# NTSB UNK64X3091: Hughes 269A, N8841F, Audubon, IA, July 28, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 28, 1964
- Place: Audubon, IA · AUDUBON, IA
- Location: 41.7180° N, 94.9284° W: Placed by OpenAirDocs: center of Audubon, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7180&lon=-94.9284&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 26, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182553
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3091
- Page: https://openairdocs.org/ntsb/UNK64X3091

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0341  64/7/28    AUDUBON  IOWA       HUGHES 269A         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1015                    N8841F              PX-  0  0  0  AERIAL APPLICATION        AGE 45, 20000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 250 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             ELEVATION-AREA BEING TREATED-FEET -  1300
          SWATH RUN-HOW FLOWN - DOWNWIND                           PROCEDURE TURNAROUND - SECOND 1/3 TURN
```

## Aircraft

- Registration: [N8841F](https://openairdocs.org/deregistered/N8841F-1970-06-29), registration cancelled 1970-06-29, S/N 0186 (OpenAirDocs)
- Reported make and model: HUGHES 269A
- Registry model: [Hughes 269A](https://openairdocs.org/model/hughes-269a) (registry code 4470402) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N8841F (2)

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 MKC69D0054](https://openairdocs.org/ntsb/MKC69D0054), Jul 25, 1968: Hughes 269A (N8841F), Onawa, IA, substantial damage
- [NTSB MKC68A0022](https://openairdocs.org/ntsb/MKC68A0022), Sep 8, 1967: Hughes 269A (N8841F), Silver City, IA, 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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