# NTSB DEN78FA024: Aero Comdr 560A, N2639B, Glenrock, WY, February 19, 1978

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: February 19, 1978
- Place: Glenrock, WY · GLENROCK, WY
- Location: 42.8595° N, 105.8450° W: Placed by OpenAirDocs: center of Glenrock, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.8595&lon=-105.8450&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 6 fatal, 1 serious
- Status: Completed, report September 28, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143458
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78FA024
- Page: https://openairdocs.org/ntsb/DEN78FA024

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2147  78/2/19  NR.GLENROCK,WY        AERO COMDR 560A     CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 2020                    N2639B              PX-  5  1  0  PLEASURE/PERSONAL TRANSP  AGE 39, 3485 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            23 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CASPER,WY                   DOUGLAS,WY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - ICE INDUCTION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 2 ENGINES
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        MISSING AIRCRAFT - LATER RECOVERED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  0
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          ZERO                                                     SNOW SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              25
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          340                                                       12
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- RECOVERY DATE 2/20/78.
```

## Aircraft

- Registration: [N2639B](https://openairdocs.org/deregistered/N2639B-2009-07-15), registration cancelled 2009-07-15, S/N 307, built 1956 (OpenAirDocs)
- Reported make and model: AERO COMDR 560A
- Registry model: [Aero Commander 560-A](https://openairdocs.org/model/aero-commander-560-a) (registry code 0141404) (OpenAirDocs)
- Registry engine: [Lycoming GO-480 series](https://openairdocs.org/engine/lycoming-go-480-series) (registry code 41527, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19780219027139A](https://openairdocs.org/incident/19780219027139A), Feb 19, 1978: Rkwell 560A, Glenrock, WY, Destroyed, 5 fatal. Recovery date 2/20/78.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.