# NTSB CHI71DEV45: Aer-Pegaso M-100S, N8728R, Greenup, IL, May 20, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 20, 1971
- Place: Greenup, IL · GREENUP, IL
- Location: 39.2479° N, 88.1600° W: Placed by OpenAirDocs: center of Greenup, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2479&lon=-88.1600&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 15, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161913
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71DEV45
- Page: https://openairdocs.org/ntsb/CHI71DEV45

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2153  71/5/20    GREENUP,ILL         AER-PEGASO M-100S   CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 44, 699
        TIME - 1745                    N8728R              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 53 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HIGHLAND,ILL                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           TERRAIN - HIGH VEGETATION
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      72
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          285                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- UN MAINTAIN ALT DRG CROSS-COUNTRY FLT.L WING DRAGGED DRG LDG IN CORN FLD.WINDS OVR TREE LINE.
```

## Aircraft

- Registration: [N8728R](https://openairdocs.org/deregistered/N8728R-2014-11-20), registration cancelled 2014-11-20, S/N 050, built 1964 (OpenAirDocs)
- Reported make and model: AER-PEGASO M-100S
- Registry model: [Avionautica Rio M-100S](https://openairdocs.org/model/avionautica-rio-m-100s) (registry code 0910102) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage

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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