# NTSB UNK65X0437: Convair CV-340, N73155, Rock Springs, WY, October 25, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 25, 1964
- Place: Rock Springs, WY · ROCK SPRINGS, WY
- Location: 41.5947° N, 109.2209° W: Placed by OpenAirDocs: center of Rock Springs, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5947&lon=-109.2209&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 25 uninjured
- Status: Completed, report January 22, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 181577
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0437
- Page: https://openairdocs.org/ntsb/UNK65X0437

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0048  64/10/25   ROCK SPRINGS WYO    CONVAIR CV-340      CR-  0  0  3  SCHED DOM PASSG SRV       ATP,FLIGHT INSTR., AGE
        TIME - 1958                    N73155              PX-  0  0 24                            47, 19774 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1187 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ROCK SPRINGS
        OPERATOR - FRONTIER AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           COPILOT - IMPROPER LEVEL OFF
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
```

## Aircraft

- Registration: [N73155](https://openairdocs.org/deregistered/N73155-1991-09-06), registration cancelled 1991-09-06, S/N 119 (OpenAirDocs)
- Reported make and model: CONVAIR CV-340
- Registry model: [Convair 340-31](https://openairdocs.org/model/convair-340-31) (registry code 2422804) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Rock Springs

## Other investigations on N73155 (2)

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 DEN71ID033](https://openairdocs.org/ntsb/DEN71ID033), Jan 29, 1971: Convair 580 (N73155), Albuquerque, NM, incident, no damage
- [NTSB DEN67I0036](https://openairdocs.org/ntsb/DEN67I0036), Dec 14, 1966: Convair 580 (N73155), Salt Lake City, UT, incident, substantial damage

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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