# NTSB DEN76DTE31: Grum Amer AA5, N5434L, Gilman, CO, October 12, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 12, 1975
- Place: Gilman, CO · GILMAN, CO
- Location: 39.5328° N, 106.3939° W: Placed by OpenAirDocs: center of Gilman, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.5328&lon=-106.3939&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report December 1, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151158
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN76DTE31
- Page: https://openairdocs.org/ntsb/DEN76DTE31

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3196  75/10/12   GILMAN,CO           GRUM AMER AA5       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 27, 65 TOTAL
        TIME - 1315                    N5434L              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BOULDER,CO                  ASPEN,CO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - BECAME LOST/DISORIENTED
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      50
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          240                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- PLT STATED ENTRD WRNG CANYON.TRIED TO REVERSE COURSE,HAD TO LND IN TREES.DENS ALT ABT 12000FT.
```

## Aircraft

- Registration: [N5434L](https://openairdocs.org/deregistered/N5434L-1976-05-24), registration cancelled 1976-05-24, S/N AA50504 (OpenAirDocs)
- Reported make and model: GRUM AMER AA5
- Registry model: [Grumman American Avn. AA-5](https://openairdocs.org/model/grumman-american-avn-aa-5) (registry code 3960104) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19751012034529A](https://openairdocs.org/incident/19751012034529A), Oct 12, 1975: Grumav AA5, Gilman, CO, Substantial damage. Plt stated entrd wrng canyon. Tried to reverse course,had to lnd in trees. Dens alt abt 12000FT.

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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