# NTSB IAD75FID01: Callair A-9B, N7791V, Temperancevl, VA, July 18, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 18, 1974
- Place: Temperancevl, VA · TEMPERANCEVL, VA
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 7, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 128156
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD75FID01
- Page: https://openairdocs.org/ntsb/IAD75FID01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1862  74/7/18    TEMPERANCEVL,VA     CALLAIR A-9B        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 1690
        TIME - 1615                    N7791V              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 140 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TEMPERANCEVL,VA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: STARTING SWATH RUN
           HARD LANDING                                             LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           POWERPLANT - FUEL SYSTEM: FUEL INJECTION SYSTEM
           POWERPLANT - FUEL SYSTEM: PUMPS
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   14                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - POTATOES                                  TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  39                  SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- ENG DRIVEN FUEL PUMP WORN.FUEL LINE FM PUMP TO FUEL CTL RESTRICTED DUE TO TWIST.
```

## Aircraft

- Registration: [N7791V](https://openairdocs.org/deregistered/N7791V-2013-05-09), registration cancelled 2013-05-09, S/N 1544, built 1971 (OpenAirDocs)
- Reported make and model: CALLAIR A-9B
- Registry model: [Aero Commander CALLAIR A-9B](https://openairdocs.org/model/aero-commander-callair-a-9b) (registry code 0144206) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (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 19740718020089A](https://openairdocs.org/incident/19740718020089A), Jul 18, 1974: Airpts A9B, Temperancevl, VA, Substantial damage. Eng driven fuel pump worn. Fuel line fm pump to fuel ctl restricted due to twist.

## Other investigations on N7791V (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 FTW02CA206](https://openairdocs.org/ntsb/FTW02CA206), Jul 13, 2002: Aero Commander Callair A-9B (N7791V), El Paso, TX, substantial damage. Probable cause: the loss of control due to the encounter with the dust devil.

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.