Turbine helicopter

N57688

1970 Boeing HH-46E

Registered No accidents on file
Built
1970
Serial
157688
Class
Turbine helicopter
Engines
2 × Ge T58 series
Status
Current as of October 2026
Registered owner
Classic Rotors (Corporation)
Based
Ramona, CA
Registration record

N57688 on the FAA register

Type
1970 Boeing HH-46E
Serial
157688
Engines
2 × Ge T58 series
Registered owner
Classic Rotors
Ramona, CA
Certificate issued
2016-03-03
Airworthiness date
2020-11-19
Registration expires
2029-03-31
Airworthiness class
Experimental · exhibition
Mode S (hex)
A76844
Mode S (octal)
51664104
Seats (type)
25
Weight class
12,500–19,999 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-03-31
    Registration expires (renewal due).
  • 2020-11-19
    Airworthiness date on the current FAA record (experimental category (exhibition)).
  • 2016-03-03
    Certificate of registration issued as N57688.
  • 1970
    Manufactured (1970).
Overview

About N57688

N57688 is a 1970 Boeing HH-46E, serial number 157688. The FAA register lists Classic Rotors as the registrant in Ramona, California. The current certificate of registration was issued on March 3, 2016 and expires on March 31, 2029.

The FAA aircraft reference file describes the type as a turbine helicopter, two Ge T58 series engines and 25 seats. Its airworthiness certificate is experimental category (exhibition), dated November 19, 2020.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N57688.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N57688.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.