DEMO — fixture records served by the real engine. Not a real aircraft, directive, or operator.
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Aircraft Maintenance Records — N407DM
bell407 · serial DEMO-53001 · operating under Part 135 · inspection basis PART135_411a1
Times in service
| Counter | Value | As of | Provenance |
|---|
| HOURS | 3412.4 | 2026-08-28 | actual_since_new |
| LANDINGS | 8120 | 2026-08-28 | actual_since_new |
Times are derived from counter readings and accrued from flight logs by the server;
provenance travels with every value, and a flight can never establish a baseline.
Maintenance record entries — § 91.417(a)(2)
| Complied | Item / task | At counters | Signed |
|---|
| 2026-08-05 | demo-100hr-407 | HOURS 3320 |
DEMO IA IA DEMO-CERT-9 |
| 2025-07-26 | demo-ovh-407 | HOURS 2100 |
DEMO IA IA DEMO-CERT-9 |
Work orders and sign-offs
DEMO 100-hour package —
CLOSED
· HUNDRED_HOUR · run-up recorded
| Task | Performed | Independent inspection | 337 / labor |
|---|
| DEMO: main rotor hub retention torque check RII |
✓ DEMO Mech 1 (DEMO-CERT-1) |
✓ DEMO IA (DEMO-CERT-9) |
3.5h |
| DEMO: engine oil and filter change |
✓ DEMO Mech 2 (DEMO-CERT-2) |
n/a |
1h |
| DEMO: comm antenna doubler — major alteration MAJOR |
✓ DEMO Mech 1 (DEMO-CERT-1) |
n/a |
337 ✓ 2.5h |
Airworthiness directives
| Reference | Title | Status | Determined |
|---|
| No directives recorded against this tail. |
Open discrepancies and deferrals
| Item | State | Control |
|---|
| No open discrepancies or deferrals. |
Installed configuration and component tree
| STC / kind | Title | Weight & balance |
|---|
| DEMO-SR9001 | DEMO cargo hook installation |
41.2 lb @ 131.5 in RFM_SUPPLEMENT, DEMO RFMS-14 rev B § 6 |
| DEMO-SR9002 | DEMO wire strike protection — weight not yet entered (shows UNKNOWN, not zero) |
WEIGHT UNKNOWN not zero — no consumer may sum around this row |
| Component | Description |
|---|
| DEMO-250-C47B s/n DEMO-E-1121 | DEMO engine |
| DEMO-FCU-9 s/n DEMO-F-77 | DEMO fuel control unit |