# NTSB CHI83FA353: Gulfstream AA-5B, N4557E, West Chicago, IL, August 2, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Field investigation · Final report
- Date: August 1, 1983, 21:20 local (Aug 2, 1983, 02:20 UTC)
- Place: West Chicago, IL
- Coordinates: 41.879375, -88.220207 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.8794&lon=-88.2202&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12010
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83FA353
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12010/pdf
- Page: https://openairdocs.org/ntsb/CHI83FA353

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - light condition - dark night (contributing factor)
  - flare - improper, pilot in command (cause)
  - lack of recent experience in type operation, pilot in command (contributing factor)
  - recovery from bounced landing - improper, pilot in command (cause)
- In flight collision with object, landing
  - go-around - delayed, pilot in command (cause)
  - terrain condition - high vegetation (contributing factor)
  - object - fence (contributing factor)

## Analysis

THE PLT REPORTED THAT DURING A NIGHT LANDING, THE ACFT BEGAN TO PORPOISE. HE APPLIED POWER TO GO AROUND, BUT THE PLANE WENT OFF THE LEFT SIDE OF THE RWY. SUBSEQUENTLY, IT COLLIDED WITH BRUSH & A CHAIN LINK FENCE & CAME TO REST ON RESIDENTIAL PROPERTY. THE PLT REPORT HAVING 1 HR OF NIGHT TIME DURING THE PREVIOUS 90 DAYS.

## Aircraft

- Registration: [N4557E](https://openairdocs.org/deregistered/N4557E-2022-07-02), registration cancelled 2022-07-02, S/N AA-5B-1230 (OpenAirDocs)
- Reported make and model: GULFSTREAM AA-5B
- Registry model: [Gulfstream American AA-5B](https://openairdocs.org/model/gulfstream-american-aa-5b) (registry code 3970106) (OpenAirDocs)
- Category: Airplane
- Serial number: AA5B-1230
- Airframe hours: 604
- Engines: LYCOMING O-360-A4K 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: J. B. Watkin
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, June 25, 1983, 50 hours before
- Departed: OSH, OSHKOSH, WI
- Airport: DPA, Dupage, runway 33, 3,500 × 100 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; private; airplane ratings: single-engine land; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 89 total, 7 in this make and model, 51 as pilot in command, 7 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: calm
- Visibility: 25 statute miles
- Lowest ceiling: none
- Altimeter: 30.00 inHg
- Observed at: DPA

## Other investigations on N4557E (1)

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 DEN91LA021](https://openairdocs.org/ntsb/DEN91LA021), Nov 25, 1990: Gulfstream AA-5B (N4557E), Erie, CO, substantial damage. Probable cause: IMPROPER FLARE BY THE PILOT, WHICH RESULTED IN A HARD LANDING. A REALTED FACTOR WAS: LOW LIGHT CONDITION AT DUSK.

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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