# NTSB UNK65X1087: Beechraft 35B33, N1548Z, Gregory, SD, December 22, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 22, 1964
- Place: Gregory, SD · GREGORY, SD
- Location: 43.2300° N, 99.4209° W: Placed by OpenAirDocs: center of Gregory, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.2300&lon=-99.4209&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 22, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 180298
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X1087
- Page: https://openairdocs.org/ntsb/UNK65X1087

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3719  64/12/22   GREGORY SD          BEECHRAFT 35B33     CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 37, 593
        TIME - 0900                    N1548Z              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 175 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - GREGORY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
          PILOT-ATTEMPTED TAKEOFF WITH FROST ON AIRCRAFT
```

## Aircraft

- Registration: [N1548Z](https://openairdocs.org/deregistered/N1548Z-1971-12-14), registration cancelled 1971-12-14, S/N CD-424 (OpenAirDocs)
- Reported make and model: BEECHRAFT 35B33
- Registry model: [Beech 35-B33](https://openairdocs.org/model/beech-35-b33) (registry code 1151406) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Gregory

## Other investigations on N1548Z (2)

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 NYC71AN097](https://openairdocs.org/ntsb/NYC71AN097), Apr 3, 1971: Beech 35-B33 (N1548Z), Forestville, NY, destroyed, 1 fatal
- [NTSB NYC71FHA15](https://openairdocs.org/ntsb/NYC71FHA15), Sep 7, 1970: Beech 35-B33 (N1548Z), Forty Fort, PA, 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.

---
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.
