# NTSB CHI88FA183: Boeing B75N1, N4408N, Wonder Lake, IL, July 31, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Field investigation · Final report
- Date: July 31, 1988, 15:30 local (20:30 UTC)
- Place: Wonder Lake, IL
- Location: 42.3749° N, 88.3483° W: Placed by OpenAirDocs: center of Wonder Lake, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3749&lon=-88.3483&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 28, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 13957
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI88FA183
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13957/pdf
- Page: https://openairdocs.org/ntsb/CHI88FA183

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power, takeoff - initial climb
  - weather condition - carburetor icing conditions
  - fuel system,carburetor - ice (cause)
- Forced landing, descent - emergency
- Hard landing, landing - flare/touchdown
  - terrain condition - crop (contributing factor)

## Aircraft

- Registration: [N4408N](https://openairdocs.org/aircraft/N4408N), registered now, S/N 75-7689, built 1943 (OpenAirDocs)
- Reported make and model: BOEING B75N1
- Registry model: [Boeing B75N1](https://openairdocs.org/model/boeing-b75n1) (registry code 1380144) (OpenAirDocs)
- Registry engine: [Lycoming R680](https://openairdocs.org/engine/lycoming-r680) (registry code 41540, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 75-7689
- Airframe hours: 3143
- Engines: LYCOMING R-680-13 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Sonday, Terrence P.
- Registered owner: Sonday, Terrence P
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 19, 1987, 57 hours before
- Departed: 10C
- Destination: 10C
- Airport: 10C, Galt, runway 9, 3,100 × 36 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; seat: rear; flight hours: 1,200 total, 150 in this make and model, 1,100 as pilot in command, 80 in the last 90 days, 30 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 7 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 90 °F, dew point 63 °F
- Altimeter: 30.00 inHg
- Observed at: DPA, 30 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19880731028529A](https://openairdocs.org/incident/19880731028529A), Jul 31, 1988: Boeing B75N1, Greenwood/Wonde, IL, Substantial damage. Pilot reported power loss on takeoff. Stalled into a corn field off end of runway. No engine defects found.

## Other investigations on N4408N (4)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI91LA194](https://openairdocs.org/ntsb/CHI91LA194), Jun 16, 1991: Boeing B75N1 (N4408N), Mundelein, IL, substantial damage. Probable cause: THE PILOT IN COMMAND'S NOT MAINTAINING VISUAL CONTACT WITH THE PREVIOUSLY IDENTIFIED AIRPLANE.
- [NTSB DEN79FA049](https://openairdocs.org/ntsb/DEN79FA049), Jul 14, 1979: Stearman N2S (N4408N), Albuquerque, NM, minor damage, 1 fatal
- [NTSB DEN77FQA49](https://openairdocs.org/ntsb/DEN77FQA49), Aug 19, 1977: Boeing B75N1 (N4408N), Albuquerque, NM, substantial damage
- [NTSB FTW70DPD18](https://openairdocs.org/ntsb/FTW70DPD18), May 29, 1970: Stearman PT17 (N4408N), Seymour, TX, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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