# NTSB MKC69D0388: Piper PA-25, N4927Y, Colby, KS, March 31, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 31, 1969
- Place: Colby, KS · COLBY, KS
- Location: 39.3833° N, 101.0460° W: Placed by OpenAirDocs: center of Colby, KS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.3833&lon=-101.0460&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 June 24, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 189009
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC69D0388
- Page: https://openairdocs.org/ntsb/MKC69D0388

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1063  69/3/31    COLBY,KANS          PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 40, 750
        TIME - 1130                    N4927Y              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 160 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH TEMPERATURE
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        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                                                      80
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
        REMARKS- T/O FROM ALFALFA FIELD. DENSITY ALT 4300 FT.
```

## Aircraft

- Registration: [N4927Y](https://openairdocs.org/deregistered/N4927Y-1991-08-16), registration cancelled 1991-08-16, S/N 254726 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-260](https://openairdocs.org/model/piper-pa-25-260) (registry code 7102508) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4927Y (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 MKC80FCD23](https://openairdocs.org/ntsb/MKC80FCD23), Jul 24, 1980: Piper PA-25 (N4927Y), Sprignville, IA, substantial damage
- [NTSB MKC74DCQ03](https://openairdocs.org/ntsb/MKC74DCQ03), Jul 27, 1973: Piper PA-25 (N4927Y), Grove, KS, 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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