# NTSB UNK64X2398: Piper PA18, N2421A, Sleepy Eye, MN, June 20, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 20, 1964
- Place: Sleepy Eye, MN · SLEEPY EYE, MN
- Location: 44.2989° N, 94.7236° W: Placed by OpenAirDocs: center of Sleepy Eye, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.2989&lon=-94.7236&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 5, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183449
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2398
- Page: https://openairdocs.org/ntsb/UNK64X2398

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1749  64/6/20    SLEEPY EYE MINN     PIPER PA18          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N2421A              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE UNK/NR, 2000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 1100 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: TREES                                     TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           WEATHER - SUDDEN WINDSHIFT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      95
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           2                                                       VFR
        TYPE OF FLIGHT PLAN
          NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1100                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             ELEVATION-AREA BEING TREATED-FEET -  1170
```

## Aircraft

- Registration: [N2421A](https://openairdocs.org/deregistered/N2421A-1965-05-19), registration cancelled 1965-05-19, S/N 18-1923 (OpenAirDocs)
- Reported make and model: PIPER PA18
- Registry model: [Piper PA-18A-135](https://openairdocs.org/model/piper-pa-18a-135) (registry code 7101822) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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