# NTSB DIA69F0164: Aeronca 11AC, N9636E, Frederick, MD, March 23, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 23, 1969
- Place: Frederick, MD · FREDERICK, MD
- Location: 39.4385° N, 77.4117° W: Placed by OpenAirDocs: center of Frederick, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.4385&lon=-77.4117&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 6, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 191414
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DIA69F0164
- Page: https://openairdocs.org/ntsb/DIA69F0164

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0304  69/3/23    FREDERICK,MD        AERONCA 11AC        CR-  0  0  2  INSTRUCTIONAL             PRIVATE, AGE 29, 91 TOTAL
        TIME - 1625                    N9636E              PX-  0  0  0  DUAL                      HOURS, 7 IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - FREDERICK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER LEVEL OFF
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- PVT PLT CHECKING OUT OTHER PVT PLT IN ACFT.
```

## Aircraft

- Registration: [N9636E](https://openairdocs.org/aircraft/N9636E), registered now, S/N 11AC-1277, built 1946 (OpenAirDocs)
- Reported make and model: AERONCA 11AC
- Registry model: [Aeronca 11AC](https://openairdocs.org/model/aeronca-11ac) (registry code 0191102) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Frederick

## Other investigations on N9636E (1)

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 CHI78FEG18](https://openairdocs.org/ntsb/CHI78FEG18), Sep 23, 1978: Aeronca 11AC (N9636E), Lebanon, OH, 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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