# NTSB SEA75DYE25: Cessna 170B, N1877C, Sinclair Isl, WA, November 30, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 30, 1974
- Place: Sinclair Isl, WA · SINCLAIR ISL, WA
- Location: 48.6207° N, 122.6774° W: Placed by OpenAirDocs: center of Sinclair Island, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.6207&lon=-122.6774&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 5, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 145019
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75DYE25
- Page: https://openairdocs.org/ntsb/SEA75DYE25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4071  74/11/30   SINCLAIR ISL,WASH   CESSNA 170B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 25, 745
        TIME - 1300                    N1877C              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 450 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            UNK/NR INSTRUMENT RATED.
        NAME OF AIRPORT - SINCLAIR ISLAND
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          SNOHOMISH,WASH              BELLINGHAM,WASH              SINCLAIR ISL,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
        REMARKS- CHOSE DOWNWIND LDG DUE HI TREES AT OTR END & DOWNSLOPE RWY INTO WIND.
```

## Aircraft

- Registration: [N1877C](https://openairdocs.org/deregistered/N1877C-2012-08-06), registration cancelled 2012-08-06, S/N 26021, built 1953 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sinclair Island

## 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 19741130042469A](https://openairdocs.org/incident/19741130042469A), Nov 30, 1974: Cessna 170B, Sinclair Isl, WA, Substantial damage. Chose downwind ldg due hi trees at otr end & downslope rwy into wind.

## Other investigations on N1877C (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 UNK64X0538](https://openairdocs.org/ntsb/UNK64X0538), Feb 11, 1964: Cessna 170B (N1877C), Broomfield, 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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