# NTSB MKC66A0003: Brantly B-2, N4990C, Cedar Rapids, IA, July 13, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 13, 1965
- Place: Cedar Rapids, IA · CEDAR RAPIDS, IA
- Location: 42.0083° N, 91.6441° W: Placed by OpenAirDocs: center of Cedar Rapids, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0083&lon=-91.6441&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report October 19, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177227
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC66A0003
- Page: https://openairdocs.org/ntsb/MKC66A0003

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0534  65/7/13    CEDAR RAPIDS IOWA   BRANTLY B-2         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 54, 761
        TIME - 1720                    N4990C              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 50 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
          PILOT-ATTEMPTE DOWNWIND HOVER TURN
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        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                  TEMPERATURE-F
          NONE                                                      81
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          300                                                       13
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- CONDITIONS REQUIRED MAX PERF TO HOVER INTO WIND
```

## Aircraft

- Registration: [N4990C](https://openairdocs.org/deregistered/N4990C-2019-09-06), registration cancelled 2019-09-06, S/N 25, built 1960 (OpenAirDocs)
- Reported make and model: BRANTLY B-2
- Registry model: [Brantly B-2](https://openairdocs.org/model/brantly-b-2) (registry code 1440502) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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