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Accidents · NTSB NYC88LA134 · Preliminary: the investigation is not finished

Beech C17B accident near Butler, Pennsylvania, April 27, 1988

On April 27, 1988 at about 7:00 pm local time, a Beech C17B, registered N47024, was substantially damaged in an accident near Butler, Pennsylvania (Butler CO. airport). It was an instructional flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).

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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 4, 2026. Docket and reports at the NTSB.

What the record shows

Date
April 27, 1988 · about 7:00 pm local time
Place
Butler, Pennsylvania · Butler CO. · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Beech C17B · all C17Bs on the register
Registration
N47024 · registry record · serial C17B-102
Damage
Substantial damage
Flight
Instructional flight · general aviation rules (Part 91)

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

AFTER LANDING THE AIRPLANE WAS TAXIING ON RUNWAY 08 WHEN IT WENT OFF THE SIDE OF THE RUNWAY AND STRUCK A RUNWAY LIGHT AND TAXI SIGN. WHILE ATTEMPTING TO GET BACK ON THE RUNWAY, THE LEFT GEAR COLLAPSED.

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: flight instructor, commercial pilot
  • Ratings: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 1,681 hours in all; 10 in this make and model; 22 in the last 90 days; 1,320 as pilot in command
  • Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 1,306 hours
  • Last inspection: annual inspection, April 1, 1988
  • Maximum gross weight: 3,165 lb
  • Seats: 5
  • Landing gear: retractable
  • Engine: Jacobs L4MB (piston); 0 hours total

The flight

  • Departed from: 38D at 7:40 pm
  • Flight plan: none
  • Runway 26, 3,998 ft by 100 ft
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 260° at 12 knots
  • Visibility: 15 statute miles
  • Sky: scat at 4,000 ft
  • Temperature: 55°F (13°C), dew point 30°F (-1°C)
  • Altimeter: 29.00 inHg

Injuries

FatalSeriousMinorNone
Crew2

Other NTSB records under N47024 the same tail number, which may have belonged to a different aircraft at the time

2009-06-14ERA09CA350 · accident near Stevensville, MD · substantial damage · no injuries

About this page

Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The docket at the NTSB holds the report as a PDF and the investigation's photographs and documents. This site never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number NYC88LA134.