# NTSB DEN77FTE01: Grum Amer AA-5A, N9716U, Idaho Spgs, CO, October 2, 1976

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: October 2, 1976
- Place: Idaho Spgs, CO · IDAHO SPGS, CO
- Location: 39.7488° N, 105.5047° W: Placed by OpenAirDocs: center of Idaho Springs, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7488&lon=-105.5047&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious
- Status: Completed, report November 17, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 149728
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN77FTE01
- Page: https://openairdocs.org/ntsb/DEN77FTE01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3130   76/10/2 NR.IDAHO SPGS,CO      GRUM AMER AA-5A     CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 23, 152
        TIME - 1615                    N9716U              PX-  0  2  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 8 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BOULDER,CO                  RETURN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
```

## Aircraft

- Registration: [N9716U](https://openairdocs.org/deregistered/N9716U-1981-06-04), registration cancelled 1981-06-04, S/N AA5A-0116 (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)
- 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 19761002033109A](https://openairdocs.org/incident/19761002033109A), Oct 2, 1976: Grumav AA5A, Idaho Spgs, CO, Destroyed

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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