# NTSB ANC75AA045: Grumman G-21, N1583V, Missing Aircraft, December 11, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 11, 1974
- Place: Missing Aircraft · MISSING AIRCRAFT, UN
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Completed, report January 16, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 141156
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC75AA045
- Page: https://openairdocs.org/ntsb/ANC75AA045

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0035  74/12/11   MISSING AIRCRAFT    GRUMMAN G-21        CR-  1  0  0  SCHED DOM PASSG SRV       COMMERCIAL, AGE 20, 1494
        TIME - UNK/NR                  N1583V              PX-  4  0  0                            TOTAL HOURS, 137 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        OPERATOR - KODIAK AIRWAYS,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          OLD HARBOR,ALAS             KODIAK,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISSING AIRCRAFT,NOT RECOVERED                           UNKNOWN/NOT REPORTED
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- INJURY INDEX & ACFT DMG PRESUMED.
```

## Aircraft

- Registration: [N1583V](https://openairdocs.org/deregistered/N1583V-1975-05-06), registration cancelled 1975-05-06, S/N 1125, built 1953 (OpenAirDocs)
- Reported make and model: GRUMMAN G-21
- Registry model: [Grumman G-21A](https://openairdocs.org/model/grumman-g-21a) (registry code 3951204) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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