# NTSB DEN67D0251: Cessna 170B, N3521D, Ft.Collins, CO, April 10, 1967

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 10, 1967
- Place: Ft.Collins, CO · FT.COLLINS, CO
- Location: 40.5853° N, 105.0844° W: Placed by OpenAirDocs: center of Fort Collins, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5853&lon=-105.0844&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor, 1 uninjured
- Status: Completed, report September 4, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 117807
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN67D0251
- Page: https://openairdocs.org/ntsb/DEN67D0251

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0323  67/4/10    FT.COLLINS,COLO     CESSNA 170B         CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1000                    N3521D              PX-  0  0  2  SEARCH AND RESCUE         AGE 30, 2000 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            10 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        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                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N3521D](https://openairdocs.org/deregistered/N3521D-1967-11-09), registration cancelled 1967-11-09, S/N 27064 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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