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Accidents · NTSB SEA88LA188 · Preliminary: the investigation is not finished

Amateur-built BUSHBY MUSTANG II accident near Everett, Washington, September 24, 1988

On September 24, 1988 at about 8:20 pm local time, a amateur-built BUSHBY MUSTANG II, registered N7SV, was destroyed in an accident near Everett, Washington. It was a personal flight under general aviation rules (Part 91). 2 people were killed. The weather was conditions the NTSB did not record.

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

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

What the record shows

Date
September 24, 1988 · about 8:20 pm local time
Place
Everett, Washington · map
Type
Accident
Injuries
2 people were killed.
Weather
conditions the NTSB did not record
Aircraft
Amateur-built BUSHBY MUSTANG II BUSHBY MUS
Registration
N7SV · registry record · serial 479
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

JUST PRIOR TO THE ACDNT, WITNESSES SAW THE ACFT IN A STEEP, HIGH SPEED DESCENT. IMPACT OCCURRED IN SOFT, MARSHY TERRAIN & MUCH OF THE WRECKAGE WAS BURIED. NO MECHANICAL REASON WAS FOUND FOR A LOSS OF CONTROL; HOWEVER, THE ACFT WAS EXTENSIVELY DAMAGED DRG IMPACT. ABOUT 5 MI ENE AT PAYNE FIELD, THE WX WAS, IN PART: 3500' SCATTERED, 7500' OVERCAST, VISIBILITY 3 MI WITH LIGHT DRIZZLE & FOG, WIND 040 AT 5 KTS. APRX 9 MI NORTH AT CASCADE AIRPARK, THE CEILING WAS ESTIMATED TO BE 500' TO 800'.

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: private
  • Ratings: single-engine land
  • Flight time: 750 hours in all
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Last inspection: inspection type not recorded
  • Maximum gross weight: 1,000 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-290 (piston); 0 hours total

The flight

  • Departed from: Everett WA at 8:00 pm
  • Flight plan: none
  • Runway 0
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 040° at 5 knots
  • Visibility: 3 statute miles
  • Sky: overcast; not recorded
  • Temperature: 52°F (11°C), dew point 46°F (8°C)
  • Altimeter: 29.00 inHg
  • Observation at 8:45 pm from PAE, 5 miles away

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.