Cessna 188B accident near South Haven, Michigan, August 26, 1997
On August 26, 1997 at about 4:30 pm local time, a Cessna 188B, registered N21639, was substantially damaged in an accident near South Haven, Michigan. 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 a connecting rod in the engine assembly, which resulted in loss of engine power and a forced landing. Factors relating to the accident were: lack of a recommended engine overhaul, and the lack of suitable terrain for an emergency landing.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 26, 1997 · about 4:30 pm local time
- Place
- South Haven, Michigan · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 188B · all 188Bs on the register
- Registration
- N21639 · no longer on the register · serial 18800925
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
After pulling up from a swath run, the engine lost power. The pilot then made a forced landing in a blue berry field. Postaccident investigation revealed a failed connecting rod in the engine. The engine had accumulated 1,900 hours since the last overhaul. The manufacturer's recommended interval for overhaul was 1,200 hours. The company owner said that he knew the engine was going to need an overhaul; however, he hoped that it would last until the aerial application season was 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; instrument: airplane
- Flight time: 3,017 hours in all; 2,000 in this make and model; 250 in the last 90 days; 80 in the last 30 days; 2,997 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: ctr
The aircraft
- Airframe total time: 5,067 hours
- Last inspection: annual inspection, April 22, 1997; 296 hours since
- Maximum gross weight: 4,000 lb
- Seats: 1
- Landing gear: fixed
- Engine: Continental IO-520-D (piston); 0 hours total
The flight
- Departed from: 0D1 MI at 2:10 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 150° at 7 knots
- Visibility: 4 statute miles
- Sky: clear
- Temperature: 70°F (21°C), dew point 64°F (18°C)
- Altimeter: 30.00 inHg
- Observation at 3:53 pm from KBE, 17 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
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.