# NTSB FTW80DRG07: Boeing B75N1, N75939, Crystal City, TX, November 1, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 1, 1979
- Place: Crystal City, TX · CRYSTAL CITY, TX
- Location: 28.6907° N, 99.8271° W: Placed by OpenAirDocs: center of Crystal City, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.6907&lon=-99.8271&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 7, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 133444
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW80DRG07
- Page: https://openairdocs.org/ntsb/FTW80DRG07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2621   79/11/1   CRYSTAL CITY,TX     BOEING B75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1615                    N75939              PX-  0  0  0  AERIAL APPLICATION        AGE 50, 12000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 5000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CRYSTAL CITY,TX             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLEANUP SWATH
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 5000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - SPINACH                                   TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  620                 SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- CAM GEAR FAILED.
```

## Aircraft

- Registration: [N75939](https://openairdocs.org/aircraft/N75939), registered now, S/N 75-1266 (OpenAirDocs)
- Reported make and model: BOEING B75N1
- Registry model: [Boeing B75N1](https://openairdocs.org/model/boeing-b75n1) (registry code 1380144) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19791101029949A](https://openairdocs.org/incident/19791101029949A), Nov 1, 1979: Boeing B75N1, Crystal City, TX, Substantial damage. Forced landing due to failure of cam drive rivets.

## Other investigations on N75939 (1)

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 CHI97LA242](https://openairdocs.org/ntsb/CHI97LA242), Jul 30, 1997: Boeing B75N1 (N75939), Lone Rock, WI, substantial damage. Probable cause: a locked right brake which resulted in the pilot's inability to maintain direction control of the airplane during the landing roll.

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.