# NTSB OAK66A0013: Breeze H1, N73636, Lincoln, CA, September 25, 1965

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 25, 1965
- Place: Lincoln, CA · LINCOLN, CA
- Location: 38.8779° N, 121.3040° W: Placed by OpenAirDocs: center of Lincoln, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8779&lon=-121.3040&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report December 16, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 176379
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66A0013
- Page: https://openairdocs.org/ntsb/OAK66A0013

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0701  65/9/25    LINCOLN CALIF       BREEZE H1           CR-  1  0  0  MISCELLANEOUS             PRIVATE, AGE 47, 350
        TIME - 1055                    N73636              PX-  0  0  0  TEST                      TOTAL HOURS, 99 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LINCOLN MUN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: LOW PASS
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
          PILOT-IMPROPER INSTALLATION BY PILOT/BUILDER.
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - OUT OF BALANCE
           MISCELLANEOUS ACTS,CONDITIONS - SHEARED
        REMARKS- ROTOR BLADE COUNTERWEIGHT CAME OFF DURING FLIGHT
```

## Aircraft

- Registration: [N73636](https://openairdocs.org/deregistered/N73636-2017-02-04), registration cancelled 2017-02-04, S/N 1, built 1962 (OpenAirDocs)
- Reported make and model: BREEZE H1
- Registry model: [Hone Graham C BREEZE H-I](https://openairdocs.org/model/hone-graham-c-breeze-h-i) (registry code 056195P) (OpenAirDocs)
- Registry engine: [Mcculloch 4318A&E/0-100](https://openairdocs.org/engine/mcculloch-4318a-e-0-100) (registry code 43101, reciprocating) (OpenAirDocs)
- Category: Helicopter, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lincoln Mun

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.