# NTSB CHI77FEE77: Brantly B2B, N44DS, Waukegan, IL, September 11, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 11, 1976
- Place: Waukegan, IL · WAUKEGAN, IL
- Location: 42.3694° N, 87.8709° W: Placed by OpenAirDocs: center of Waukegan, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3694&lon=-87.8709&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 25, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156073
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEE77
- Page: https://openairdocs.org/ntsb/CHI77FEE77

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4089  76/9/11    WAUKEGAN,IL         BRANTLY B2B         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0900                    N44DS               PX-  0  0  0  DUAL                      AGE 44, 1597 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            127 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - WAUKEGAN MEMORIAL
        DEPARTURE POINT             INTENDED DESTINATION
          WAUKEGAN,IL                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
```

## Aircraft

- Registration: [N44DS](https://openairdocs.org/deregistered/N44DS-2013-04-17), registration cancelled 2013-04-17, S/N 30, built 1960 (OpenAirDocs)
- Reported make and model: BRANTLY B2B
- 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
- Airport: Waukegan Memorial

## 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 19760911038979A](https://openairdocs.org/incident/19760911038979A), Sep 11, 1976: Hynes B2, Waukegan, IL, 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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