AC 91-45C

Historical

Advisory circular · Waivers: Aviation Events

Approved
February 1, 1990
Last reviewed
October 24, 2024
This change
Canceled by Memo signed by Robert C. Carty for Rick Domingo (AFS-1) and Derek Honda (AFB-120); dated 11/03/2020.
Cancels
AC91-45B
Family
AC 91-45 · 1 version
Revision
C
14 CFR parts
61, 91, 103, 105

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 22, 2025.

Show pages 25–36
Page 37OCROpen in PDF

Appendix 1 Figure 1. Showline

SHOWLINE EXAMPLE

SHOWLINE USING

A RUNWAY AS THE

CENTERLINE

PRIMARY SECONDARY

SPECTATOR SPECTATOR

AREA AREA

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Appendix 1 Figure 2. Ingress

INGRESS 1 1,000°

AEROBATIC/FLY-BY AREA CONGESTED AREA 3

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Appendix 1 Figure 3. Egress EGRESS 1,000' | LOL

CONGESTED AREA AEROBATIC/FLY-BY AREA

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Appendix 1 Figure 4. Sample of FAA Form 8710-7, Statement of Aerobatic Competency U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL AVIATION ADMINISTRATION

STATEMENT OF ACROBATIC COMPETENCY PILOT FRONT Tommy Cartwright

TYPE CERTIFICATE/NUMBER Commercial 765438284

ISSUANCE DATE EXPIRATION DATE 10-30-89 10-31-90 GENERAL AVIATION EMALE PECTOR /iScal Kuell Donald R. Blackwell ASW-FSDO-1 FAA Form 8710-7 (5-78)

MANEUVER LIMITATIONS None

ALTITUDE LIMITATIONS AUTHORIZED AIRCRAFT Per BACK Waiver/FAR Pitts Special I understand that this statement of competency does not authorize deviation from FAR 91 except as defined by waiver thereto, or to the terms of Special Provisions contained in any waiver to FAR 91.

PILOT (Signare), Tommy Cartwiglet 5

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Appendix 1 Figure 5. Category I Showline - Optimum Layout

SHOWLINE

CATEGORY I AIRCRAFT 1,500' 1,500'

PRIMARY SECONDARY

SPECTATOR SPECTATOR

AREA AREA 3,000

SHOWLINE OPTIMUM LAYOUT - 1,500' FROM

THE PRIMARY AND SECONDARY

SPECTATOR AREAS

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Appendix 1 Figure 6. Categimary Speciate Mered Closer To

SHOWLINE

CATEGORY I AIRCRAFT

MINIMUM 1,200' 1,500'

PRIMARY SECONDARY

SPECTATOR SPECTATOR

AREA AREA 2,700'

MINIMUM DISTANCE

BETWEEN PRIMARY

AND SECONDARY

SPECTATOR AREAS

SHOWLINE

WHEN NECESSARY TO MOVE SHOWLINE TO 1,200' FROM

THE PRIMARY SPECTATOR AREA 7

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Appendix 1 Figure 7. Category I Showline - Moved Closer To Secondary Spectator Area

SHOWLINE

CATEGORY I AIRCRAFT 1,500' 1,200' PRIMARY • SECONDARY

SPECTATOR SPECTATOR

AREA AREA 2,700'

SHOWLINE

WHEN NECESSARY TO MOVE SHOWLINE TO 1,200' FROM

THE SECONDARY SPECTATOR AREA

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Appendix 1 Figure 8. Category II Showline

SHOWLINE

CATEGORY II AIRCRAFT 800' 1,000'

PRIMARY SECONDARY

SPECTATOR SPECTATOR

AREA AREA 1,800'

SHOWLINE

WHEN IT IS NECESSARY TO MOVE THE SHOWLINE TO 800' FROM

THE PRIMARY SPECTATOR AREA

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Appendix 1 Figure 9. Category III Showline

SHOWLINE

CATEGORY III AIRCRAFT 500' 500'

PRIMARY SECONDARY

SPECTATOR SPECTATOR

AREA AREA 1,000 г

SHOWLINE

MINIMUM SHOWLINE DISTANCE

FROM EITHER THE PRIMARY

OR SECONDARY SPECTATOR AREA 10

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Appendix 1 Figure 10. Aerobatic Maneuvers After Takeoff (I)

AEROBATICS BEING PERFORMED AFTER

TAKEOFF WHEN THE RUNWAY IS LESS THAN 500' FROM THE SPECTATOR AREA 300'

SPECTATOR AREA 11

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Appendix 1 Figure 11. Aerobatic Maneuvers After Takeoff (II)

AEROBATICS BEING PERFORMED AFTER

TAKEOFF WHEN THE RUNWAY IS LESS THAN 500' FROM THE SPECTATOR AREA

•

MINIMUM DISTANCE 200'

SPECTATOR AREA 12

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Appendix 1 Figure 12. Takeoff and Landing Area - Normal Landing Speed >100 Knots and "Flying Farmer" Acts

TAKEOFF AND LANDING AREAS WHEN

NORMAL LANDING SPEEDS EXCEEDS 100 KNOTS: ALSO FOR THE "FLYING FARMER" ACTS

MINIMUM DISTANCE 500'

SPECTATOR AREA 13