# NTSB DEN78FTE36: Grum-Amer AA-5A, N9907U, Aurora, CO, March 4, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 4, 1978
- Place: Aurora, CO · AURORA, CO
- Location: 39.7294° N, 104.8319° W: Placed by OpenAirDocs: center of Aurora, CO, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7294&lon=-104.8319&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 18, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143241
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78FTE36
- Page: https://openairdocs.org/ntsb/DEN78FTE36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0391   78/3/4    AURORA,CO           GRUM-AMER AA-5A     CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 45, 85 TOTAL
        TIME - 1715                    N9907U              PX-  0  0  0  PRACTICE                  HOURS, 35 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - COLUMBINE AIRPORT
        DEPARTURE POINT             INTENDED DESTINATION
          AURORA,CO                   LOCAL
        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
           PILOT IN COMMAND - IMPROPER RECOVERY FROM BOUNCED LANDING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
```

## Aircraft

- Registration: [N9907U](https://openairdocs.org/deregistered/N9907U-2009-09-17), registration cancelled 2009-09-17, S/N AA5A0307, built 1977 (OpenAirDocs)
- Reported make and model: GRUM-AMER AA-5A
- Registry model: [Grumman American Avn. AA-5A](https://openairdocs.org/model/grumman-american-avn-aa-5a) (registry code 3960106) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Columbine Airport

## 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 19780304003909A](https://openairdocs.org/incident/19780304003909A), Mar 4, 1978: Grumav AA5A, Aurora, CO, 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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