# NTSB DEN81FA048: Ryan Aero ST-A, N27JG, Eaton, CO, July 10, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 10, 1981
- Place: Eaton, CO · EATON, CO
- Location: 40.5257° N, 104.7130° W: Placed by OpenAirDocs: center of Eaton, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5257&lon=-104.7130&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report August 26, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125116
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FA048
- Page: https://openairdocs.org/ntsb/DEN81FA048

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1781  81/7/10  NR.EATON,CO           RYAN AERO ST-A      CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 42, 12000
        TIME - 1645                    N27JG               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 2 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - THOMPSON
        DEPARTURE POINT             INTENDED DESTINATION
          THOMPSON                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE AND CLEARANCE
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           WEATHER - HIGH DENSITY ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      90
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- ACFT OBSD TO ROLL INVERTED & SPLIT-S.D/A APRX 7900FT.
```

## Aircraft

- Registration: [N27JG](https://openairdocs.org/deregistered/N27JG-2012-09-20), registration cancelled 2012-09-20, S/N 151, built 1937 (OpenAirDocs)
- Reported make and model: RYAN AERO ST-A
- Registry model: [Ryan Aeronautical ST-A](https://openairdocs.org/model/ryan-aeronautical-st-a) (registry code 7830402) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Thompson

## 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 19810710041509A](https://openairdocs.org/incident/19810710041509A), Jul 10, 1981: Ryan STA, Eaton, CO, Destroyed. Aircraft made split s maneuver from about 500 feet AGL. Crash occurred during recovery.

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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