERE: 1) THE PILOT'S INABILITY TO CONTROL THE AIRPLANE AFTER ENCOUNTERING WAKE TURBULENCE, AND 2) INADEQUATE ALTITUDE TO EFFECT A RECOVERY FROM THE UNCONTROLLED DESCENT.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
October 28, 1992 · about 1:05 am local time
Place
Saipan, Northern Mariana Islands · Saipan International
Type
Accident
Injuries
3 people were killed.
Weather
visual conditions (good weather)
Aircraft
Cessna 310R · all 310Rs on the register
Registration
N5074J · registry record · serial 310R-0194
Damage
Destroyed
Flight
Flight of an unrecorded kind · charter and air-taxi rules (Part 135)

The NTSB's narrative final · quoted from the NTSB record

AN FAA OPERATIONS INSPECTOR EXAMINED THE AIRPLANE AND INTERVIEWED WITNESSES AT THE SCENE OF THE ACCIDENT. THE WITNESSES REPORTED THAT A MCDONNELL DOUGLAS DC-10 AIRPLANE DEPARTED FROM THE END OF RUNWAY 7 ABOUT ONE MINUTE BEFORE THE ACCIDENT AIRPLANE BEGAN ITS TAKEOFF. THEY SAID THAT THE ACCIDENT AIRPLANE BEGAN ITS TAKEOFF FROM AN INTERSECTION ON RUNWAY 7, ABOUT 2,700 FEET FROM THE DEPARTURE END OF THE RUNWAY, AT ABOUT THE SAME TIME THE DC-10 WAS LIFTING OFF THE GROUND. THEY FURTHER REPORTED THAT THE ACCIDENT AIRPLANE CLIMBED TO ABOUT 200 TO 250 FEET ABOVE THE GROUND; BANKED ABOUT 45 DEGREES TO THE RIGHT; CORRECTED TO ABOUT A 30 DEGREE RIGHT BANK; AND THEN 'SNAPPED' 120 DEGREES TO THE RIGHT. AT THIS POINT, THE WITNESSES SAID THE AIRPLANE BEGAN AN UNCONTROLLED DESCENT AND COLLIDED WITH THE RUNWAY IN AN INVERTED ATTITUDE. THE WITNESSES STATED THEY BELIEVED THE ACCIDENT AIRPLANE ENCOUNTERED WAKE TURBULENCE FROM THE DEPARTING DC-10.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: airline transport pilot
  • Ratings: multi-engine land; single-engine land; instrument: airplane; rotorcraft: helicopter
  • Flight time: 6,582 hours in all; 78 in this make and model; 109 in the last 90 days; 31 in the last 30 days; 6,582 as pilot in command
  • Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Last inspection: continuous airworthiness programme, October 20, 1992
  • Maximum gross weight: 5,500 lb
  • Seats: 6
  • Landing gear: retractable
  • Engine: Continental IO-520-M (piston); 0 hours total
  • Operator: Pacific Island Aviation, INC.

The flight

  • Departed from: GSN at 5:05 am
  • Destination: GRO Rota
  • Runway 7, 8,700 ft by 200 ft

Weather at the time

  • Light: daylight
  • Wind: from 110° at 11 knots
  • Visibility: 7 statute miles
  • Sky: scat at 1,600 ft
  • Temperature: 0°F (-18°C), dew point 79°F (26°C)
  • Altimeter: 29.00 inHg
  • Observation at 5:10 am from GSN, 1 miles away

Injuries

FatalSeriousMinorNone
Crew1
Passengers2

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.