# NTSB NYC74FHM03: Enstrom F-28A, N15SB, Teterboro, NJ, August 25, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 25, 1973
- Place: Teterboro, NJ · TETERBORO, NJ
- Location: 40.8546° N, 74.0596° W: Placed by OpenAirDocs: center of Teterboro, NJ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.8546&lon=-74.0596&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 19, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189074
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC74FHM03
- Page: https://openairdocs.org/ntsb/NYC74FHM03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2616  73/8/25    TETERBORO,NJ        ENSTROM F-28A       CR-  0  0  1  INSTRUCTIONAL             COMMERCIAL, AGE 33, 3800
        TIME - 1430                    N15SB               PX-  0  0  0  SOLO                      TOTAL HOURS, 9 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - TETERBORO
        DEPARTURE POINT             INTENDED DESTINATION
          TETERBORO,NJ                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAXI: AERIAL TAXI, OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE TRAINING OF STUDENT
        REMARKS- PIC LOST CONTROL OF HELICOPTER WHEN ATTEMPTING TO MANEUVER ON HELIPORT BETWEEN PARKED AIRCRAFT.
```

## Aircraft

- Registration: [N15SB](https://openairdocs.org/deregistered/N15SB-1977-07-14), registration cancelled 1977-07-14, S/N 102, built 1972 (OpenAirDocs)
- Reported make and model: ENSTROM F-28A
- Registry model: [Enstrom F-28A](https://openairdocs.org/model/enstrom-f-28a) (registry code 3300406) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Teterboro

## 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 19730825028389A](https://openairdocs.org/incident/19730825028389A), Aug 25, 1973: Enstrm F28A, Teterboro, NJ, Substantial damage. PIC lost control of helicopter when attempting to maneuver on heliport between parked aircraft.

## Other investigations on N15SB (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 NYC76DHD36](https://openairdocs.org/ntsb/NYC76DHD36), Aug 5, 1976: Enstrom F-28A (N15SB), Barnegat Light, NJ, destroyed

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.
