# NTSB DEN77FTE28: Hughes 269B, N9306F, Erie, CO, March 24, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 24, 1977
- Place: Erie, CO · ERIE, CO
- Location: 40.0403° N, 105.0383° W: Placed by OpenAirDocs: center of Erie, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0403&lon=-105.0383&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report May 12, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157530
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN77FTE28
- Page: https://openairdocs.org/ntsb/DEN77FTE28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0645  77/3/24    ERIE,CO             HUGHES 269B         CR-  0  1  1  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1330                    N9306F              PX-  0  0  0  DUAL                      AGE 28, 1976 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            950 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BROOMFIELD,CO               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      70
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           5                                                       VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- PRACTICE AUTOROTATIONS WITH POWER RECOVERY.D-A 7000 FT.
```

## Aircraft

- Registration: [N9306F](https://openairdocs.org/deregistered/N9306F-2013-03-18), registration cancelled 2013-03-18, S/N 0008, built 1964 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19770324007699A](https://openairdocs.org/incident/19770324007699A), Mar 24, 1977: Hughes 269B, Erie, CO, Destroyed. Practice autorotations with power recovery.d-a 7000 ft.

## Other investigations on N9306F (5)

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 DEN72FTE70](https://openairdocs.org/ntsb/DEN72FTE70), May 18, 1972: Hughes 269B (N9306F), Fort Collins, CO, destroyed
- [NTSB DEN67A0057](https://openairdocs.org/ntsb/DEN67A0057), Mar 27, 1967: Hughes 269B (N9306F), Broomfield, CO, substantial damage
- [NTSB FTW65A0116](https://openairdocs.org/ntsb/FTW65A0116), May 18, 1965: Hughes 269B (N9306F), Lubbock, TX, substantial damage
- [NTSB FTW65A0107](https://openairdocs.org/ntsb/FTW65A0107), Apr 30, 1965: Hughes 269B (N9306F), Lamesa, TX, substantial damage
- [NTSB UNK64X3615](https://openairdocs.org/ntsb/UNK64X3615), Aug 26, 1964: Hughes 269B (N9306F), Wilson, TX, 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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