Single-engine piston

N78RB

Homebuilt Siple Model "A"

Registered 1 NTSB/FAA record
Built
—
Serial
MS1
Class
Single-engine piston
Engines
Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
Sign Maxx LLC (LLC)
Based
Larksville, PA
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Registration record

N78RB on the FAA register

Type
Homebuilt Siple Model "A"
Serial
MS1
Engines
Ama/Expr UNKNOWN ENG
Registered owner
Sign Maxx LLC
Larksville, PA
Certificate issued
2017-12-29
Airworthiness date
1985-11-06
Registration expires
2027-12-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
AA8FA6
Mode S (octal)
52507646
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-12-31
    Registration expires (renewal due).
  • 2017-12-29
    Certificate of registration issued as N78RB to the current registrant.
  • 2012-04-21
    Accident at Stuttgart, AR; damage: substantial.
  • 1992-12-10
    N78RB previously assigned to a Raven S55A (s/n S55A296); cancelled.
  • 1985-11-06
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N78RB

N78RB is a Homebuilt Siple Model "A", serial number MS1. The FAA register lists Sign Maxx LLC as the registrant in Larksville, Pennsylvania. The current certificate of registration was issued on December 29, 2017 and expires on December 31, 2027.

The FAA aircraft reference file describes the type as a single-engine piston, one Ama/Expr UNKNOWN ENG engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated November 6, 1985.

N78RB has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2012-04-21 Accident · Stuttgart, AR Damage: Substantial NTSB · CEN12LA259
Reported aircraft: Moody-Siple A
Probable cause: The pilot s inadequate fuel monitoring, which resulted in a total loss of engine power due to fuel exhaustion.

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

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Browse: Aircraft registered in Pennsylvania· Registry by state· FAA registry stats

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.