# NTSB MKC77FCD35: Grumman G-164, N12LW, Boone, IA, July 15, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 15, 1977
- Place: Boone, IA · BOONE, IA
- Location: 42.0493° N, 93.8725° W: Placed by OpenAirDocs: center of Boone, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0493&lon=-93.8725&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 19, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146553
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77FCD35
- Page: https://openairdocs.org/ntsb/MKC77FCD35-146553

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1631  77/7/15    BOONE,IA            GRUMMAN G-164       CR-  0  1  0  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1400                    N12LW               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   38, 11400 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            2000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BOONE
        DEPARTURE POINT             INTENDED DESTINATION
          BOONE,IA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: LOW PASS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FAILED ON IMPACT                     GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
        REMARKS- FLEW PAST RESIDENCE AND STRUCK HIGHLINE WHILE RETURNING TO AIRPORT AFTER COMPLETING SPRAY RUN
```

## Aircraft

- Registration: [N12LW](https://openairdocs.org/deregistered/N12LW-1977-08-31), registration cancelled 1977-08-31, S/N 39, built 1960 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Boone

## 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 19770715018019A](https://openairdocs.org/incident/19770715018019A), Jul 15, 1977: Grumav G164, Boone, IA, Destroyed. Flew past residence and struck highline while returning to airport after completing spray run

## Other investigations on N12LW (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 MKC75FCD16](https://openairdocs.org/ntsb/MKC75FCD16), Sep 7, 1974: Grumman G-164 (N12LW), Alexander, IA, substantial damage
- [NTSB MKC74DCD34](https://openairdocs.org/ntsb/MKC74DCD34), May 25, 1974: Grumman G-164 (N12LW), Donnellson, 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.

---
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.