# NTSB ANC66A0028: Cessna 180, N9664B, Tyonek, AK, January 8, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 8, 1966
- Place: Tyonek, AK · TYONEK, AK
- Location: 61.0681° N, 151.1369° W: Placed by OpenAirDocs: center of Tyonek, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.0681&lon=-151.1369&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 July 22, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 174007
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC66A0028
- Page: https://openairdocs.org/ntsb/ANC66A0028

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1241   66/1/8  NR.TYONEK ALAS        CESSNA 180          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 46, 1108
        TIME - 1000                    N9664B              PX-  0  0  1  AIR TAXI-PASSG            TOTAL HOURS, 68 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           TERRAIN - SNOW-COVERED
        REMARKS- PILOT INITIATED TAKEOFF WITHOUT ADEQUATE PRIOR PLANNING.WAS AIRBORNE TOO LATE TO CLEAR OBSTRUCTION
```

## Aircraft

- Registration: [N9664B](https://openairdocs.org/deregistered/N9664B-1976-11-11), registration cancelled 1976-11-11, S/N 32961, built 1957 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180A](https://openairdocs.org/model/cessna-180a) (registry code 2072604) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9664B (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 ANC76DAH73](https://openairdocs.org/ntsb/ANC76DAH73), Sep 16, 1976: Cessna 180A (N9664B), King Salmon, AK, substantial damage, 1 fatal

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.