# NTSB DEN78DTE16: Cessna 150K, N5717G, Longmont, CO, November 23, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 23, 1977
- Place: Longmont, CO · LONGMONT, CO
- Location: 40.1682° N, 105.1005° W: Placed by OpenAirDocs: center of Longmont, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.1682&lon=-105.1005&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 12, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 144687
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78DTE16
- Page: https://openairdocs.org/ntsb/DEN78DTE16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3784  77/11/23 NR.LONGMONT,CO        CESSNA 150K         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1550                    N5717G              PX-  0  0  0  DUAL                      AGE 39, 1033 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            600 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LONGMONT MUNI
        DEPARTURE POINT             INTENDED DESTINATION
         LONGMONT,CO                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N5717G](https://openairdocs.org/deregistered/N5717G-2012-08-27), registration cancelled 2012-08-27, S/N 15071217, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA 150K
- Registry model: [Cessna 150K](https://openairdocs.org/model/cessna-150k) (registry code 2071822) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Longmont Muni

## 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 19771123037989A](https://openairdocs.org/incident/19771123037989A), Nov 23, 1977: Cessna 150K, Longmont, 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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