# NTSB UNK64X3326: Champion 7EC, N9099B, Mercury, NV, August 11, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 11, 1964
- Place: Mercury, NV · MERCURY, NV
- Location: 36.6605° N, 115.9945° W: Placed by OpenAirDocs: center of Mercury, NV, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.6605&lon=-115.9945&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 29, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182159
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3326
- Page: https://openairdocs.org/ntsb/UNK64X3326

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3156  64/8/11    MERCURY NEV         CHAMPION 7EC        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 28, 63 TOTAL
        TIME - 0800                    N9099B              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 8 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - DESERT ROCK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N9099B](https://openairdocs.org/aircraft/N9099B), registered now, S/N 7EC-648, built 1958 (OpenAirDocs)
- Reported make and model: CHAMPION 7EC
- Registry model: [Champion 7EC](https://openairdocs.org/model/champion-7ec) (registry code 21101NM) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Desert Rock

## Other investigations on N9099B (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 LAX93LA142](https://openairdocs.org/ntsb/LAX93LA142), Mar 7, 1993: Champion 7EC (N9099B), Riverside, CA, substantial damage. Probable cause: THE CFI'S INADEQUATE SUPERVISION OF THE FLIGHT, THE DUAL STUDENT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL AND IMPROPER USE OF THE NORMAL BRAKES. CONTRIBUTING TO THIS ACCIDENT WAS THE DUAL STUDENT'S…
- [NTSB LAX79FUG11](https://openairdocs.org/ntsb/LAX79FUG11), Jan 7, 1979: Champion 7EC (N9099B), Upland, CA, 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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