Piston helicopter

N51699

1977 Enstrom F-28C

Registered 2 NTSB/FAA records
Built
1977
Serial
416
Class
Piston helicopter
Engines
Lycoming HIO-360 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Pendleton, OR
Registration record

N51699 on the FAA register

Type
1977 Enstrom F-28C
Serial
416
Engines
Lycoming HIO-360 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Pendleton, OR
Certificate issued
2015-05-05
Airworthiness date
1977-12-23
Registration expires
2028-05-31
Airworthiness class
Standard · normal
Mode S (hex)
A67B6E
Mode S (octal)
51475556
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-05-31
    Registration expires (renewal due).
  • 2015-05-05
    Certificate of registration issued as N51699 to the current registrant.
  • 2003-07-20
    Accident at Waverly, IA; damage: substantial.
  • 1987-10-25
    Accident at Laconia, NH; damage: substantial.
  • 1977-12-23
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1953-08-04
    N51699 previously assigned to a Grumman G-21A (s/n 38-564A); cancelled.
  • 1947-10-06
    N51699 previously assigned to a Fairchild PT-26 (s/n 6433AE); cancelled.
Overview

About N51699

N51699 is a 1977 Enstrom F-28C, serial number 416. It is registered to an individual in Pendleton, Oregon. The current certificate of registration was issued on May 5, 2015 and expires on May 31, 2028.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming HIO-360 series engine and 3 seats. Its airworthiness certificate is standard category (normal), dated December 23, 1977.

N51699 has 2 accident/incident records on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2003-07-20 Accident · Waverly, IA Damage: Substantial NTSB · CHI03LA217
Reported aircraft: Enstrom F-28C
Probable cause: The main rotor blade push-pull rods being corroded, sustaining fatigue, and separating in cruise and the main rotor blade contacting the tail boom during the emergency landing. Factors were the diminished aircraft control and the vibrations encountered during flight after the rod separation.
1987-10-25 Accident · Laconia, NH Damage: Substantial NTSB · NYC88LA018
Reported aircraft: Enstrom F-28C

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.