# NTSB CHI92DEV02: Schweitzer Mustang II, N91ES, Decatur, IL, May 25, 1992

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Final report
- Date: May 25, 1992, 14:21 local (19:21 UTC)
- Place: Decatur, IL
- Coordinates: 39.850952, -88.930023 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.8510&lon=-88.9300&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 31, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 15252
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI92DEV02
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/15252/pdf
- Page: https://openairdocs.org/ntsb/CHI92DEV02

## Probable cause

THE PILOT'S DELAY IN INITIATING A GO-AROUND.

## Analysis

THE PILOT OF THE HOMEBUILT AIRPLANE REPORTED HIS DESCENT RATE FOR A LANDING WAS HIGH.  IN THE FLARE, HE ADDED POWER TO GO AROUND, BUT THE AIRPLANE STRUCK THE GROUND AND NOSED OVER.

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - touch-and-go - attempted, pilot in command
  - descent - excessive, pilot in command (contributing factor)
  - go-around - delayed, pilot in command (cause)
- Nose over, landing - roll

## Aircraft

- Registration: [N91ES](https://openairdocs.org/deregistered/N91ES-1993-02-19), registration cancelled 1993-02-19, S/N MII1295 (OpenAirDocs)
- Reported make and model: SCHWEITZER MUSTANG II
- Registry model: [Schweitzer Edward V MUSTANG II](https://openairdocs.org/model/schweitzer-edward-v-mustang-ii) (registry code 1690484) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 1295
- Airframe hours: 37
- Engines: LYCOMING O-320 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Schweitzer, Edward V.
- Registered owner: Schweitzer, Edward V.
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, September 4, 1991, 37 hours before
- Departed: DEC
- Destination: DEC
- Airport: DEC, Decatur, runway 18, 5,300 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 150 total, 37 in this make and model, 120 as pilot in command, 37 in the last 90 days, 13 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: 4,300 ft broken
- Temperature: 64 °F, dew point 39 °F
- Altimeter: 30.00 inHg
- Observed at: DEC, 1 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 19920525016149A](https://openairdocs.org/incident/19920525016149A), May 25, 1992: Amtrbb MUSTANG2, Decatur, IL, Substantial damage. Lost control on beginning a go around with full flaps. Wing hit runway. Aircraft flipped over and slid off runway.

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

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