# NTSB DEN68D0182: Cessna 150, N1901Z, Longmont, CO, December 16, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 16, 1967
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 19, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 112672
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN68D0182
- Page: https://openairdocs.org/ntsb/DEN68D0182

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4524  67/12/16   LONGMONT,COLO       CESSNA 150          CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 31, 21 TOTAL
        TIME - 1100                    N1901Z              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - LONGMONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: ICE/SLUSH ON RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N1901Z](https://openairdocs.org/deregistered/N1901Z-2013-11-01), registration cancelled 2013-11-01, S/N 15059701, built 1962 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150C](https://openairdocs.org/model/cessna-150c) (registry code 2071808) (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

## Other investigations on N1901Z (1)

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 ANC13LA016](https://openairdocs.org/ntsb/ANC13LA016), Dec 13, 2012: Cessna 150C (N1901Z), Juneau, AK, substantial damage. Probable cause: The collapse of the left main landing gear during the landing roll, as a result of fatigue cracking. Contributing to the accident was the improper maintenance of the landing gear.

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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