# NTSB DEN77FA053: Maule M4, N4132C, Estes Park, CO, August 16, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 16, 1977
- Place: Estes Park, CO · ESTES PARK, CO
- Location: 40.3689° N, 105.5312° W: Placed by OpenAirDocs: center of Estes Park, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.3689&lon=-105.5312&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report September 30, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146280
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN77FA053
- Page: https://openairdocs.org/ntsb/DEN77FA053

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2058  77/8/16  NR.ESTES PARK CO      MAULE M4            CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 23, 487
        TIME - 1830                    N4132C              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 195 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          BROOMFIELD CO              UNKNOWN/NOT REPORTED         UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        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                                                      60
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- ATTEMPTING TO OUTCLIMB RISING TERRAIN.CRASH SITE 10300FT MSL.
```

## Aircraft

- Registration: [N4132C](https://openairdocs.org/deregistered/N4132C-1977-11-10), registration cancelled 1977-11-10, S/N 5 (OpenAirDocs)
- Reported make and model: MAULE M4
- Registry model: [Maule BEE DEE M-4](https://openairdocs.org/model/maule-bee-dee-m-4) (registry code 5460102) (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 19770816029729A](https://openairdocs.org/incident/19770816029729A), Aug 16, 1977: Maule BEEDEEM4, Estes Park Co, CO, Destroyed, 1 fatal. Attempting to outclimb rising terrain. Crash site 10300FT MSL.

## Other investigations on N4132C (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 SEA68D0195](https://openairdocs.org/ntsb/SEA68D0195), Aug 8, 1967: Maule M-4 (N4132C), Scappoose, OR, substantial damage
- [NTSB SEA67F0329](https://openairdocs.org/ntsb/SEA67F0329), Apr 9, 1967: Maule M-4 (N4132C), Vancouver, WA, 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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