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Accidents · NTSB MKC90LA076 · Final report

Grumman G-164B accident near Newport, Arkansas, March 28, 1990

On March 28, 1990, a Grumman G-164B, registered N3630U, was substantially damaged in an accident near Newport, Arkansas (Private airport). It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

FAILURE OF THE PILOT TO MAINTAIN PROPER RUNWAY ALIGNMENT, WHICH RESULTED IN AN ENCOUNTER WITH SOFT/WET (MUDDY) TERRAIN AND A SUBSEQUENT NOSE OVER OF THE AIRCRAFT.

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

What the record shows

Date
March 28, 1990
Place
Newport, Arkansas · Private · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Grumman G-164B · all G-164Bs on the register
Registration
N3630U · registry record · serial 760B
Damage
Substantial damage
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

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

THE COMMERCIAL PILOT SAID THAT WHILE LANDING, DURING AN AERIAL APPLICATION OPERATION, DIRECTIONAL CONTROL WAS LOST AND THE RIGHT LANDING GEAR ENCOUNTERED SOFT MUDDY CONDITIONS WHICH RESULTED IN A NOSE OVER.

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: commercial pilot
  • Ratings: single-engine land
  • Flight time: 2,791 hours in all; 2,400 in this make and model; 100 in the last 90 days; 60 in the last 30 days; 2,791 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: unk

The aircraft

  • Last inspection: inspection type not recorded
  • Maximum gross weight: 5,200 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: P&W R-1340-AN1 (piston); 0 hours total
  • Operator: Mid-Continent Aircraft CORP.

The flight

  • Departed from: NONE Newport AR
  • Flight plan: none
  • Runway 17, 2,650 ft by 60 ft

Weather at the time

  • Light: daylight
  • Wind: from 060° at 5 knots
  • Visibility: 10 statute miles
  • Sky: broken clouds at 10,000 ft; not recorded
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)
  • Observation at 11:50 pm from JBR, 30 miles away

Injuries

FatalSeriousMinorNone
Crew1

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.

Other NTSB records under N3630U the same tail number, which may have belonged to a different aircraft at the time

1992-08-04FTW92DPG11 · accident near Fouke, AR · substantial damage · no injuries

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.