# NTSB IAD79FA083: Hughes 269B, N9482F, Gaithersburg, MD, September 17, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 17, 1979
- Place: Gaithersburg, MD · GAITHERSBURG, MD
- Location: 39.1486° N, 77.1951° W: Placed by OpenAirDocs: center of Gaithersburg, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1486&lon=-77.1951&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 18, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 133930
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD79FA083
- Page: https://openairdocs.org/ntsb/IAD79FA083

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2203  79/9/17    GAITHERSBURG,MD     HUGHES 269B         CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1820                    N9482F              PX-  0  0  0  DUAL                      46, 5547 TOTAL HOURS, 197
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MONTGOMERY COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          GAITHERSBURG,MD             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        REMARKS- PRACTICE FULL AUTOROTATION.BOTH PLTS ON CTLS,PULLED AFT CYCLIC AFTER T/D.MN ROTOR SEVERED TAILBOOM
```

## Aircraft

- Registration: [N9482F](https://openairdocs.org/deregistered/N9482F-1982-10-07), registration cancelled 1982-10-07, S/N 1160288 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Montgomery County

## 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 19790917030319A](https://openairdocs.org/incident/19790917030319A), Sep 17, 1979: Hughes 269B, Gaithersburg, MD, Substantial damage. Student and instructor,practicing auto rotation landings,made hard landing on third try,main rotor hit tail boom

## Other investigations on N9482F (3)

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 ATL80FA073](https://openairdocs.org/ntsb/ATL80FA073), Jul 12, 1980: Hughes 269B (N9482F), Washington, DC, substantial damage
- [NTSB MIA77FLA06](https://openairdocs.org/ntsb/MIA77FLA06), Nov 8, 1977: Hughes 269B (N9482F), Gainesville, FL, substantial damage
- [NTSB CHI77FEE18](https://openairdocs.org/ntsb/CHI77FEE18-157778), Apr 16, 1977: Hughes 269B (N9482F), Indianapolis, IN, 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.
