# NTSB MKC77FCG35: Cessna 421B, N6290Q, Springfield, MO, June 23, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 23, 1977
- Place: Springfield, MO · SPRINGFIELD, MO
- Location: 37.2153° N, 93.2982° W: Placed by OpenAirDocs: center of Springfield, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.2153&lon=-93.2982&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed, report October 28, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147337
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77FCG35
- Page: https://openairdocs.org/ntsb/MKC77FCG35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2834  77/6/23    SPRINGFIELD,MO      CESSNA 421B         CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1245                    N6290Q              PX-  0  0  5  AIR TAXI-PASSG            34, 4800 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SPRINGFIELD,MO
        DEPARTURE POINT             INTENDED DESTINATION
          SPRINGFIELD,MO              NORFOLK VA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
           POWERPLANT - EXHAUST SYSTEM: STACKS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- RIGHT ENGINE SLIP JOINT ASSEMBLY FAILED ALLOWINGHEAT TO MELT FUEL LINE.PART NUMBER 5155158-9
```

## Aircraft

- Registration: N6290Q (not matched to a registry record)
- Reported make and model: CESSNA 421B
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Springfield,Mo

## 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 19770623019559A](https://openairdocs.org/incident/19770623019559A), Jun 23, 1977: Cessna 421B, Springfield, MO, Substantial damage. Right engine slip joint assembly failed allowingheat to melt fuel line. Part number 5155158-9

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.